Class / Patent application number | Description | Number of patent applications / Date published |
525284000 | Ethylenic reactant contains a chalcogen heterocycle | 21 |
20080249252 | New permanent surface modifiers - The invention relates to novel compounds of the formula I, II; III or IV | 10-09-2008 |
20100249332 | BIODEGRADABLE POLYESTER COPOLYMERS - In accordance with embodiments provided herein, biodegradable filament suitable for use as fishing line and/or fishing net prepared from a polyester copolymer is provided. Embodiments of biodegradable filament is prepared from a polymer blend comprising from about 60% by weight to about 99.9% by weight of polybutylene succinate (PBS) and from about 0.1% by weight to about 40% by weight of a second polymer selected from the group consisting of polycaprolatone (PCL), polyglycolic acid (PGA), and polylactic acid (PLA). | 09-30-2010 |
20100317805 | POLYMERISABLE NAPHTHOPYRANE DERIVATIVES AND POLYMER MATERIALS OBTAINED FROM THESE DERIVATIVES - The invention relates to novel compounds of formula (I): | 12-16-2010 |
20110040042 | FUSED THIOPHENES, METHODS FOR MAKING FUSED THIOPHENES, AND USES THEREOF - Described herein are compositions including heterocyclic organic compounds such as fused thiophene compounds, methods for making them, and uses thereof. | 02-17-2011 |
20120123058 | METHANOFULLERENE DERIVATIVES AND PHOTOELECTRIC CONVERSION DEVICES USING SAME - The present invention provides a novel methanofullerene derivative applicable as an organic semiconductor material in electronics devices such as organic FETs and electroluminescence devices and solar cells, represented by formula (I) wherein the average value of | 05-17-2012 |
20130217832 | NOVEL COPOLYMER - An object of the present invention is to provide a novel copolymer useful as a pigment dispersing agent in the field of color liquid crystal displays and the like. A copolymer of the present invention contains a block chain (A) comprising at least one repeating unit selected from the group consisting of a repeating unit having a tertiary amino group and a repeating unit having a quaternary ammonium base; and a block chain (B) comprising a repeating unit represented by formula (I) (wherein R | 08-22-2013 |
20140206821 | Preparation of Conjugated Aromatic/Heteroaromatic Oligomer-Containing Dielectric Polymers and Their Applications - A π-conjugated aromatic/heteroaromatic oligomer-containing vinyl monomer is generally provided, which can include a polymerizable group, a linker group, and a π-conjugated aromatic/heteroaromatic side chain. The π-conjugated aromatic/heteroaromatic side chain includes a first cyclopentadiene ring covalently attached to the linder group, a set of second cyclopentadiene rings covalently attached to the first cyclopentadiene ring, and a third cyclopentadiene ring positioned at a terminal end of the π-conjugated aromatic/heteroaromatic side chain such that the set of second cyclopentadiene rings is positioned between the first cyclopentadiene ring and the third cyclopentadiene ring. Methods are also provided for forming a polymer via polymerizing the π-conjugated aromatic/heteroaromatic oligomer-containing vinyl monomer, and for grafting a π-conjugated aromatic/heteroaromatic oligomer-containing polymer onto a surface of a nanomaterial. | 07-24-2014 |
20140256884 | NOVEL COPOLYMER - A novel copolymer having excellent pigment dispersion performance, and more particularly, a novel copolymer usable as a pigment dispersing agent that can attain high luminance and high contrast of a green picture element in a color filter. The novel copolymer contains: a block chain (A) including a repeating unit having a tertiary amino group; and a block chain (B) including a repeating unit represented by the following formula (I) (wherein R | 09-11-2014 |
525285000 | Cyclic anhydride | 8 |
20080281050 | MALEATED HIGH ACID NUMBER HIGH MOLECULAR WEIGHT POLYPROPYLENE OF LOW COLOR - A process for the manufacture of maleated polypropylenes having an acid number greater than 6, a yellowness index color of no greater than 76, and a number average molecular weight of at least 20,000. The process for making the maleated polypropylenes includes forming a mixture of molten polypropylene and molten maleic anhydride in a reactor, introducing a free radical initiator into the molten mixture to produce a product having maleic anhydride grafted onto the polypropylene, and recovering a high acid number, high molecular weight maleated polypropylene of low color from the reactor. | 11-13-2008 |
20090247706 | Continuous extrusion process for producing grafted polymers - A continuous extrusion process for the functionalization of polymers through reactive extrusion. The process uses a continuous extrusion reactor comprising at least two sequential, very closely-coupled, independently driven screw extruders having a total effective length to diameter ratio greater than 60 to 1 and as high as 112 to 1 and providing greatly extended reaction times for efficiently producing a grafted polymer having a high level of functionalization. Drying of the polymer feed is performed in the continuous extrusion reactor. Multiple injections of reactants may be provided. Shear modification of the molecular weight of the grafted polymer is performed in the continuous extrusion reactor after the functionalization reactions. A continuous extrusion reactor and a grafted polymer having a high level of functionalization are also disclosed. | 10-01-2009 |
