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Solid polymer derived from at least one carboxylic acid or derivative

Subclass of:

525 - Synthetic resins or natural rubbers -- part of the class 520 series



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Class / Patent application numberDescriptionNumber of patent applications / Date published
525419000 Solid polymer derived from at least one lactam; from an amino carboxylic acid or derivative; or from a polycarboxylic acid or derivative 225
525450000 Solid polymer derived from hydroxy-containing carboxylic acid or derivative reactant 64
525451000 Solid polymer derived from carboxylic acid or derivative derived from ethylenically unsaturated reactant 29
20090198021ELASTOMER MOLDING FOR ENDOSCOPE - The invention provides a flexible tube for an endoscope, which is excellent in elasticity (impact resilience), has suitable flexibility and also has chemical resistance. Disclosed is a flexible tube for an endoscope including a flexible-tube material covered thereon with a jacket, wherein the jacket contains two or more thermoplastic polyester elastomers crosslinked therein.08-06-2009
20110196108Gel Point Modification In Alkyd Resin Manufacture - Disclosed herein is a metastable, liquid alkyd resin precursor that has exceeded its gel point, but is not a gel. The precursor includes a gel point modifier and a prepolymer liquid. The prepolymer liquid includes oligomeric polyesters, polyols, and an excipient selected from the group consisting of polyfunctional acids, anhydrides, and mixtures thereof. Also disclosed herein are methods of making the metastable, liquid alkyd resin precursor, and methods of using the metastable, liquid alkyd resin precursor to form fully cross-linked alkyd resins.08-11-2011
20100048829IONIC LIQUIDS FOR SOLUBILIZING POLYMERS - The present invention relates to a liquid composition which comprises at least one polymer and at least one ionic liquid, the cations of which are derived from polycyclic amidine bases, and a process for isolating cellulose from cellulose-containing sources using at least one such ionic liquid.02-25-2010
20090253871BIODERIVED PLASTICIZER FOR BIOPOLYMERS - A bioderived plasticizer for biopolymers includes a compatibilizing unit and a polyester plasticizing unit. The plasticizer improves the flexibility of biopolymers while not adversely affecting their modulus. The compatibilizing unit renders the plasticizer more miscible with the desired base biopolymer and includes a lower alkyl (C10-08-2009
20130079473PROCESS FOR PRODUCING POLYOL DISPERSIONS - The present invention relates to polyol dispersions comprising at least one polyol and at least one polymer particle mixture comprising at least one thermoplastic polymer (P) and at least one block copolymer (B), wherein the block copolymer (B) has at least one block which is compatible with the thermoplastic polymer (P) and at least one block which is compatible with the polyol, a process for producing such polyol dispersions, their use for producing polyurethanes and a process for producing polyurethanes.03-28-2013
20100099828Clear Binary Blends of Aliphatic Polyesters and Aliphatic-Aromatic Polyesters - This invention relates to a polymer blend comprising: 04-22-2010
20130137835Preparation of Polyphosphazene Microspheres - Methods of producing polyphosphazene microspheres comprising admixing aqueous solutions of a water-soluble polyphosphazene and an organic amine, or salt thereof, are disclosed.05-30-2013
20090124762Methods and systems for the selective formation of thiourethane bonds and compounds formed therefrom - The present techniques relate to thiourethane compositions formed by reacting a reactive composition containing active molecules having an average of at least one thiol group per active molecule and an average of at least one hydroxyl group per active molecule with a monomer composition containing monomer molecules having an average of at least two isocyanate groups per monomer molecule. The reactions are performed in the presence of an amine catalyst, which may preferentially react thiol groups over hydroxyl groups, thus forming a thiourethane composition having, on average, more hydroxyl groups than thiol groups and more thiourethane groups than urethane groups, on a normalized basis.05-14-2009
20090306307Curable Organosilicon Composition - A curable organosilicon composition includes a radical curable organosilicon compound, an organoborane amine complex, a condensation curable organosilicon compound, a condensation cure catalyst, and a condensation-reactive cross-linking compound. The curable organosilicon composition may further include an amine-reactive compound. A method of forming the curable organosilicon composition introduces the organoborane-amine complex and the amine-reactive compound into separate reaction vessels. The curable organosilicon composition is used to form various articles.12-10-2009
20090012241Hydrolytically stable maleimide-terminated polymers - The present invention is directed to hydrolytically stabilized maleimide-functionalized water soluble polymers and to methods for making and utilizing such polymers and their precursors.01-08-2009
20100311917METHODS FOR MAKING MULTI-BRANCHED POLYMERS - A method for making a multi-branched polymer includes reacting a first polymeric unit with a functional cyclic compound to form a functional macroinitiator compound with a cyclic moiety. The functional macroinitiator compound is reacted with an amine functional compound to open the cyclic moiety and form a first functional group and a second functional group. To form the branched polymer, at least one of a second polymeric unit is propagated from the first functional group and a third polymeric unit is propagated from the second functional group.12-09-2010
