| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 528087000 | From 1,2-epoxy-containing phenolic reactant or with 1,2-epoxy-containing reactant | 31 |
| 20100105856 | EPOXY RESIN COMPOSITIONS AND PROCESS FOR PREPARING THEM - The preparation of epoxy resin compositions which comprise glycidyl ethers comprising cyclohexyl groups and have a low oligomer content is carried out by distillation of compositions which are obtainable by ring hydrogenation of compounds of the general formula (I) | 04-29-2010 |
| 20090286951 | LOW-CORROSION EPOXY RESINS AND PRODUCTION METHODS THEREFOR - The invention relates to epoxy resins having an extremely low content of chlorine, particularly a low content of organically bound chlorine. The invention also relates to a production method during which total chlorine contents of less than 100 ppm in the epoxy resin are achieved by extracting solid epoxy resin particles, optionally after a prior comminution and/or reprecipitation. The use of these low-chlorine epoxy resins in the fields of electronics and/or electrical engineering considerably reduces the components' susceptibility to corrosion. | 11-19-2009 |
| 20100056747 | EPOXY RESIN COMPOSITION AND CURED ARTICLE THEREOF, NOVEL EPOXY RESIN AND PRODUCTION METHOD THEREOF, AND NOVEL PHENOL RESIN - The present invention relates to a composition containing as a main component, an epoxy resin which has a structure comprising a polyaryleneoxy structure such as polynaphthylene oxide as a main skeleton, (methyl)glycidyloxy group and aralkyl group being introduced on an aromatic ring of the polyaryleneoxy structure, and which has low viscosity, according to the present invention, there can be provided an epoxy resin composition which can impart remarkably excellent flame retardancy and dielectric characteristics to a cured article and a cured article thereof, an epoxy resin, a phenol resin as an intermediate of the epoxy resin, and a method for producing the epoxy resin. | 03-04-2010 |
| 20120149863 | ISOSORBIDE - CONTAINING POLYCARBONATES AND THEIR PREPARATION - Provided herein are isosorbide-based bisphenol polymer structural units and methods of making the same. These structural units may be polymerized with one or more other types of structural units to form polymers, such as polycarbonates. | 06-14-2012 |
| 20120172568 | SUBSTANCES FOR USE AS BISPHENOL A SUBSTITUTES - Bis-Phenol A (BPA) can now be replaced in industrial processes by BPA substitutes. The BPA substitutes can have structures that are derivatives of BPA. The BPA substitutes can be used in preparing epoxy composition, polycarbonate compositions, and polysulfonate compositions or for other uses in place of BPA. | 07-05-2012 |
| 20100168368 | Epoxy Resin, Method for Producing Same and Epoxy Resin Composition Thereof - An epoxy resin represented by general formula (I), which satisfies numerical formula (1) mentioned below and comprises hydrolytic halogen of 0.05 wt. % or less, said epoxy resin being produced by the procedure as follows: after dissolving 0.8 to 1.3 mole of epihalohydrin to 1 mole of divalent phenol in a solvent, a pre-reaction is performed over 30 to 70 minutes by adding dropwise 0.25-0.35 mole of 30˜50% aqueous solution of alkali metal hydroxide over 30 to 70 minutes thereto, and thereafter, 0.65-0.75 mole of the remaining 30˜50% aqueous solution of alkali metal hydroxide is added dropwise over about 1 hour to complete the reaction over 1 to 3 hours. | 07-01-2010 |
| 528088000 | Polymerizing in the presence of a specified material other than reactant | 12 |
| 20090018303 | Process for Producing Low-Molecular Polyphenylene Ether - A process for producing a low-molecular polyphenylene ether having a content of components with molecular weights of 20,000 or more of 10 mass % or less and a number average molecular weight of 4,000 or less by a redistribution reaction which involves reacting a raw polyphenylene ether having a number average molecular weight of 10,000 or more with a polyphenol compound and a radical initiator, characterized in that the redistribution reaction step is a step conducted in a solvent; the ratio of the raw polyphenylene ether to the solvent (raw polyphenylene ether:solvent) (mass ratio) is provided at 0.4:100 to 40:100 (mass ratio); and the ratio of the radical initiator to the solvent (radical initiator:solvent) (mass ratio) is provided at 0.5:100 to 5:100 (mass ratio). | 01-15-2009 |
