| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 528068000 | With organic compound reactant containing at least two NH, HNH or =NH groups and wherein the reactant composition is devoid of -C-XH, -C(=X)XH or anhydride | 23 |
| 20080262187 | Blends of Diamines Having Reduced Color - This invention provides a blend which comprises (i) at least one aromatic primary diamine, with which has been blended a color-minimizing amount of at least one N,N-dmydrocarbylhydroxylamine, wherein the aromatic primary diamine is in the form of one benzene ring having two primary amino groups on the ling, which amino groups are meta or para relative to each other, and in which each position ortho to a primary amino group bears an alkyl group, and (ii) at least one aromatic secondary diamine having a Gardner color number no more than about 7, wherein said aromatic secondary diamine either is in the form of one benzene ring having two secondary amino groups on the ring, or is in the form of two benzene rings connected by an alkylene bridge and having one secondary amino group on each ring. Optionally, at least one N,N-dihydrocarbylhydroxylamine has been blended with the aromatic secondary diamine. | 10-23-2008 |
| 20090198035 | POLYETHER POLYAMINE AGENTS AND MIXTURES THEREOF - Provided herein are polyamine precursors useful in the manufacture of epoxy resins. Use of a polyamine precursor according to the invention provides an epoxy resin formulation having an increased working time over prior art amines used for curing epoxies. Increased working times translate to the ability to manufacture composites which could not be made using conventional epoxy curing agents, such as composite blades for wind-driven turbines. Such polyamines are also useful in polyurea formulations for lengthening reaction time, thus allowing more flow of applied polyurea coatings prior to gellation. | 08-06-2009 |
| 20100063240 | Novel Thermoplastic Hydrogel Polymer Compositions For Use In Producing Contact Lenses And Methods Of Producing Said Compositions - The present invention relates generally to production of thermoplastic materials which swell in water to produce hydrogels. These materials will hereafter be referred to as “thermoplastic hydrogels”. They are useful as contact lenses or for use in vision correction prosthetics or as cosmetic devices. In particular, the invention relates to thermoplastic hydrogels which show improved flow characteristics. | 03-11-2010 |
| 20100160592 | Formulations For Reaction Injection Molding And For Spray Systems - This invention provides articles made by reaction injection molding and spray coatings, and processes for forming such articles and coatings. The coatings and articles are polyureas or polyurea-urethanes. The ingredients used to form the coatings and articles comprise at least (A) an aromatic polyisocyanate and (B) a mixture formed from components comprised of (i) at least one polyol and/or at least one polyetheramine, (ii) an aromatic primary diamine, and (iii) an aliphatic secondary diamine which has about twelve to about forty carbon atoms and in which the having amino hydrocarbyl groups are secondary or tertiary hydrocarbyl groups. | 06-24-2010 |
| 20110077376 | PROCESS FOR PRODUCING HYDROXYALKYLTRIETHYLENEDIAMINE, AND CATALYST COMPOSITION FOR THE PRODUCTION OF POLYURETHANE RESIN USING IT - To provide a process for producing a hydroxyalkyltriethylenediamine or hydroxytriethylenediamine simply and in a small number of steps without requiring multi-stage reaction steps; a novel catalyst composition whereby a polyurethane product can be obtained with good productivity and good moldability without bringing about odor problems or environmental problems; and a process for producing a polyurethane resin using the catalyst composition. | 03-31-2011 |
| 20110137005 | Chain Extenders - This invention provides chain extender compositions. These compositions comprise | 06-09-2011 |
| 20110301317 | NOVEL POLYUREASULFONE POLYMER - A polyureasulfone polymer having a high cohesive energy density and tensile strength, and method of making. | 12-08-2011 |