20100292413CELLULOSE RESIN COMPOSITION AND CELLULOSE RESIN FILM - Provided are a cellulose resin composition and cellulose resin film which prevent the deterioration in the retainability and have a superior moisture permeability.11-18-2010
20080300369Eye Lens Material and Method of Manufacturing Thereof - The present invention is a method of manufacturing an eye lens material having a process in which a phosphorylcholine group-containing chemical compound represented by the following formula (1) is reacted and covalently bonded to the surface of an eye lens material having hydroxyl groups wherein the chemical compound represented by the following formula (2) is reacted and covalently bonded through ester-bonding to the eye lens material in an organic solvent.12-04-2008
20090036613Polyester staple fiber (PSF) /filament yarn (POY and PFY) for textile applications - A blended two component polymer system comprising Polytrimethylene Terephthalate (PPT) and a CoPolyester of Polyethylene Terephthalate (CoPET) with a PTT:CoPET composition ranging between 95:5 and 5:95 which is melt spun with circular and tera lobal cross section spinnerettes for staple fiber and partially oriented yarn (POY) and the properties are compared with 100% PET polymer as well as 100% PTT polymer whose tetra channel fiber properties are superior when compared to the fibers produced from homopolymers as well as the bicomponent fibers, particularly their moisture wicking characteristics and increased dyeability.02-05-2009
20100184923EPOXY RESIN COMPOSITION - An epoxy resin composition comprising, containing a solid epoxy resin (A) whose aromatic ring containing ratio is 5-40% obtained by reacting a polyester compound (b) possessing 1.2-1.8 of carboxylic group with a divalent epoxy resin (a) whose epoxy equivalent is 120-350 g/eq and a crosslinking agent (B) as essential components, and since a cured product obtained by curing said composition is superior in heat resistance, humid resistance and cracking resistance, said composition is useful in a field of electron material such as photo semi conductor sealing material, in particular useful for LED sealing.07-22-2010
20110301304Method and apparatus for producing polycondensation polymer and molded article thereof - A method for producing a polycondensation polymer, which comprises: introducing a prepolymer of a polycondensation polymer into a polymerization reactor through a feed opening in a molten state; discharging the introduced prepolymer through holes of a perforated plate; and then polycondensing the prepolymer under reduced pressure, while allowing the prepolymer to fall along a support, wherein the perforated plate has two or more areas and polycondensation is performed by introducing a prepolymer and/or a polymer modifier into each of the areas and discharging the introduced prepolymer and/or polymer modifier through holes of each of the areas.12-08-2011
20110288242ADHESIVE POLYURETHANE POWDER CAPABLE OF BEING ACTIVATED BY HEAT - A heat-activable powder adhesive composition for use in bonding a component to a surface such as glass is disclosed. The composition of the disclosed invention includes at least two polymers, at least one solid di- or poly-isocyanate in powder form, and a catalyst. The two polymers each have a melting point above 40° C. and are selected from the group consisting of di-functional polymers and multi-functional polymers. The preferred method of preparing the composition of the disclosed invention includes first forming three parts, including a first melted part comprising the polymers, a second melted part comprising the polymers and a catalyst, and a third part comprising the isocyanate. Once cooled, each of the first and second parts forms solid blocks which are fragmented and sieved. The three dry parts are then brought together to form the adhesive powder of the disclosed invention. The adhesive powder can be pre-applied to the attachment surface of a component to be bonded. The composition does not require either a deactivating agent or a blocking agent for deactivating the isocyanate or the catalyst nor does it require either a deactivated isocyanate or a deactivated catalyst.11-24-2011
20100144979PHOSPHINE-BASED POLYMERS AND POLY(LACTIC ACID) MATERIAL COMPRISING THE SAME - A phosphine-based polymer having Formula (I) is provided.06-10-2010
20100048830Conductive Polymer Films Grafted on Organic Substrates - One aspect of the invention relates to a linker-free, one-step method of grafting polymer films onto organic substrates, and the films obtained by such a method. In certain embodiments, the grafted polymer films are conductive. In certain embodiments, said grafting method utilizes the ability for Friedel-Crafts catalyst to form radical cations from organic substrates. In one embodiment, the method provides poly-3,4-ethylenedioxythiophene (PEDOT) thin films grafted to organic substrates. In other embodiments, the method is applicable to the polymerization of other monomers to yield conducting polymers, such as polyanilines, polypyrroles, polyfurans, polythiophenes and their derivatives. Remarkably, the polymer films grafted by the inventive methods show enormous increases in adhesion strength. Further, in certain embodiments, polymer patterns were easily obtained using the inventive methods and soft lithography techniques. In certain embodiments, well-defined high-density line-and-space patterns were successfully obtained. In certain embodiments, e.g., when the polymer film is conducting, the obtained conducting polymer pattern grafted on common organic substrates can be used for integrated circuitry in flexible electronics.02-25-2010
