| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 526303100 | From carboxylic acid amide-containing monomer | 34 |
| 20080242815 | Oxide catalyst, process for producing acrolein or acrylic acid and process for producing water absorbent resin - The invention provides a process which enables, in preparation of acrolein by catalytic gas-phase oxidation of propylene in the presence of molecular oxygen or a molecular oxygen-containing gas or in preparation of acrylic acid by catalytic gas-phase oxidation of acrolein in the presence of molecular oxygen or a molecular oxygen-containing gas, using single kind of atalyst, to suppress occurrence of localized extraordinarily high temperature spots (hot spots) in the catalyst layer and can stably maintain high acrolein or acrylic acid yield for a long time. The process is characterized by use of an oxide catalyst containing molybdenum as an essential component and having relative standard deviation of its particle size in a range of 0.02 to 0.20. | 10-02-2008 |
| 20080312394 | PROTEIN STABILIZING AGENT - A protein stabilizing agent comprising a copolymer comprising: a repeating unit (A) represented by the following formula (1) and a repeating unit (B) represented by the following formula (2): | 12-18-2008 |
| 20080319150 | Process for Production of Polymer Powders Containing Vinylformamide Units - A process for producing a polymer powder comprising vinylformamide units by free radical polymerization of an aqueous solution of N-vinylformamide and if appropriate other monomers and drying the polymer which comprises an aqueous monomer solution comprising N-vinylformamide and at least one polymerization initiator being spray dispensed as an aerosol or dropletized at the top of a heatable tower-shaped reactor, then polymerizing the aerosol or droplets in an inert gas atmosphere to form a finely divided solid and discharging the finely divided polymer from the reactor. | 12-25-2008 |
| 20090163684 | METHOD FOR PURIFYING POLAR VINYL COMPOUNDS - Method of purifying an open-chain N-vinyl compound by crystallization in a crystallizer, the crystallization being carried out from a melt of a mixture comprising open-chain N-vinyl compound at a pressure of 10 | 06-25-2009 |
| 20090171051 | Method For Producing Amide Compound - [Problems] The present invention provides a method for efficiently producing a corresponding amide compound from a nitrile compound by a reaction using a nitrile hydratase and a method for producing an amide-based polymer excellent in quality from the amide compound. In addition, the present invention provides a method for more efficiently producing an acrylamide with higher quality by a microbial catalyst containing a nitrile hydratase and the like and a method for producing an acrylamide-based polymer, which is excellent in hue, has a good balance between the water solubility and the high molecular weight and is also excellent in quality, by using the acrylamide. | 07-02-2009 |
| 20110218312 | METHOD FOR PRODUCING N-ISOPROPYL(METH)ACRYLAMIDE - A novel process is described which allows N-isopropyl(meth)acrylamide to be obtained in high purity and yield in a simple manner, by reacting methacrylic anhydride with isopropylamine, optionally in a solvent. | 09-08-2011 |
| 20110288255 | METHOD FOR PRODUCING AMIDE COMPOUND - A method for producing an amide compound from a nitrile compound in an aqueous medium in the presence of a catalyst having a nitrile hydratase activity wherein the concentration of benzene in the aqueous medium is 4.0 ppm or less and a method for producing an amide-based polymer excellent in quality from the amide compound. Also provided are a method for more efficiently producing an acrylamide with higher quality by a microbial catalyst containing a nitrile hydratase and the like and a method for producing an acrylamide-based polymer, which is excellent in hue, has a good balance between water solubility and high molecular weight and is excellent in quality. | 11-24-2011 |
| 20110294974 | N-(1-HYDROXYETHYL ) CARBOXAMIDE COMPOUND AND PROCESS FOR PRODUCING SAME - The present invention relates to an N-(1-hydroxyethyl)carboxamide compound represented by formula (1) | 12-01-2011 |