| 20110301318 | Mixed Polycycloaliphatic Amines (MPCA) And MPCA Alkylates - Mixed polycycloaliphatic amines (MPCA) and alkylates thereof (MPCA alkylates), methods for making mixed polycycloaliphatic MPCA amines and MPCA alkylates thereof, as well as polymeric compositions, such as spray-applied polyurea coating compositions, comprising said mixed amines MPCA and MPCA alkylates thereof are described herein. In one embodiment, the polymeric composition comprises an isocyanate component, and a resin component comprising an organic compound having the following Formula I: | 12-08-2011 |
| 20120046436 | POLYISOCYANATE COMPOSITION - Polyisocyanate composition comprising a polyisocyanate, a lithium halide and a urea compound, wherein the number of moles of lithium halide per isocyanate equivalent ranges of from 0.0001-0.04 and the number of urea+biuret equivalents per isocyanate equivalent of from 0.0001-0.4. Process for making such composition. Curable composition comprising this polyisocyanate composition and an epoxy resin. Polyisocyanurate made from this curable composition. | 02-23-2012 |
| 20120116041 | REACTIVE SYSTEMS CONTAINING FORMAMIDES - The invention relates to novel formamides derived from diamines or triamines. As compared to amines, these formamide-terminated compositions have a decelerated reactivity to polyisocyanates, that is, prepolymers. | 05-10-2012 |
| 20120123080 | Polymers with Pendant Alkyl Chains - A hydrophobic polymer made by incorporating alkyl chains pendant to the main backbone of the polymer which allows creating polymers with alkyl chains pendant to the polymer chain. Synthetic and naturally derived starting materials such as tallow diamine or ethoxylated tallow amine typically contain a mixture of chain lengths with varying degrees of branching and unsaturation. The unsaturated positions in the final polymer can be made to cross-link in the presence of a catalyst to increase the hardness and reduce the effect of heat and solvent borne exposures. The present invention can be a replacement to current monomers or additive to common polymers to replace or modify the current polymers to alter the properties of a polymer adding the known benefits of fatty compounds to common polymers such as hydrophobicity, or in altering the HLB (hydrophilic lipophilic balance) of polymeric surfactants. | 05-17-2012 |
| 20120283405 | ETHERAMINES CONTAINING FLEXIBLE AND RIGID SEGMENTS AND THEIR USE AS INTERMEDIATES FOR POLYMER SYNTHESIS - The present invention relates to an etheramine mixture containing a monoether diamine and its method of production by alkyloxating an initiator with an alkylene oxide to produce a precursor polyol and reductively aminating the precursor polyol to form the etheramine mixture. The etheramine mixture may be used in variety of applications including as a curing agent for an epoxy resin or as a reactant in the production of polyurea materials. | 11-08-2012 |
| 20130131301 | Method for Making Waterborne Polyurethane with a Reactive Functional Group and a Nanocomposite Made of the Same - Disclosed is a method for making waterborne polyurethane with a reactive functional group. The method includes the step of introducing a short-chain diol monomer with a reactive functional group into waterborne polyurethane polymer by pre-polymerization to provide a polyurethane pre-polymer with the reactive functional group connected to a side chain and the step of reacting the pre-polymer with hydrophilic diamine for chain extension and inter-crosslink to provide waterborne polyurethane with different crosslink degree. The short-chain diol monomer is expressed by structural formula (I) and the polyurethane pre-polymer with the reactive functional group connected to the side chain is expressed by structural formula (II) as follows: | 05-23-2013 |
| 20130165620 | ETHERAMINES CONTAINING FLEXIBLE AND RIGID SEGMENTS AND THEIR USE AS INTERMEDIATES FOR POLYMER SYNTHESIS - The present invention relates to an etheramine mixture containing a monoether diamine and its method of production by alkyloxating an initiator with an alkylene oxide to produce a precursor polyol and reductively aminating the precursor polyol to form the etheramine mixture. The etheramine mixture may be used in variety of applications including as a curing agent for an epoxy resin or as a reactant in the production of polyurea materials. | 06-27-2013 |
