Class / Patent application number | Description | Number of patent applications / Date published |
525421000 | Solid polymer derived from reactant containing ethylenic unsaturation | 19 |
20090069508 | POLYIMIDE POLYMER WITH OLIGOMERIC SILSESQUIOXANE - A soluble polyimide polymer with tethered oligomeric silsesquioxane compounds is produced using efficient, gentle reactions. A carboxylic acid attachment point on the polymer backbone is used to connect the oligomeric silsesquioxane. The oligomeric silsesquioxane compound includes an amine or an alcohol on an organic tether, which reacts with the carboxylic acid attachment point to produce either an amide or an ester bond. The amide or ester bond includes a carbonyl carbon directly connected to a phenyl group in the polymer backbone. The resultant polyimide polymer has many beneficial properties. | 03-12-2009 |
20090099318 | POLYAMIDE RESIN - To provide a polyamide resin excellent in lasting thermal stability and having a high biomass ratio. | 04-16-2009 |
20090258998 | COMPOSITION AND PROCESS FOR THE CONTROLLED SYNTHESIS OF BLOCK COPOLYMERS - The present invention relates to a polymerizable composition comprising a) at least one ethylenically unsaturated monomer and b) at least one hydroxylamine of high molecular weight, preferably a long chain alkyl substituted hydroxylamine. Further aspects of the present invention are a process for polymerizing ethylenically unsaturated monomers, and the use of high molecular weight hydroxylamines for controlled polymerization. | 10-15-2009 |
20100099829 | NOVEL PDMS-PVP BLOCK COPOLYMERS - Methods for preparation of functionalized polyvinylpyrrolidone with polymeπzablβ functions and amphipathic polydimethylsiloxane-PVP block copolymers A (meth)acrylated polyvinylpyrrolidone compound and a (meth)acrylamide-functionalized polyvinylpyrrolidone structures are disclosed The block copolymers are useful as biomaterial components in biomedical devices They provide improved wettability, lubricity, and material compatibility to the biomedical device, e g, ophthalmic lenses | 04-22-2010 |
20100160574 | Polymerisation Using Chain Transfer Agents - The invention provides a process for synthesising functionalised chain transfer polymers of Formula (1) or Formula (2) using thiocarbonyl thio compounds as chain transfer agents. Why R1 is a moiety comprising a functional group; Q is obtained from an olefinically unsaturated monomer; R′ is selected from the group consisting of alkyl, substituted alkyl, alkoxy, substituted alkoxy, an aromatic saturated or unsaturated carbocyclic or heterocyclic ring, optionally substituted with one or more substituents, amino alkyl, cyanoalkyl, hydroxylalkyl, saturated and unsaturated amido; an organometallic species, a polymer chain and any of the foregoing substituted with one or more CN or OH groups; q=an integer of at least 2; p=an integer of at least 1. Chain transfer agents and polymers produced by the method are also provided. | 06-24-2010 |
20100331495 | GRAFT COPOLYMERS AND METHOD TO PREPARE SAME - A thermally processable graft copolymer formed from a water soluble polymer and a water insoluble polymer, wherein the graft copolymer forms a hydrogel upon exposure to water. | 12-30-2010 |
20100331496 | GRAFT COPOLYMERS AND METHOD TO PREPARE SAME - A thermally processable graft copolymer formed from a water soluble polymer and a water insoluble polymer, wherein the graft copolymer forms a hydrogel upon exposure to water. | 12-30-2010 |
20120172540 | Liquid Crystal Alignment Agent, Liquid Crystal Alignment Film Manufactured Using the Same, and Liquid Crystal Display Device Including the Liquid Crystal Alignment Film - Disclosed is a liquid crystal alignment agent that includes a polymer including polyamic acid including a repeating unit represented by the following Chemical Formula 1, polyimide including a repeating unit represented by the following Chemical Formula 2, or a combination thereof. | 07-05-2012 |
20120190801 | Liquid Crystal Alignment Agent, Liquid Crystal Alignment Film Manufactured Using the Same, and Liquid Crystal Display Device Including the Liquid Crystal Alignment Film - A liquid crystal alignment agent is provided that includes a polymer including polyamic acid including a repeating unit represented by the following Chemical Formula 1, polyimide including a repeating unit represented by the following Chemical Formula 2, or a combination thereof. | 07-26-2012 |
20120316294 | ADHESIVE COMPOSITION AND OPTICAL MEMBER USING THE SAME - An adhesive composition includes 100 parts by weight of a (meth)acrylate copolymer having a weight average molecular weight of 1,000,000 to 2,000,000 g/mol; and 0.05 to 5 parts by weight of a carbodiimide cross-linking agent. | 12-13-2012 |
20130158208 | Liquid Crystal Alignment Agent, Liquid Crystal Alignment Film Using the Same, and Liquid Crystal Display Device Including the Liquid Crystal Alignment Film - Disclosed are a liquid crystal alignment agent, a liquid crystal alignment film manufactured using the same, and a liquid crystal display including the liquid crystal alignment film. The liquid crystal alignment agent includes a polymer comprising a polyamic acid including a repeating unit represented by Chemical Formula 1, polyimide including a repeating unit represented by Chemical Formula 2, or a combination thereof: | 06-20-2013 |