| 20120083581 | PROCESS FOR PRODUCTION OF POLYMER POWDERS CONTAINING VINYLFORMAMIDE UNITS - A process for producing a polymer powder comprising vinylformamide units by free radical polymerization of an aqueous solution of N-vinylformamide and if appropriate other monomers and drying the polymer which comprises an aqueous monomer solution comprising N-vinylformamide and at least one polymerization initiator being spray dispensed as an aerosol or dropletized at the top of a heatable tower-shaped reactor, then polymerizing the aerosol or droplets in an inert gas atmosphere to form a finely divided solid and discharging the finely divided polymer from the reactor. | 04-05-2012 |
| 20140235808 | MICRODROPLET OR MICROPARTICLE WITH JANUS OR CORE-SHELL INTERNAL MORPHOLOGY FABRICATED FROM N-ISOPROPYLACRYLAMIDE - A microdroplet or microparticle with Janus or core-shell internal morphology, which is obtained under the control of phase separation of high-concentration NIPAAm formed at 25° C. or more in a microfluidic device, is provided. The microdroplet or microparticle shows an anisotropic volume change according to a change in temperature, and can also serve as a fat-soluble/water-soluble carrier, and thus can be used as a new material for medical supplies in the field of various applications in the future. | 08-21-2014 |
| 526304000 | Contains oxygen atom other than in amide form bonded to a carbon atom | 11 |
| 20080287629 | Aqueous N-Methylolmethacrylamide-Methacrylamide Mixture - The invention relates to mixtures of methacrylamide and aqueous N-methylolmethacrylamide solution. | 11-20-2008 |
| 20090093603 | OPHTHALMIC AND OTORHINOLARYNGOLOGICAL DEVICE MATERIALS - Disclosed are soft, high refractive index, acrylic device materials. The materials comprise di-block or tri-block macromers containing a hydrophilic block in the polymer backbone. The materials have improved glistening resistance. | 04-09-2009 |
| 20100190948 | TEMPORARY WET STRENGTH RESIN FOR PAPER APPLICATIONS - A thermosetting resin comprising a reacted A) first partially crosslinked glyoxalated polymer comprising a reacted (i) first polyacrylamide backbone and (ii) a first glyoxal component; and B) a second crosslinked glyoxalated polymer comprising a reacted (i) second polyacrylamide backbone and (ii) a second glyoxyal component; such that the first polyacrylamide backbone has a molecular weight that is less than the molecular weight of the second polyacrylamide backbone; and the first polyacrylamide backbone and the second polyacrylamide backbone have a weight ratio ranging from 75:25 to 95:5. Methods for making and using the resin. Fibrous substrates made with the resin. | 07-29-2010 |
| 20100280202 | VINYL ALCOHOL-BASED POLYMER AND FILM CONTAINING THE SAME - Provided are a polyoxyalkylene modified vinyl alcohol-based polymer, including a polyoxyalkylene group in side chain, wherein the vinyl alcohol-based polymer has a viscosity average degree of polymerization P of from 200 to 5000, has a degree of saponification of from 20 to 99.99 mol %, and has an amount S of polyoxyalkylene modification of from 0.1 to 10 mol % and a film containing the same. By way of them, a polyvinyl alcohol-based polymer that is soluble in water and also high in viscosity, and a film that is less in a decrease of tensile elastic modulus when conditioned in high humidity, is excellent in water repellency on the film surface, and exhibits water solubility are provided. | 11-04-2010 |
| 20110009589 | DEGRADABLE HETEROBIFUNCTIONAL POLY(ETHYLENE GLYCOL) ACRYLATES AND GELS AND CONJUGATES DERIVED THEREFROM - A heterobifunctional poly(ethylene glycol) is provided having a hydrolytically degradable linkage, a first terminus comprising an acrylate group, and a second terminus comprising a target such as a protein or pharmaceutical agent or a reactive moiety capable of coupling to a target. Hydrogels can be prepared. The hydrogels can be used as a carrier for a protein or a pharmaceutical agent that can be readily released in a controlled fashion. | 01-13-2011 |
| 20110015361 | COPOLYMERS, THEIR USE AS THICKENERS, AND METHODS FOR THEIR PREPARATION - Copolymers, their use as thickeners, and methods for their preparation The present invention relates to copolymers comprising as comonomers in copolymerized form
| 01-20-2011 |