| 20130237681 | AMINES HAVING SECONDARY ALIPHATIC AMINO GROUPS - The present invention relates to novel amides having secondary amino groups, a process for preparing them, adducts of these amines and their uses. The amides can be prepared in a simple way from readily available starting materials. They and their adducts have, in particular, a low viscosity and are suitable as constituent of polyurethane and polyurea compositions having excellent processability and high flexibility, and also as constituent of epoxy resin compositions, in particular coatings. | 09-12-2013 |
| 20140005348 | POLYURETHANE ELASTIC FIBER | 01-02-2014 |
| 20140275465 | PROCESS AND SYSTEMS FOR OBTAINING 1,4-BUTANEDIOL FROM FERMENTATION BROTHS - A process of purifying 1,4-butanediol (1,4-BDO) from a fermentation broth including separating solid materials, salts and water, and subjecting the resulting material to a two, three or four column distillation system, that can include a wiped film evaporator to produce a purified 1,4-butanediol. | 09-18-2014 |
| 20140323679 | POLYMER RAW MATERIAL AND POLYMER MATERIAL - To provide a polymer material having properties that allow the polymer material to replace a polyimide and a polyamide synthesized from a petroleum raw material, said polymer material being synthesized from a raw material derived from natural molecules. [Solution] This polymer material is obtained by polymerizing a polymer raw material comprising a dimer of 4-amino cinnamic acid or a dimer of a 4-amino cinnamic acid derivative, which are natural molecules, wherein the carboxyl group is protected by an alkyl chain. The TGA curve of a polyamide acid (PAA-1) and a polyimide (PI-1) according to the present invention is shown in FIG. | 10-30-2014 |
| 20140329984 | POLYMERS DERIVED FROM RENEWABLY RESOURCED LYSINOL - Disclosed are salt compositions of lysinol and dicarboxylic acids; and lysinol derived polymers including polyamide, polyimide, polyurea, cross-linked polyurea comprising urethane linkages, polyurea foams, cross-linked polyurea foams, and lysinol-epoxy thermoset. | 11-06-2014 |
| 20140371417 | MICROORGANISMS AND METHODS FOR PRODUCTION OF 4-HYDROXYBUTYRATE, 1,4-BUTANEDIOL AND RELATED COMPOUNDS - The invention provides non-naturally occurring microbial organisms having a 4-hydroxybutyrate, gamma-butyrolactone, 1,4-butanediol, 4-hydroxybutanal, 4-hydroxybutyryl-CoA and/or putrescine pathway and being capable of producing 4-hydroxybutyrate, wherein the microbial organism comprises one or more genetic modifications. The invention additionally provides methods of producing 4-hydroxybutyrate, gamma-butyrolactone, 1,4-butanediol, 4-hydroxybutanal, 4-hydroxybutyryl-CoA and/or putrescine or related products using the microbial organisms. | 12-18-2014 |
| 20160009852 | Vegetable Oil-Modified, Hydrophobic Polyurethane Dispersions | 01-14-2016 |
| 20160090437 | POLYISOBUTYLENES AND PROCESS FOR MAKING SAME - The present invention generally relates to alcohol-terminated polyisobutylene (PIB) compounds, and to a process for making such compounds. In one embodiment, the present invention relates to primary alcohol-terminated polyisobutylene compounds, and to a process for making such compounds. In still another embodiment, the present invention relates to polyisobutylene compounds that can be used to synthesize polyurethanes, to polyurethane compounds made via the use of such polyisobutylene compounds, and to processes for making such compounds. In yet another embodiment, the present invention relates to primary alcohol-terminated polyisobutylene compounds having two or more primary alcohol termini and to a process for making such compounds. In yet another embodiment, the present invention relates to primary terminated polyisobutylene compounds having two or more primary termini selected from amine groups or methacrylate groups. | 03-31-2016 |
| 20190144667 | IMIDAZOYL UREA POLYMERS AND THEIR USE IN METAL OR METAL ALLOY PLATING BATH COMPOSITIONS | 05-16-2019 |
