Class / Patent application number | Description | Number of patent applications / Date published |
525426000 | Mixed with ethylenically unsaturated reactant or polymer therefrom | 13 |
20090326165 | METHOD OF MAKING GRAFT COPOLYMERS FROM SODIUM POLY(ASPARTATE) AND THE RESULTING GRAFT COPOLYMER - A variety of graft copolymers can be formed sodium poly(aspartate) with a wide variety of monomers in an aqueous medium by the use of grafting method in the presence of radical initiator at a temperature of from about five degrees Centigrade to about 100 degrees Centigrade. Graft copolymers at high conversion with molecular weight up to millions can be prepared using this method. | 12-31-2009 |
20100190933 | MULTI-ARM POLYMER PRODRUGS - Provided herein are water-soluble prodrugs. The prodrugs of the invention comprise a water-soluble polymer having three or more arms, at least three of which are covalently attached to an active agent, e.g., a small molecule. The conjugates of the invention provide an optimal balance of polymer size and structure for achieving improved drug loading, since the conjugates of the invention possess three or more active agents releasably attached to a multi-armed water soluble polymer. The prodrugs of the invention are therapeutically effective, and exhibit improved properties in-vivo when compared to unmodified parent drug. | 07-29-2010 |
20110054124 | POLYAMIC ACID RESIN COMPOSITION AND METHOD FOR FORMING POLYIMIDE RESIN - Additives of a polyamic acid resin composition are disclosed, including an ester-phenol compound, an imidazole compound, and a heterocyclic aromatic amine compound other than the imidazole compound. The high cyclization temperature and long cyclization period of conventional polyamic acid resin compositions can be lowered and shorten by the additives of the invention. In addition, a metal foil and the polyimide resin formed from the cyclization have excellent adhesive strength, high flat degree, and excellent electrical property | 03-03-2011 |
20110213098 | THERMALLY STABLE ARTICLE AND METHOD OF MANUFACTURE THEREOF - An article that includes a thermoplastic composition and a crosslinking agent. The crosslinking agent is thermally activated by annealing at a temperature proximate to the flow point of the thermoplastic composition to stabilize the dimensions of the article during service when compared with a similar article that contains the thermoplastic resin without the crosslinking agent or a similar article that contains the crosslinking agent but is thermally activated at a rate of greater than or equal to about 5 degrees centigrade per minute to the same temperature. | 09-01-2011 |
20110213099 | Method of making graft copolymers from sodium poly(aspartate) and the resulting graft copolymer - A variety of graft copolymers can be formed sodium poly(aspartate) with a wide variety of monomers in an aqueous medium by the use of grafting method in the presence of radical initiator at a temperature of from about five degrees Centigrade to about 100 degrees Centigrade. Graft copolymers at high conversion with molecular weight up to millions can be prepared using this method. | 09-01-2011 |
20110257344 | THERMALLY REVERSIBLE CROSS-LINKED POLY(ARYL ETHER KETONE) MEDIA AND METHOD FOR HIGH DENSITY DATA STORAGE - A composition of matter for a recording medium in atomic force data storage devices. The composition includes one or more poly(aryl ether ketone) copolymers, each of the one or more poly(aryl ether ketone) copolymers including (a) a first monomer including an aryl ether ketone and (b) a second monomer including an aryl ether ketone and a hydrogen bonding cross-linking moiety, the moiety capable of forming two or more hydrogen bonds at room temperature, each of the one or more poly(aryl ether ketone) copolymers having two terminal ends, each terminal end having a phenylethynyl moiety. The covalent and hydrogen bonding cross-linking of the poly(aryl ether ketone) oligomers may be tuned to match thermal and force parameters required in read-write-erase cycles. | 10-20-2011 |
20120035333 | CARBOXYLIC POLYBENZIMIDAZOLE - A carboxylic polybenzimidazole includes at least one of the following functional group of formula (I): | 02-09-2012 |
20120071611 | POLYBENZOXAZINE-BASED COMPOUND, ELECTROLYTE MEMBRANE INCLUDING THE SAME, AND FUEL CELL EMPLOYING THE ELECTROLYTE MEMBRANE - A crosslinked object of a polybenzoxazine-based compound formed of a polymerized resultant of a first monofunctional benzoxazine-based monomer or a second multifunctional benzoxazine-based monomer with a crosslinkable compound, an electrolyte membrane including the crosslinked object, a method of preparing the electrolyte membrane, and a fuel cell employing the electrolyte membrane including the crosslinked object. | 03-22-2012 |
20120101236 | POLYIMIDE PRECURSOR COMPOSITION CONTAINING POLYAMIC ACID ALKYL ESTER - To provide a polyamic acid ester-containing polyimide precursor composition having a good storage stability, from which a polyimide film having a high imidization degree and excellent adhesion to an inorganic substrate can be obtained. | 04-26-2012 |
20130225769 | CROSS-LINKER - Disclosed are novel cross-linkable end-cappers for oligo- and polyamides. End-capped oligo- and polyamides comprising such an end-capper may be cured at a lower temperature compared to oligo- and polyamides end-capped with PEPA. | 08-29-2013 |
20140024786 | POLYIMIDE PRECURSOR COMPOSITION, ARTICLE PREPARED BY USING SAME, AND DISPLAY DEVICE INCLUDING THE ARTICLE - Disclosed are a polyimide precursor composition that includes a polyamic acid selected from compounds represented by Chemical Formulae 1 to 3, and a combination thereof; and a cross-linking agent selected from a compound represented by Chemical Formula 4, a compound represented by Chemical Formula 5, and a combination thereof; an article including a cross-linked polyimide using the same; and a display device including the article. | 01-23-2014 |
20140371401 | PAMAM, SPACER MOLECULE AND CAFESTOL POLYMERS - The present invention is directed to a polymeric compound with a size in a nanometric scale, useful as a biocompatible carrier for the transport and delivery of active agents into a fish, insect, animal, reptile, bird, human, or plant, wherein said polymeric compound comprises PAMAM (polyamidoamine) dendrimers, a spacer molecule, and cafestol, wherein the polymeric compound of the invention comprises a structure of the kind (cafestol-PAMAM derivative) | 12-18-2014 |
20160083559 | TRANSPARENT POLYAMIDE RESIN COMPOSITION AND CROSSLINKED TRANSPARENT POLYAMIDE RESIN MOLDED BODY - A transparent polyamide resin composition includes a transparent polyamide resin which is a copolymer of an alicyclic diamine and a dicarboxylic acid and which has a refractive index of 1.500 to 1.550, and a transparent crosslinking auxiliary having a refractive index of 1.500 to 1.550, in which the amount of the crosslinking auxiliary added is 13 to 26 parts by mass relative to 100 parts by mass of the transparent polyamide resin, and the crosslinking auxiliary is dispersed, as phases with a diameter of 350 nm or less, in the transparent polyamide resin. A crosslinked transparent polyamide resin molded body is obtained by molding the transparent polyamide resin composition and crosslinking the transparent polyamide resin. | 03-24-2016 |