20090137748POLYLACTIC ACID-MODIFIED POLYCARBODIIMIDE COMPOUND AND POLYLACTIC ACID RESIN COMPOSITION AND MOLDED ARTICLE COMPRISING THE SAME - The present invention relates to a polylactic acid-modified polycarbodiimide compound which imparts hydrolysis resistance by formulation with a polylactic acid resin and also thereby improves mechanical property. The present invention also relates to a polylactic acid resin composition and a molded article comprising the same.05-28-2009
20090171037POLYESTER DERIVED FROM BIOMASS RESOURCES AND METHOD FOR PRODUCTION THEREOF - The present invention provides a resin capable of contributing greatly to solve environmental problems and problems related to exhaustion of fossil fuel resources and having physical properties suited for practical use.07-02-2009
20100113710POLYESTER RESIN COMPOSITION - To provide a polyester resin composition having a high crystallization rate and excellent moldability.05-06-2010
20090318627SOLID PHASE SYNTHESIS OF ACRIDINIUM DERIVATIVES - Acridinium-functionalized solid-phase supports and methods for making acridinium-functionalized solid-phase supports are disclosed. The acridinium-functionalized solid-phase supports comprise a solid phase support linked to a chemiluminescent substituted acridinium compound through a linker group covalently attached to the nitrogen atom of the acridinium nucleus and the solid phase support as exemplified in FIG. 12-24-2009
20100081771METHOD OF PREPARING LITHOGRAPHIC PRINTING PLATE - A method for preparing a lithographic printing plate includes treating a lithographic printing plate precursor including a hydrophilic support and an image-forming layer containing the following (i) to (iii) with an aqueous solution having a buffering ability: (i) a binder polymer comprising a repeating unit having a structure represented by the following formula (1); (ii) an ethylenically unsaturated compound; and (iii) a polymerization initiator,04-01-2010
20100280185HIGHLY-BRANCHED MELAMINE POLYMERS - A process for preparing highly branched melamine polymers, wherein melamine is reacted with 1.5 to 4 mol, per mole of melamine, of one or more diamines or polyamines having at least two primary amino groups, it being possible for up to 25 mol % of the diamines or polyamines to have three or more primary amino groups and for up to 50 mol % of the diamines or polyamines to be replaced by amines having only one primary amino group, in the presence of an acidic catalyst.11-04-2010
20080207842Stabilized Fumed Silica Suspensions For Reinforcement of Reactive Resins - Suspensions having good flow properties are produced by including a particulate thickener containing chemically or physically bound polymer.08-28-2008
20090275707PROCESS FOR PREPARING HALOGEN-FREE ATRP PRODUCTS - The present invention relates to the in situ removal of terminal halogen atoms from polymer chains which have been prepared by means of atom transfer radical polymerization, and to the simultaneous removal of transition metals from polymer solutions.11-05-2009
20090281250METHODS AND MATERIALS FOR FABRICATING MICROFLUIDIC DEVICES - Materials and Methods are provided for fabricating microfluidic devices. The materials include low surface energy fluoropolymer compositions having multiple cure functional groups. The materials can include multiple photocurable and/or thermal-curable functional groups such that laminate devices can be fabricated. The materials also substantially do not swell in the presence of hydrocarbon solvents.11-12-2009
20090299015Crosslinked Organic-Inorganic Hybrid Membranes and Their Use in Gas Separation - The present invention is for crosslinked membranes and in particular for crosslinked poly(ethylene oxide)-cellulose acetate-silsesquioxane (PEO-CA-Si) organic-inorganic hybrid membranes and their use in gas separation. These crosslinked PEO-CA-Si membranes were prepared by in-situ sol-gel co-condensation of crosslinkable PEO-organotrialkoxysilane and CA-organotrialkoxysilane polymers in the presence of acetic acid catalyst during the formation of membranes. The crosslinkable PEO- and CA-organotrialkoxysilane polymers were synthesized via the reaction between the hydroxyl groups on PEO (or on CA) and the isocyanate on organotrialkoxysilane to form urethane linkages under mild conditions. The crosslinked PEO-CA-Si membranes exhibited both increased selectivity of CO12-03-2009
20080207843Method To Manufacture A Compartmentalized Pellet Directly From A Reactor - This specification discloses how to make a compartmentalized pellet from a reactor by not reducing the temperature of the reacted product to below its glass transition temperature.08-28-2008
20110269914POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL, AND METHOD FOR PRODUCING OPTICAL MATERIAL - A polymerizable composition for an optical material containing tolylene diisocyanate, an aliphatic polyisocyanate having 4 to 8 carbon atoms, one or more polythiols selected from pentaerythritol tetrakismercaptoacetate and pentaerythritol tetrakismercaptopropionate and an active hydrogen compound containing two or more active hydrogen groups, is provided.11-03-2011
20090062481ADAMANTANE DERIVATIVE, COMPOSITION COMPRISING THE DERIVATIVE, AND OPTICAL AND ELECTRONIC MEMBER USING THE COMPOSITION - To provide an adamantane derivative, a compound having an adamantane skeleton, compositions containing them that can provide a cured product having excellent optical properties such as transparency and light resistance, long-term heat resistance and electric characteristics such as dielectric permittivity, and optical electronic members using the compositions.03-05-2009