| 528089000 | Material contains a phosphorus atom | 1 |
| 20110172384 | PHOSPHORUS-CONTAINING EPOXY RESIN AND METHOD FOR SYNTHESIZING THE SAME - A phosphorus-containing epoxy resin and a method for synthesizing the same are disclosed. The method includes the step of catalytically reacting compound (i) with compound (ii) to synthesize the phosphorus-containing epoxy resin having the structure of compound (I). R is methyl or phenyl, and n is the integer from 1 to 9. | 07-14-2011 |
| 528092000 | Material contains a polyvalent metal atom | 1 |
| 20100087618 | Linear (meth)acryloyl-containing compound, star (meth) acryloyl- containing compound, and method of manufacture - A linear (meth)acryloyl-containing compound is offered, including a chemical compound having a structure in which structural units expressed by the following general formula (1) | 04-08-2010 |
| 528093000 | Material contains a nitrogen compound | 6 |
| 20130079488 | Semicarbazones as Accelerators for Curing Epoxy Resins - The present invention describes the use in epoxy resin compositions of semicarbazones of the general formula (I) having the meanings stated for the residues R | 03-28-2013 |
| 20110288259 | PROCESS FOR PRODUCTION OF THERMOPLASTIC CURED EPOXY RESIN WITH TRANSPARENCY TO VISIBLE LIGHT, AND THERMOPLASTIC EPOXY RESIN COMPOSITION - A process for the production of a thermoplastic cured epoxy resin which is transparent to visible light, characterized by curing (A) an epoxy compound having two epoxy groups in one molecule with (B) a compound having two phenolic hydroxyl groups in one molecule by means of (C) a cure accelerator consisting of at least one compound represented by general formula (1): | 11-24-2011 |
| 20120123082 | ONE LIQUID TYPE CYANATE ESTER-EPOXY COMPOSITE RESIN COMPOSITION - The present invention discloses one liquid type cyanate ester-epoxy composite resin composition comprised of (A) cyanate ester resin, (B) epoxy resin and (C) latent curing agent. The present one liquid type cyanate ester-epoxy composite resin composition is characterized in that the above (C) latent curing agent is comprised of a modified amine (a), which has one or more amino group having active hydrogen within a molecule, obtained by a reaction of a polyamine compound (a-1) with an epoxy compound (a-2), and a phenol resin (b), and that the above polyamine compound (a-1) is a polyether polyamine compound and/or the above epoxy compound (a-2) is a polyether polyepoxy compound. | 05-17-2012 |
| 528094000 | Nitrogen material contains a nitrogen atom as part of a heterocyclic ring | 3 |
| 20130090450 | ACCELERATORS FOR POLYMERIZATION OF EPOXY RESINS - Embodiments of the present invention disclose accelerator compositions useful in the curing of an epoxy resins having at least one amine and a glycerin. | 04-11-2013 |
| 20100179299 | CATALYST FOR CURING EPOXIDES - The use of 1,3-substituted imidazolium salts of the formula I | 07-15-2010 |
| 20120232240 | ANTHRACENE DERIVATIVE, COMPOUND OBTAINED THEREFROM, COMPOSITION,CURED PRODUCT, AND PROCESS FOR PRODUCING SAME - An object of the invention is to provide an anthracene derivative having characteristics peculiar to anthracene such as e.g., high carbon density, high melting point, high refractive index and fluorescent properties for ultraviolet rays, etc., and reaction diversity that results from the bisphenol structure, and a process for producing the same. Disclosed is an anthracene derivative represented by the following general formula (1): | 09-13-2012 |
| 528095000 | Material contains a Group IA metal atom (Li, Na, K, Rb, Cs, Fr) | 3 |
