| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 525533000 | Mixed with carboxylic acid or derivative reactant or polymer therefrom | 12 |
| 20080306223 | Curing Agent for Epoxy Resins and Epoxy Resin Compositions - A curing agent for epoxy resins which comprises cyclohexanetricarboxylic acid anhydride (A) comprising trans,trans-1,2,4-cyclohexanetricarboxylic acid 1,2-anhydride expressed by formula (1) and aliphatic dicarboxylic acid anhydride (B) and an epoxy resin composition which comprises the curing agent and an epoxy resin are provided. The curing agent of the present invention can be handled easily since the curing agent is liquid at the ordinary temperature, exhibits an excellent curing property without addition of a curing accelerator and provides a cured product of an epoxy resin exhibiting excellent transmission of light and heat stability. The epoxy resin composition can be advantageously used for coating materials, adhesives, molded products, resins for encapsulating photo-semiconductors and coating fluids for protective films of color filters constituting liquid crystal display devices (LCD), solid state imaging devices (CCD) and electroluminescence (EL) devices. | 12-11-2008 |
| 20090005519 | Supramolecular Polymers - The invention concerns novel cytosine based modules and in particular their application in linear multiple hydrogen bonded arrays to form supramolecular polymers of the formula (II): and the use of these in supramolecular materials. | 01-01-2009 |
| 20100022719 | CURABLE ALKOXYCARBONYLAMINO COMPOSITIONS, COATINGS, AND METHODS - A compound, oligomer, or polymer having a functional group of formula (I) | 01-28-2010 |
| 20100292415 | HIGH TG EPOXY SYSTEMS FOR COMPOSITE APPLICATIONS - A thermoset resin, including the reaction product of: an epoxy resin mixture including at least one cycloaliphatic epoxy resins; a cycloaliphatic anhydride hardener; and a catalyst; wherein the reaction product has a glass transition temperature greater than or equal to 210° C. Also disclosed is a process for forming a thermoset resin, including: admixing two or more epoxy resins and a cycloaliphatic anhydride hardener to form a curable composition, wherein the epoxy resins include at least one cycloaliphatic epoxy resin; thermally curing the curable composition at a temperature of at least 150° C. to result in a thermoset resin having a glass transition temperature of at least 210° C. Such curable compositions may include: 35 to 65 weight percent of an epoxy resin mixture having at least one cycloaliphatic epoxy resins; 35 to 65 weight percent of a cycloaliphatic anhydride hardener; and from greater than 0 to 10 weight percent of a catalyst. | 11-18-2010 |
| 20110040046 | ADDUCTS OF EPOXY RESINS AND PROCESS FOR PREPARING THE SAME - An adduct comprises at least one reaction product of (i) an epoxy resin material (A) and (ii) a reactive compound (B). The epoxy resin material (A) comprises a cis, trans-1,3- and -1,4-cyclohexanedimethylether moiety and the reactive compound (B) comprises a compound having two or more reactive hydrogen atoms per molecule, wherein the reactive hydrogen atoms are reactive with epoxide groups. A curable epoxy resin composition comprises the adduct described above. A cured epoxy resin is prepared by a process of curing the curable epoxy resin composition. | 02-17-2011 |
| 20110130525 | NOVEL CURING AGENTS AND PROCESS FOR THEIR MANUFACTURE - Compounds having the formula (I) wherein L is a linking group, at least one of R | 06-02-2011 |
| 20120004377 | CLATHRATE, CURING AGENT, CURE ACCELERATOR, EPOXY RESIN COMPOSITION, AND EPOXY RESIN COMPOSITION FOR ENCAPSULATION OF SEMICONDUCTOR - It is an object of the present invention to provide a clathrate that suppresses a curing reaction at low temperature to promote an improvement in storage stability (one-component stability), and can effectively cure a resin by heating treatment. A clathrate suitable for the clathrate is a clathrate containing (b1) at least one selected from the group consisting of an aliphatic polyvalent carboxylic acid, 5-nitroisophthalic acid, 5-tert-butylisophthalic acid, 5-hydroxyisophthalic acid, isophthalic acid, and benzophenone-4,4′-dicarboxylic acid; and (b2) at least one selected from the group consisting of an imidazole compound represented by the following formula (I), and 1,8-diazabicyclo[5.4.0]undecene-7, at a molar ratio of 1:1. | 01-05-2012 |
| 20120046425 | POLYMERIC GLYCIDYL ETHERS REACTIVE DILUENTS - A thermosettable resin composition including (a) at least one thermosetting resin; (b) at least one polymeric glycidyl reactive diluent; and (c) a hardener; a process for producing the thermosettable resin composition; a cured product comprising the cured thermosettable composition; and a process for producing the cured resin thermoset product including (I) admixing (a) at least one thermosetting resin; (b) at least one polymeric glycidyl reactive diluent; and (c) a hardener; and (II) curing the mixture of step (I). | 02-23-2012 |
| 20130059988 | REMENDABLE INTERFACES FOR POLYMER COMPOSITES - Functionalized polymer matrix and/or reinforcement materials that are capable of a thermoreversible Diels-Alder reaction are useful for making composite materials. Also disclosed is a composite material which includes one or both of functionalized reinforcement materials and functionalized polymer matrix materials, as well as a method for repairing a composite material including the step of thermally treating the composite material at a temperature sufficient to react a functionality on one of the reinforcement material and the polymer matrix material with another functionality via a Diels-Alder reaction. A method of making a composite material including functionalizing one or both of a reinforcing material and a polymer matrix material with a first reactive group, providing a second reactive group capable of undergoing a Diels-Alder reaction with the first reactive group and reacting the first and second reactive groups to form a composite material, is also described. | 03-07-2013 |
| 20140350196 | MERCAPTO-CONTAINING BISANHYDROHEXITOL DERIVATIVES AND USES THEREOF - Bisanhydrohexitol derivatives having terminal mercapto groups are provided. Additionally, curable compositions that include these mercapto-containing bisanhydrohexitol derivatives, cured compositions prepared from the curable compositions, and articles containing the cured compositions are provided. More specifically, the curable compositions are epoxy-based formulations and the mercapto-containing bisanhydrohexitol derivatives function as curing agents for epoxy resins. | 11-27-2014 |
| 20140357813 | EPOXY ELASTOMER COMPOSITIONS - An epoxy terminated prepolymer formed as a reaction product of a cycloaliphatic epoxide resin and an amine terminated polymeric polyol, and a catalyst that promotes the reaction of the cycloaliphatic epoxide resin and the aminated polyol. The epoxy terminated prepolymer and an anhydride hardener react to form an epoxy elastomer composition having a microphase separated morphology of hard particles, formed with the anhydride hardener reacted with the epoxy terminated prepolymer, dispersed in a soft continuous phase formed from polymeric polyol in the epoxy terminated prepolymer. | 12-04-2014 |
| 20150141588 | CURABLE COMPOSITIONS THAT INCLUDE HYDRAZIDE FUNCTIONAL MATERIALS - The present invention relates to curable compositions that include a hydrazide functional material (a) represented by the following Formula (I), | 05-21-2015 |