20090163673Laminating adhesive - A two-component bonding agent composition. The composition contains: (a) an isocyanate component comprising a difunctional isocyanate-terminated prepolymer having polymerized residues of at least one difunctional aromatic isocyanate and at least one difunctional polymer of ethylene oxide, propylene oxide or a combination thereof; (b) a polyol component comprising a triglyceride having hydroxyl functional groups; and (c) an adhesion promoter.06-25-2009
20090326164PROCESS FOR THE PREPARATION OF A HYDROXY-AROMATIC RESIN: HYDROXY-AROMATIC RESIN, AND MODIFICATION THEREOF - The invention relates to a hydroxy-aromatic resin, prepared by bringing together and reacting a hydroxy-aromatic compound and glyoxylic acid,12-31-2009
20090054600PROCESS FOR IMPROVING THE HYDROLYSIS RESISTANCE OF A URETHANE ELASTOMER - This invention concerns a process for improving the hydrolysis resistance of urethane elastomers, a polyester polyol for implementing this process, the urethane elastomer obtained by this process, and its use.02-26-2009
20090203851Process for the Preparation of a Hydroxy-Aromatic Resin: Hydroxy-Aromatic Resin, and Modification Thereof - The invention relates to a hydroxy-aromatic resin prepared by bringing together and letting react a hydroxy-aromatic compound of formula (I) and an alkanol hemiacetal compound of formula (II).08-13-2009
20080262166Sterically hindered poly (ethyleneglycol) alkanoic acids and derivatives thereof - The invention provides a sterically hindered polymer that comprises a water-soluble and non-peptidic polymer backbone having at least one terminus covalently bonded to an alkanoic acid or alkanoic acid derivative, wherein the carbon adjacent to the carbonyl group of the acid or acid derivative group has an alkyl or aryl group pendent thereto. The steric effects of the alkyl or aryl group allow greater control of the hydrolytic stability of polymer derivatives. The polymer backbone may be poly(ethylene glycol).10-23-2008
20080262165PAINT CONSERVATION-RESTORATION COMPOSITION AND METHOD - Oligomeric or polymeric hindered amine light stabilisers compounds are used to modify the rheology of solvents, resin compositions and paints, particularly those used for art conservation and restoration, by forming a lyotropic liquid crystal phase, the rheology of which can be modified by varying the amount of hindered amine as well as the solvent or the resin itself. The hindered amine compounds are preferably those containing a piperidine ring with one or two alkyl substituents on either side of the ring nitrogen.10-23-2008
20090203852POLYLACTIC ACID RESIN COMPOSITION AND MOLDED ARTICLE THEREOF - An object of the present invention is to provide a resin composition having improved heat resistance (high crystallinity) and transparency without impairing rigidity which a polylactic acid resin inherently has, and a molded article composed of the resin composition. A polylactic acid resin composition of the present invention contains 100 parts by weight of a polylactic acid compound (A) having a specific moiety represented by the formula (1): -X08-13-2009
20100222521POLYESTER TONER COMPOSITIONS - An emulsion aggregation polyester toner including a polyester resin having modified end groups, wherein the polyester resin includes at least one carboxylic end group. A process of making the toner by oxidation of a polyester resin including reacting the polyester with a hypohalite and a phase transfer catalyst results in a polyester resin endcapped with at least one acidic group. Stable xerographic charging in all ambient environments for all colors, and excellent resistivity and cohesion of the toner, may be achieved.09-02-2010
20080275192PRODUCTION OF POLYMERS FROM WASTE COOKING OIL - An alkyd resin formed by reacting waste cooking oil, one or more aromatic polycarboxylic acids, aliphatic polycarboxylic acids, or esterified polymerization products, and one or more polyols.11-06-2008
20100227983Manufacture of medical implants - The invention pertains to a process for the manufacture cola medical implant, said process comprising: 09-09-2010
20100093947ADAMANTANE DERIVATIVE, METHOD FOR PRODUCING THE SAME, RESIN COMPOSITION CONTAINING THE ADAMANTANE DERIVATIVE AND USE THEREOF - Provided are: an adamantane derivative represented by the following general formula (I) giving a cured product excellent in optical characteristics such as transparency and light resistance, durabilities such as heat resistance, and electrical characteristics such as dielectric constant; a method of producing the adamantane derivative; a resin composition containing the adamantane derivative and an epoxy resin curing agent; and a sealing agent for an optical semiconductor using the resin composition:04-15-2010
20110130523RESIN PARTICLE AND METHOD FOR PRODUCING THE SAME - There is provided a method for producing a resin particle capable of unprecedentedly realizing both excellent heat resistant keeping property and melting property. The present invention is a method for producing a resin particle (X) comprising the step of treating a resin particle (B) containing a resin (A) composed of a crystalline part (a) containing, as an essential constitutional component, a lactone ring-opening polymer (p), and a noncrystalline part (b), with liquid or supercritical carbon dioxide (C), and removing (C), wherein a heat of fusion measured by differential scanning calorimetry (DSC) of the obtained (X) satisfies the following relational formula (1):06-02-2011
20080207841Storage-Stable Accelerator Solution - Accelerator solution suitable for forming a redox system with peroxides and having a high storage stability, consisting essentially of (a) more than 1.0 wt % of one or more reducing agents, at least one of them being selected from ascorbic acid and sodium formaldehyde sulphoxylate, (b) one or more metal salts, at least one of them being selected from the group consisting of transition metal salts, lithium salts, and magnesium salts, (c) one or more organic oxygen-containing solvents, (d) optionally one or more stabilisers, and (e) optionally water.08-28-2008