| 20130079489 | RECIPROCATING-PLATE COLUMN REACTOR FOR EPOXIDATION OF EPOXY RESINS - A process comprising: a) contacting a polyhydric phenol and an epihalohydrin in the presence of a catalyst under reaction conditions to form an organic feed comprising a bishalohydrin ether and a solvent; b) contacting the organic feed and an aqueous feed comprising an inorganic hydroxide in a reciprocating-plate column reactor under reaction conditions to form a dispersed aqueous phase and an organic product; and c) collecting the organic product comprising an epoxy resin, is disclosed. | 03-28-2013 |
| 20090036631 | Aromatic Ether Polymer, Method For Producing The Same, And Polymer Composition - Disclosed is a polymer which is useful for the preparation of an epoxy resin composition or a cured product thereof in film or sheet exhibiting high heat resistance, high thermal conductivity, low thermal expansion, high gas barrier property, and high toughness. The polymer is a thermoplastic aromatic ether polymer comprising a unit represented by the following general formula (1) at a ratio of 10 to 100 mol % and having a weight average molecular weight of 3,000 or more; | 02-05-2009 |
| 20120101246 | Epoxy Resin, Method for Producing Same and Epoxy Resin Composition Thereof - An epoxy resin represented by general formula (I) satisfying numerical formula (1) with hydrolytic halogen of 0.05 wt. % or less, said epoxy resin produced as follows: after dissolving 0.8 to 1.3 mole of epihalohydrin to 1 mole of divalent phenol in a solvent, a pre-reaction is performed over 30 to 70 minutes by adding dropwise 0.25-0.35 mole of 30˜50% aqueous solution of alkali metal hydroxide over 30 to 70 minutes thereto, and thereafter, 0.65-0.75 mole of the remaining 30˜50% aqueous solution of alkali metal hydroxide is added dropwise over about 1 hour to complete the reaction over 1 to 3 hours. | 04-26-2012 |
| 528096000 | Phenolic reactant contains a heterocyclic group other than a 1,2-epoxy group per se | 1 |
| 20090253887 | EPOXY RESIN CURING COMPOSITION - An epoxy resin curing composition containing a compound having a benzoxazole structure represented by formula (I): | 10-08-2009 |
| 528097000 | Phenolic reactant contains a fused-or bridged-ring other than as a 1,2 epoxy group fused to carbocyclic or aromatic ring | 1 |
| 20120197000 | HIGH REFRACTIVE POLYMERS, OPTICAL ELEMENTS, AND PHOTOELECTRIC DEVICE EMPLOYING THE SAME - High refractive polymers, optical elements, and optical elements employing the same are provided. The polymer includes a repeat unit represented by Formula (I): | 08-02-2012 |
| 528098000 | Phenolic reactant contains at least three distinct aromatic or carbocyclic rings or mixtures thereof | 2 |
| 20080262188 | SHAPE MEMORY EPOXY POLYMERS - One embodiment includes compositions of shape memory epoxy polymers. | 10-23-2008 |
| 20090099330 | ADAMANTYL GROUP-CONTAINING EPOXY-MODIFIED (METH)ACRYLATE AND RESIN COMPOSITION CONTAINING THE SAME - The present invention provides an adamantyl group containing epoxy-modified (meth)acrylate and a resin composition containing it which are imparted by transparency, optical characteristics such as (durable) light resistance and the like, heat-resistance, and good mechanical properties. | 04-16-2009 |
| 528099000 | Phenolic reactant contains at least one nitrogen, phosphorus, or sulfur atom | 2 |
| 20080312404 | Novel diepoxides and epoxy resins - The present invention relates to novel diepoxides having the formulas I. and II. | 12-18-2008 |
| 20120309923 | SOLVENTLESS ONE LIQUID TYPE CYANATE ESTER-EPOXY COMPOSITE RESIN COMPOSITION - The present invention is a solventless one liquid type cyanate ester-epoxy composite resin composition comprised of (A) a multifunctional cyanate ester or a mixture thereof represented by the following formula (1), wherein an average cyanate group number is 2.5 or more, (B) a multifunctional liquid epoxy resin or a mixture thereof represented by the following formula (2), wherein an average epoxy group number is 2.5 or more and (C) an amine latent curing agent. | 12-06-2012 |
| 528103000 | Two or more 1,2-epoxy reactants | 1 |
| 528103500 | 1,2-epoxy reactant having at least one carboxylic ester group, e.g., epoxidized linseed oil, etc. | 1 |