20120088885 | Device For Continuously Carrying Out Chemical Reactions At High Temperatures - The invention relates to a device for continuously carrying out chemical reactions. The device comprises a microwave generator, a microwave applicator accommodating a microwave-transparent tube, and an isothermal reaction section which is arranged such that the material to be reacted is guided inside the microwave-transparent tube through a microwave applicator which is used as the heating zone and in which it is heated to reaction temperature by means of microwaves that are emitted from the microwave generator into the microwave applicator. The material to be reacted, which is heated and optionally under pressure, is transferred from the microwave applicator to an isothermal reaction zone once it has left the heating zone, said reaction zone being arranged downstream of the heating zone, and is cooled once it has left the isothermal reaction zone. | 04-12-2012 |
20120245299 | Branched Vinyl Terminated Polymers And Methods For Production Thereof - This invention relates to a process for polymerization, comprising (i) contacting, at a temperature greater than 35° C., one or more monomers comprising ethylene and/or propylene, with a catalyst system comprising a metallocene catalyst compound and an activator, (ii) converting at least 50 mol % of the monomer to polyolefin; and (iii) obtaining a branched polyolefin having greater than 50% allyl chain ends, relative to total unsaturated chain ends. The invention also relates to the branched polyolefins and functionalized branched polyolefins. | 09-27-2012 |
20130005912 | High Melt Strength Polystyrene and Methods of Making Same - A method of making a styrenic composition having a high melt strength including combining a styrenic monomer and a second monomer to form a combined mixture and subjecting the combined mixture to polymerization to obtain a styrenic co-polymer, wherein the second monomer comprises a hydroxyl functional group and wherein the styrenic composition has a greater melt strength than that of general purpose polystyrene. | 01-03-2013 |
20130289216 | POLYMER FOR A GLASS IONOMER CEMENT - A process for producing a water-soluble, hydrolysis-stable, polymerizable polymer, comprising a) a step of copolymerizing a mixture comprising (i) a first copolymerizable monomer comprising at least one optionally protected carboxylic acid group and a first polymerizable organic moiety, and (ii) a second copolymerizable monomer comprising one or more optionally protected primary and/or secondary amino groups and a second polymerizable organic moiety, for obtaining an amino group containing copolymer; b) a step of coupling to the amino group containing copolymer a compound having a polymerizable moiety and a functional group reactive with an amino group of repeating units derived from the second copolymerizable monomer in the amino group containing copolymer obtained in the first step wherein the optionally protected amino group is deprotected, so that polymerizable pendant groups are linked to the backbone by hydrolysis-stable linking groups, and, optionally, a step of deprotecting the protected carboxylic acid group after step (a) or step (b), for obtaining a polymerizable polymer. | 10-31-2013 |
20140163174 | Rosin-Derived Cationic Compounds and Polymers - 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. | 06-12-2014 |
20160130382 | AMPHIPHILIC POLYMERIC MATERIAL - A amphiphilic polymeric material that includes a straight or branched chain carbon-carbon backbone and a multiplicity of side chains attached to the backbone, wherein the side chains have formula (I): | 05-12-2016 |
525286000 | Three-membered ring containing two carbon and one chalcogen atom | 5 |
20100120987 | ORGANIC FIBER-REINFORCED COMPOSITE RESIN COMPOSITION AND ORGANIC FIBER-REINFORCED COMPOSITE RESIN MOLDED ARTICLE - There are provided an organic fiber-reinforced composite resin composition which is good in fiber dispersion, excellent in appearance, excellent in mechanical properties such as tensile elongation at break or impact strength and easy in thermal recycle; and a molded article obtained therefrom. | 05-13-2010 |
20110046313 | RAPID DRYING LACQUERS CONTAINING TRIBLOCK COPOLYMER FOR RHEOLOGY CONTROL - This invention relates to rapid drying lacquers that are particularly useful for automotive OEM refinish applications. The lacquer includes a novel acrylic triblock copolymer as a replacement material for all or part of the cellulose acetate butyrate binder component. This invention is also directed to a process for producing coatings from the rapid drying lacquers. These lacquers are especially useful in providing chip and humidity resistant coatings, especially metallic effect coatings, having excellent adhesion and down flop or metallic effect. | 02-24-2011 |
20110118419 | Method for the Surface Post-Crosslinking of Water Absorbing Polymer Particles - A process for producing water-absorbing polymer particles, wherein the water-absorbing polymer particles are surface postcrosslinked with unsaturated fatty acids or derivatives thereof. | 05-19-2011 |
20110224378 | Heat-curing powder-lacquer compositions yielding a matte surface after curing of the coating, as well as a simple method for production of same - The invention relates to heat-curing powder-lacquer compositions exhibiting a matte surface after curing of the coating, as well as to a simple method for production of the same. | 09-15-2011 |
20150065659 | POLYMERIC STRUCTURE - The invention features a method of creating a polymer brush bearing covalently bound polymeric side chains, comprising the steps of: (a) deposition, onto a substrate, of a halogen containing initiator film or a precursor which is derivatized into a halogen containing initiator film; (b) surface ATRP growth, from the halogen containing initiator film formed in step (a), of a polymeric brush backbone incorporating side groups; (c) growth, from the polymeric brush backbone formed in step (b), of polymeric side chains on the polymeric brush backbone, to form a polymer brush in which the polymeric side chains constitute the bristles of the brush. | 03-05-2015 |