20090069505CURABLE COMPOSITION - An object is to provide a curable composition having a good curability by use of an organotin-free catalyst, and the object is solved by a curable composition, comprising: (A) a polymer having a silicon group which can be crosslinked through formation of a siloxane bond, (B) fluorosilanes represented by general formula (1): R03-12-2009
20110112260COMPOSITION COMPRISING A BLEND OF RESINS - A composition comprising a blend of phenol-formaldehyde resin and a phenol-glyoxylate resin wherein the blend has a pH of from 7 to 10. The resins may be used as binder adhesives for mineral wool insulation or in foundry applications.05-12-2011
20100004405Organic compound and process for inhibiting corrosion on metals - A process for inhibiting corrosion on metals comprises providing a metal surface to be protected and applying to said surface a protective organic compound, the said organic compound being formed by reacting an alcohol phosphate ester, multi-esters below C16 chain length, any petroleum solvent and/or its derivative, any fatty amines and/or its block polymer and a coupling agent, standard additives for colour and odour maintenance and the said process being carried out at a temperature between 30 deg C. and 180 deg C. and obtaining a homogenous and biodegradable mass to form an organic compound to reduce corrosion and reduce metal loss.01-07-2010
20110105696Resin System With Carbon Additive - The gel time of a grouting system may be controlled by providing a resin component separated by a catalyst component, where a carbon component is included in the catalyst component. The catalyst component may include an inhibitor such as a phenolic compound, and/or the resin component may include a promoter such as an aniline compound.05-05-2011
20110077362Branched Polymers - The present invention is directed to branched reactive water-soluble polymers comprising at least two polymer arms, such as poly(ethylene glycol), attached to a central aliphatic hydrocarbon core molecule through ether linkages. The branched polymers bear at least one functional group for reacting with a biologically active agent to form a biologically active conjugate. The functional group of the branched polymer can be directly attached to the aliphatic hydrocarbon core or via an intervening linkage, such as a heteroatom, -alkylene-, —O-alkylene-O—, -alkylene-O-alkylene-, -aryl-O—, —O-aryl-, (—O-alkylene-)03-31-2011
20090018276Polysiloxanes with anti-fouling activity - Anti-fouling materials may include one or more of a number of suitable copolymers (e.g., block copolymers, graft copolymers, etc.) which provide biocidal and/or fouling release characteristics. The copolymers may include a polysiloxane backbone with one or more polymers grafted onto the polysiloxane backbone.01-15-2009
20110009570Preparation of polyphosphazene microspheres - Methods of producing polyphosphazene microspheres comprising admixing aqueous solutions of a water-soluble polyphosphazene and an organic amine, or salt thereof, are disclosed.01-13-2011
20090118439Personal care fixative - The present invention is directed to bimodal polymer compositions and personal care fixatives containing bimodal polymer compositions. The present invention includes a bimodal polymer composition having a first polymer with anionic character and a second polymer with cationic character and wherein the polymers form an interpenetrating polymer network. In one embodiment, the present invention also includes personal care fixatives (e.g., health care, hygiene or cosmetic compositions) containing the bimodal polymer composition. The present invention also includes methods for forming bimodal polymer compositions.05-07-2009
20080255318Organosilicone compositions and methods for preparing them - Disclosed herein is a composition comprising a structure (M10-16-2008
20120302704COPOLYMER COMPOSED OF A POLYPHENYLENE AND A FLEXIBLE CHAIN COMPONENT - A copolymer is described which is prepared by reacting a polyphenylene having two terminal coupling groups X11-29-2012
20100144978METHOD OF MAKING POLYGLYCEROL ESTERS - Polyglycerol carboxylic acid esters are made by reaction of a, typically C06-10-2010
20100305278NITRILE GROUP-CONTAINING HIGHLY SATURATED COPOLYMER RUBBER - A nitrile group-containing highly saturated copolymer rubber having an iodine value of 80 or less and containing a caprate in 0.01 to 0.4 wt %. Preferably, the caprate is an alkaline earth metal caprate or Group XIII metal caprate. According to present invention, it is possible to provide a nitrile group-containing highly saturated copolymer rubber improved in mold fouling resistance while maintaining good normal state physical properties and heat resistance when being made into a cross-linked product.12-02-2010
20090176942FLUOROETHERCARBOXYLIC ACID AND PRODUCTION METHOD THEREOF, SURFACTANT, METHOD OF PRODUCING FLUOROPOLYMER AND AQUEOUS DISPERSION USED THEREOF - The invention provides a fluoroethercarboxylic acid which is represented by the general formula (I):07-09-2009
20110190455POLYDIALKYLSILOXANE-BRIDGED BI-PHOTOCHROMIC MOLECULES - A bi-photochromic molecule comprises two photochromic moieties linked via a polydialkylsiloxane oligomer. An ophthalmic lens comprises the bi-photochromic molecule. A polymeric host material comprises the bi-photochromic molecule.08-04-2011