| 20090131622 | Method For Producing Branched-Polyether Resin Composition And Method For Producing Acid Pendant Branched-Polyether Resin Composition - A method for producing a branched-polyether resin composition of the present invention includes
| 05-21-2009 |
| 528105000 | Phenolic reactant contains only one, 1,2-epoxy group | 1 |
| 20080200636 | Epoxy Resin, Hardenable Resin Composition Containing the Same and Use Thereof - It is an object of the present invention, with respect to a phenol aralkyl type epoxy resin, to suppress any crystal precipitation, improve the quality manageability and operation efficiency at composition production and enhance the properties, including heat resistance, thereof. It is also intended to provide a resin composition that even when stored in the form of a varnish for a prolonged period of time, is resistant to crystal precipitation, excelling in storage stability and operation efficiency, and that gives a hardening product of low dielectric constant and low dielectric tangent excelling in heat resistance, water resistance and flame retardance. | 08-21-2008 |
| 528106000 | With at least one nonepoxy or nonphenolic reactant | 5 |
| 20090048422 | RESIN COMPOSITION FOR COMPOSITE MATERIAL PARTS - A resin composition for composite material parts includes a main agent composed of an epoxy resin and a reactive diluent, and a curing agent. The reactive diluent, which is monomer or oligomer of acrylate or methacrylate having one or more vinyl (unsaturated double bond) functional groups and has low viscosity at room temperature, is used in an amount of 5 to 30 parts by weight based on 100 parts by weight of the main agent such that the main agent has a viscosity of 700 to 3000 cps at 25° C. The resin composition of the present invention is very suitable for being used to manufacture composite material parts used in wind blade, boat, automobile and aircraft by the manufacturing process such as vacuum infusion and hand lay-up vacuum assisted resin infusion process. | 02-19-2009 |
| 528108000 | Non-1,2-epoxy, or nonphenolic reactant is a phosphorus-containing material | 1 |
| 20130123457 | Low-k, Flame-Retardant, Bi-Functional Benzoxazine and Method for Making the Same - Disclosed is a method for making a low-k, flame-retardant, bi-functional benzoxazine. The method includes the steps of dissolving phosphoric diamine with various functional groups, phenolic adamantane and paraformaldehyde in a solvent at 72° C. to 88° C. for 7 to 9 hours, and cooling and introducing the solution in n-hexane to separate the low-k, flame-retardant, phosphoric, bi-functional benzoxazine. | 05-16-2013 |
| 528109000 | Non-1,2-epoxy, or nonphenolic reactant is a sulfur-containing material | 2 |
| 20120130040 | Polymer Compositions and Methods of Making and Using Same - A composition comprising a reaction product of reactants comprising (a) a compound comprising (i) a polysulfide moiety and (ii) an oxygen atom in a β-position to a sulfur link having the formula: | 05-24-2012 |
| 20110152492 | Polymer Compositions and Methods of Making and Using Same - A composition comprising a reaction product of reactants comprising (a) a compound comprising (i) a polysulfide moiety and (ii) an oxygen atom in a β-position to a sulfur link having the formula: | 06-23-2011 |
| 528110000 | Non-1,2-epoxy, or nonphenolic reactant is an alcohol, inorganic alcoholate, or ether | 1 |
| 20110130537 | PRODUCTION OF SOLID EPOXY RESIN - In an improved process for preparation of glycidyl ether resins that are solid at room temperature, sometimes referred to as solid epoxy resins”, from a reaction mixture of an aromatic hydroxyl-containing compound, an epihalohydrin and an inorganic hydroxide, add a reaction solvent that has both a ether moiety ad an alcohol moiety to the reaction mixture and use mole-equivalent ratio of moles (one mole-equivalent) epihalohydrin to hydroxyl moieties of the aromatic hydroxyl-containing compound that falls within a range of from 0.5:1 to 1:1. | 06-02-2011 |