20130165598 | Liquid Crystal Photoalignment Agent, Liquid Crystal Photoalignment Film Using the Same, and Liquid Crystal Display Device Including the Liquid Crystal Photoalignment Film - Disclosed are a liquid crystal photoalignment agent, a liquid crystal photoalignment film using the same, and a liquid crystal display including the liquid crystal photoalignment film. The liquid crystal photoalignment agent includes a polymer including polyamic acid including a repeating unit represented by Chemical Formula 1, polyimide including a repeating unit represented by Chemical Formula 2, or a combination thereof, or includes a first polymer including polyamic acid including a repeating unit represented by Chemical Formula 5, polyimide including a repeating unit represented by Chemical Formula 6, or a combination thereof; and a second polymer including polyamic acid including a repeating unit represented by Chemical Formula 7, polyimide including a repeating unit represented by Chemical Formula 8, or a combination thereof, wherein Chemical Formulae 1, 2 and 5 to 8 are the same as defined in the detailed description. | 06-27-2013 |
20130172494 | POLYIMIDE PRECURSOR COMPOSITION AND PREPARATION METHOD AND USE THEREOF - The present invention provides a polyimide precursor composition comprising a polyimide precursor and a thermal base generator having the structure of formula (1): | 07-04-2013 |
20140155556 | ADHESIVE SYSTEMS USING IMINES AND SALTS THEREOF, PRECURSORS TO ELECTRON DEFICIENT OLEFINS AND COREACTANTS THEREFOR - This invention relates to adhesive systems using imines and salts thereof, precursors to electron deficient olefins and coreactants therefor. | 06-05-2014 |
20140187727 | 1,2-CYCLOHEXANEDIAMINPLATINUM(II)-BIS-(4-METHYLBENZENESULFONATE) AND THE HYDRATES THEREOF - The present invention describes the dihydrate of 1,2-cyclohexanediaminplatinum(II)-bis-(4-methylbenzenesulfonate), a method for producing 1,2-cyclohexanediaminplatinum(II)-bis-(4-methylbenzenesulfonate) and the hydrates thereof, and the use of 1,2-cyclohexanediaminplatinum(II)-bis-(4-methylbenzenesulfonate) and of the hydrates thereof. | 07-03-2014 |
525422000 | Solid polymer derived from imide reactant | 4 |
20080319140 | Thermoplastic Resin Composition - The present invention provides a thermoplastic resin composition that excels in the slidability and mold release ability at molding of thermoplastic resin by virtue of mixing of a small amount of a polyorganosiloxane-containing graft copolymer excellent in powder characteristics. The present invention can solve the above-mentioned problem by providing thermoplastic resin composition comprising 0.01 to 5% by weight of a polyorganosiloxane-containing graft copolymer (C) and 99.99 to 95% by weight of a thermoplastic resin (D), wherein the polyorganosiloxane-containing graft copolymer (C) is obtainable by polymerizing 40 to 10 parts by weight of a vinyl monomer (B) in the presence of 60 to 90 parts by weight of a polyorganosiloxane (A) with a proviso that a sum of (A) and (B) is 100 parts by weight, a graft ratio of the polyorganosiloxane-containing graft copolymer (C) is less than 1%, and a content of methyl ethyl ketone-insoluble matter in the polyorganosiloxane-containing graft copolymer (C) is 3% by weight or less. | 12-25-2008 |
20120035332 | Extraction of Metals from Solid Mixtures Using Dendritic Macromolecules - Methods and facilities are provided for extracting a metal, such as an actinide from a solid, such as an ore. A novel class of dendritic macromolecules is provided for use in such extraction having a core, a hyperbranched structure, and a plurality of units satisfying the formula —NR | 02-09-2012 |
20120196989 | SYNTHESIS OF HOMOPOLYMERS AND BLOCK COPOLYMERS - The present invention relates to the field of polymer chemistry and more particularly to homopolymers and block copolymers and methods of preparing the same. | 08-02-2012 |
20120220734 | Reversible Fluorescence Photoswitch based on Dye-Crosslinked Dendritic Nanoclusters for High-Contrast Imaging of Living Biological Systems - The present invention relates to a reversible fluorescence photoswitch based on the dye-crosslinked dendritic nanoclusters for high-contrast imaging of living biological systems. The dendritic nanocluster according to the present invention consists of two or more dendrimers crosslinked each other to have a globular shape overall, and thereby enhancing the fluorescence intensity and improving the detection sensitivity of the monomeric dendrimers. In addition, the dendritic nanocluster according to the present invention was found to internalize into a living zebrafish by both skin permeation and microinjection, independently. Further, the dendritic nanocluster according to the present invention showed low toxicity and thus it could be useful for both in vivo and in vitro imaging as well as the ex vivo cell tracking applications. | 08-30-2012 |