20090149608Polycarbamides, polycarbamates, and polycarbamide-formaldehyde and polycarbamate-formaldehyde condensation resins - The present invention provides manufacturing of and the use of novel polycarbamates and polycarbamides and their condensation reaction products formed by reacting with formaldehyde as wood composite binder resins and in other applications. These resins have thermosetting capabilities and usefulness as binders for wood and other materials with superior resin properties of low cost, colorlessness, exceptionally good binding, and fast curing characteristics, as well as very low formaldehyde emissions. The newly-designed and synthesized novel starting materials for the thermosetting resins of the present invention are diethylene tricarbamide and various polycarbamates derived from corresponding polyols.06-11-2009
20120232225SYNTHESIS AND ISOLATION OF DENDRIMER SYSTEMS - The present invention relates to novel methods of synthesis and isolation of dendrimer systems. In particular, the present invention is directed to novel dendrimer conjugates with defined and limited numbers of ligand conjugates and high levels of structural uniformity, methods of synthesizing the same, compositions comprising the conjugates, as well systems and methods utilizing the conjugates (e.g., in diagnostic and/or therapeutic settings (e.g., for the delivery of therapeutics, imaging, and/or targeting agents (e.g., in disease (e.g., cancer) diagnosis and/or therapy, pain therapy, etc.)).09-13-2012
20110112259POLYMERIC COUPLING AGENTS AND PHARMACEUTICALLY-ACTIVE POLYMERS MADE THEREFROM - A pharmaceutically-active polymeric compound of the general formula (I),05-12-2011
20090118438Anhydrous dispersion of polyurethane (meth) acrylate particles in a reactive diluent - Disclosed are anhydrous transparent dispersions of polyurethane(meth)acrylate particles in a reactive diluent, which can be obtained by reacting a polyisocyanate with at least one polyol and a nucleophilically functionalized (meth)acrylic acid ester in the reactive diluent. The inventive dispersions are characterized in that the polyurethane(meth)acrylate particles have an average diameter of less than 40 nm. The invention further relates to a method for producing such dispersions, the use thereof as an adhesive, cast glass, or impact resistance modifier, and a molded article made from said dispersion.05-07-2009
20100204413UNSATURATED POLYESTER RESIN COMPOSITIONS CONTAINING 2,2,2,4-TETRAMETHYL-1,3-CYCLOBUTANEDIOL AND ARTICLES MADE THEREFROM - Disclosed are unsaturated polyester resins comprising residues of 1,2-propanediol, 2,2,4,4-tetramethyl-1,3-cyclobutanediol, an aliphatic, cycloaliphatic, or aromatic diacid, and 2-butenedioic acid. Also disclosed are curable compositions containing admixtures of the unsaturated polyesters and aromatic vinyl compounds copolymerizable with the unsaturated polyesters, and coatings and casted and molded articles obtained from the curable compositions. The curable compositions are useful for coatings and and casted and molded articles that have at least one surface that is persistently exposed to organic or aqueous liquids.08-12-2010
20090054599THERMOPLASTIC ELASTOMER COMPOSITION - A thermoplastic elastomer composition containing (i) a thermoplastic resin, (ii) an elastomer component discontinuously dispersed in the thermoplastic resin and (iii) a molecular chain extender, wherein the dispersed state of the particles of the elastomer component dispersed in the matrix of the thermoplastic elastomer composition is stabilized.02-26-2009
20120046422Multi-Arm Block Copolymers as Drug Delivery Vehicles - The invention provides methods for making copolymers and multi-arm block copolymers useful as drug delivery vehicles. The multi-arm block copolymers comprise a central core molecule, such as a residue of a polyol, and at least three copolymer arms covalently attached to the central core molecule, each copolymer arm comprising an inner hydrophobic polymer segment covalently attached to the central core molecule and an outer hydrophilic polymer segment covalently attached to the hydrophobic polymer segment, wherein the central core molecule and the hydrophobic polymer segment define a hydrophobic core region. The solubility of hydrophobic biologically active agents can be improved by entrapment within the hydrophobic core region of the block copolymer. The invention further includes pharmaceutical compositions including such block copolymers, pharmaceutical compositions, and methods of using the block copolymers as drug delivery vehicles.02-23-2012
20110071261TRANSPARENT ARTICLES PREPARED FROM THERMOPLASTIC COMPOSITIONS HAVING LOW BIREFRINGENCE - An optical grade article comprises a thermoplastic composition comprising a poly(aliphatic ester)-polycarbonate copolymer comprising 10 to 25 wt % of a soft block ester unit derived from a C03-24-2011
20120123062Process for preparing carbodiimides - A method for producing compounds comprising at least one carbodiimide group is described, by reacting at least one isocyanate-containing starting compound or a derivative thereof, wherein the method is conducted in at least two stages.05-17-2012
20120172538MODIFIED POLYAMIDE, PREPARATION METHOD THEREOF AND ARTICLE OBTAINED FROM SAID POLYAMIDE - A polyamide modified by a compound including a sulfonate group, as well as a method for preparing the polyamide and to articles obtained from said modified polyamide are described. A modified polyamide obtained from a mono-functional aromatic sulfonate compound is also described.07-05-2012
20120214950Rosin-Derived Cationic Compounds and Polymers Along with Their Methods of Preparation - Methods for forming rosin-derived cationic compounds are provided. The method can include attaching a cationic group to a conjugated diene on a hydrophenathrene-based ring of a resin acid (e.g., levopimaric acid, abietic acid, dehydroabietic acid, or a mixture thereof) to form a rosin-derived cationic compound. Attaching the cationic group to the conjugated diene on the hydrophenathrene-based ring of the resin acid can be achieved via a Diels-Alder reaction of a dienophile with the hydrophenathrene-based ring of the resin acid. Rosin-derived cationic compounds are also provided. The rosin-derived cationic compound can include a cationic group attached to a conjugated diene on a hydrophenathrene-based ring of a resin acid, wherein the rosin-derived cationic compound further comprises a carboxylic acid group.08-23-2012
20120214951PREPARATION OF POLYPHOSPHAZENE MICROSPHERES - Methods of producing polyphosphazene microspheres comprising admixing aqueous solutions of a water-soluble polyphosphazene and an organic amine, or salt thereof, are disclosed.08-23-2012
20100273953FUNCTIONALIZED POLYARYL ETHERS - Branched polyaryl ether copolymers which are made up of the building blocks of the general formulae I and II10-28-2010
20120083578SYSTEM AND METHOD FOR MANUFACTURING HEAT-ACTIVABLE ADHESIVE PELLETS - A method and an apparatus are provided for the production of heat-activable adhesive pellets which can be formed into elements for holding an article to a surface such as a glass surface. The apparatus and method for the manufacture of the heat-activable pellets includes the steps of introducing at least a first component comprising at least one difunctional polymer with at least one Multifunctional polymer into an extruder, heating the first component, introducing a second component comprising isocyanate and a powder flow enhancer (such as fumed silica) at a point downstream of the introduction of the first component, combining the first and second components in the extruder to form a flowable compound, pelletizing the extruded compound exiting the extruder by cutting to form heat-activable adhesive pellets, and drying the pellets. In one embodiment of the disclosed invention a catalyst is applied to the pellets to form catalyst-coated heat-activable adhesive pellets. In another embodiment of the disclosed invention a catalyst is added into the extruder to form catalyst-containing heat-activable adhesive pellets.04-05-2012
20110003943Supported Oxidation Reactants, Process for their Preparation and Uses Thereof - The present invention relates to a supported oxidation reactant of formula (I): R-[Met(O)01-06-2011
20120271007LOW TEMPERATURE THERMOPLASTIC MATERIAL AND PREPARING METHOD THEREOF - A low temperature thermoplastic material is provided. The components include in weight parts: polyurethane with a melting point of 50-70° C. 90-10 parts, poly(ε-caprolactone) 0-90 parts and cross linking co-agent 0.1-6 parts. Compared with the prior poly(ε-caprolactone) low temperature thermoplastic material, the present low temperature thermoplastic material has a smaller shrinking force and a better fastening intensity, is more comfortable and can be stretched more uniformly after moulding. Therefore, the material is suitable for hospital and other radiotherapy institution and can be used compatibly with three-dimensional conformal radiotherapy equipments in tumor surgery.10-25-2012
20090131598Organic-Inorganic Hybrid Vitreous Material - There is provided an organic-inorganic hybrid vitreous material comprising a composite of a polycondensate of an organoalkoxysilane represented by R05-21-2009
20100168344POLYESTER BASED BLEND AND PACKAGING ARTICLE MADE THEREFROM - A polyester based blend includes: a polyester to be formed into a polymer matrix for a packaging article when the polyester based blend is melted and extruded; an oxidative catalyst to be dispersed in the polymer matrix; and an additive of an aldehyde that is to be dispersed in the polymer matrix, that is catalytically reactive with oxygen at room temperature in the presence of the oxidative catalyst, and that has a melting point greater than room temperature. A packaging article made from the melt-extruded polyester based blend is also disclosed.07-01-2010
20120329957AROMATIC DIAMINE COMPOUND AND AROMATIC DINITRO COMPOUND - A novel aromatic diamine compound obtained by introducing aromatic amino groups into both terminals of a specific bifunctional phenylene ether oligomer and a novel aromatic dinitro compound obtained by introducing aromatic nitro groups into both terminals of a specific bifunctional phenylene ether oligomer, these compounds being used as raw materials for obtaining high molecular weight materials having high heat resistance, a low dielectric constant, a low dielectric loss tangent and a low water absorption coefficient.12-27-2012
20120289662Polyester Powder Compositions, Methods and Articles - Powder compositions and articles and methods of forming articles from powder compositions are provided. In one embodiment the powder compositions include at least one polyester polymer powder and an amount of reinforcing particles having an aspect ratio of preferably at least about 5:1. In another embodiment the powder compositions include at least one medium-high melting temperature, aromatic and crystalline polyester polymer powder. In a preferred embodiment, the powder composition is capable of being formed, via a laser sintering process, into a three-dimensional article that exhibits one or more desirable mechanical properties in an elevated temperature environment.11-15-2012
20100130700POLYESTERCARBONATE COPOLYMERS WITH HIGH SCRATCH RESISTANCE - Disclosed are polyestercarbonate copolymers comprising a carbonate unit of Formula (I), an ITR ester unit of Formula (V), and optionally a different carbonate unit of Formula (VI):05-27-2010
20080249256Method for Producing Polymerized Coordination Compounds of Platinum Complex - There is provided a production method in which bis(nitrato)platinum complex, optionally in the concurrent presence of dihalo-platinum complex, and poly(ethylene glycol)-block-poly(glutamic acid) are used at specific ratios and reacted. Coordination compound of an anti-tumor platinum complex with a block copolymer having carboxyl groups on its side chains is efficiently produced.10-09-2008
20080242805BLEND OF IONIC (CO)POLYMER RESINS AND MATRIX (CO)POLYMERS - The invention relates to polymeric resin blends containing polyelectrolyte resins blended into a polymer or copolymer matrix. Specifically, the polyelectrolyte resins are (co)polymers without hydrolyzable groups. The matrix polymer is a tough, and highly chemical-resistant (co)polymer, preferably a fluoropolymer. The polymeric resin blend is useful for forming films, and especially films useful for MEAs for use in fuel cells.10-02-2008
20080234440High-Performance Poly(Aryl Ether Sulfone) Composition - Polymer composition (C) containing 09-25-2008
20080234439Resin particles and producing method thereof, toner for developing electrostatic latent image and producing method thereof, electrostatic latent image developer as well as image forming method - A resin particle producing method that includes at least an emulsification step of emulsifying a composition containing at least a polymerizable monomer and a polymerization step to form droplets of the composition, and a polymerization step of polymerizing the polymerizable monomer in the droplets to synthesize resin particles, wherein the composition contains a polyester resin, lactone, and a lactone catalyst for polymerizing the lactone.09-25-2008
20130178590ADVANCED EPOXY RESIN COMPOSITIONS - An epoxy resin composition of the following chemical structure (I), where n is a number from 1 to about 3000; each m independently has a value of 0 or 1; each R0 is independently —H or —CH07-11-2013
20080221277Water-Absorbing Polymer Structure with Improved Absorption Properties - A water-absorbing polymer structure is disclosed, whose surface has been brought into contact with a combination of a metal salt and an oxide of a metal. The invention also relates to a process for treating the surface of water-absorbing polymer structures whereby the surface of water-absorbing polymer structures is brought into contact with a combination of a metal salt and an oxide of a metal at a temperature of from about 50 to about 300° C. The present invention further relates to the water-absorbing polymer structures obtainable by this process, a composite comprising a water-absorbing polymer structure and a substrate, chemical products such as foams and fibers comprising water-absorbing polymer structures or a composite, and the use of a combination of an oxide of a metal and of a metal salt for treatment of the surface of super-absorbing polymer structures.09-11-2008
20080200618Copolymer coordination compound comprising heterogeneous complexes and gel using the same - Disclosed is a copolymer coordination compound including two or more kinds of complexes, and a method of preparing the same. Herein, each of the complexes includes an organic ligand and a metal ion, and the two or more kinds of complexes are arranged in a line in a regular or irregular order, and are coordinated to each other. Also, the disclosed copolymer coordination compound functions as a gelator in a solvent, and is formed into a gel.08-21-2008
20100292412Process for production of molded polyester resin article, crystallization inducer for use in the process, master batch, and molded polyester resin article - This invention provides a process for producing a crystallized polyester resin molding. The process includes melting and injecting the below-described first or second compound (a) or (b) into a mold and holding the same in the mold, and then conducting cooling to crystallize a polyester resin of a resulting molding without using an inorganic nucleating agent: (a) a first compound of a crystallization-inducing crosslinked polyester resin, in at least a portion of which crosslinked points have been formed with a crosslink forming agent, and a first non-crosslinked polyester resin; or (b) a second compound of a crystallization-inducing master batch, which comprises the crosslinked polyester resin and a second non-crosslinked polyester resin and abundantly contains the crosslinked polyester resin, and the first non-crosslinked polyester resin. According to the present invention, a crystallized polyester resin molding free from impairment of translucency or transparency can be produced without using an inorganic nucleating agent that would produce haze in the molding.11-18-2010
20100298504AMPHIPHILIC POLYMER AND PROCESSES OF FORMING THE SAME - Disclosed are an amphiphilic polymer, its synthesis and uses thereof. The polymer has a hydrocarbon backbone with —COOH side groups. It further has first aliphatic moieties with a main chain of about 3 to about 20 carbon atoms and 0 to about 3 heteroatoms, and second aliphatic moieties that have a main chain of about 3 to about 80 carbon atoms and about 2 to about 40 heteroatoms. The second aliphatic moieties have a copolymerisable group. In the synthesis a maleic anhydride polymer of formula (I) where n is an integer from about 10 to about 10000 and R1 is H or methyl, is reacted with a monofunctional compound with an alkyl chain of about 3 to about 20 carbon atoms and 0 to about 2 heteroatoms, and with an at least bifunctional compound with an alkyl chain of about 3 to about 80 carbon atoms and 0 to about 40 heteroatoms. The functional group of the monofunctional compound and one functional group of the at least bifunctional compound can form a linkage with an anhydride. Another functional group of the at least bifunctional compound, which is not allowed to react with the maleic anhydride polymer, is copolymerisable.11-25-2010

Patent applications in class Solid polymer derived from at least one carboxylic acid or derivative

Patent applications in all subclasses Solid polymer derived from at least one carboxylic acid or derivative