| 20110124833 | MEDICAL PRESSURE-SENSITIVE ADHESIVE COMPOSITION - There is provided a medical pressure-sensitive adhesive composition including an acrylic copolymer obtained by copolymerizing monomer components containing (a) at least one kind of a monomer of a (meth)acrylic acid alkyl ester and (b) at least one kind of a monomer of an N-hydroxyalkyl(meth)acrylamide, wherein: a content of the (meth)acrylic acid alkyl ester monomer (a) with respect to a total amount of the monomer components is 50 weight % to 99.9 weight % and a content of the N-hydroxyalkyl(meth)acrylamide monomer (b) with respect to the total amount is 0.1 weight % to 20 weight %; and the monomer components are substantially free of a monomer having a carboxyl group. The medical pressure-sensitive adhesive composition of the present invention is particularly suitable for applications such as medical patches and patch preparations. | 05-26-2011 |
| 20110160417 | AMINO ACID MIMETIC COPOLYMERS AND MEDICAL DEVICES COATED WITH THE COPOLYMERS - Biocompatible polymers are manufactured to include an amino acid mimetic monomer and one or more hydrophobic acrylate monomers. The amino acid mimetic monomers are selected to mimic the side chain of the amino acids asparagine or glutamine. The amino acid mimetic monomer can be a methacryloyl or acryloyl derivative of 2-hydroxyacetamide, 3-hydroxypropionamide, alaninamide, lactamide, or glycinamide. These amide functional groups offer the advantage of moderate hydrophilicity with little chemical reactivity. The amino acid mimetic monomer can be copolymerized with one or more hydrophobic acrylate monomers to obtain desired coating properties. | 06-30-2011 |
| 20140303336 | Natural Oil Derivatives Including (Meth)acrylate Functional Groups - A compound has Structure I: | 10-09-2014 |
| 20150038661 | WATERSOLUBLE LINEAR COPOLYMER - The invention concerns the water-soluble linear heterochain dipolymer having the general formula: | 02-05-2015 |
| 20150094439 | STABLE POLYMERIZABLE UV-ABSORBING COLORANT FOR INTRAOCULAR LENS - A polymerizable UV-absorbing colorant monomer is provided, which is excellent in stability under alkaline conditions and which is available for a useful material polymer for an intraocular lens. A compound, which is represented by the following general formula (1), is used as a polymerizable UV-absorbing monomer available for a material polymer for an intraocular lens: | 04-02-2015 |
| 526306000 | Plural amide group containing | 4 |
| 20140051820 | Quasicrystalline Structures and Uses Thereof - This invention relates generally to the field of quasicrystalline structures. In preferred embodiments, the stopgap structure is more spherically symmetric than periodic structures facilitating the formation of stopgaps in nearly all directions because of higher rotational symmetries. More particularly, the invention relates to the use of quasicrystalline structures for optical, mechanical, electrical and magnetic purposes. In some embodiments, the invention relates to manipulating, controlling, modulating and directing waves including electromagnetic, sound, spin, and surface waves, for pre-selected range of wavelengths propagating in multiple directions. | 02-20-2014 |
| 20150376317 | POLYMERS PREPARED USING SMART TEMPLATES - New molecularly imprinted polymers are described, and a method for their production using novel particle technology based on multifunctional placeholder templates. | 12-31-2015 |
| 20160177005 | BINDER COMPOSITIONS AND METHODS FOR MAKING AND USING SAME | 06-23-2016 |
| 20170233515 | Quasicrystalline Structures and Uses Thereof | 08-17-2017 |
| 526307000 | Non-amide nitrogen containing | 1 |
| 20100280203 | GRAFT POLYMERS HAVING OLIGOALKYLENIMINE SIDE CHAINS, PROCESS FOR THEIR PREPARATION AND THEIR USE - Graft polymers whose grafting base is selected from the group consisting of polymers having vinylamine units, polyamines, polyamidoamines and polymers of ethylenically unsaturated acids and which comprise exclusively oligoalkylenimine side chains as side chains, process for the preparation of graft polymers having oligoalkylenimine side chains, at least one oligoalkylenimine which comprises a terminal aziridine group being grafted onto one of said grafting bases, and the use of the graft polymers thus obtainable as process chemicals in the production of paper, as antimicrobial coating materials, as builders in detergents and for the treatment of metal surfaces. | 11-04-2010 |
| 526307100 | N- substituted unsaturated hydrocarbon group | 1 |
| 20100280204 | METHOD FOR PRODUCING N-METHYL-N-VINYLACETAMIDE HAVING IMPROVED STABILITY AND POLYMERIZABILITY - The present invention relates to a method for producing N-methyl-N-vinylacetamide, which comprises a step for controlling the N-1,3-butadienyl-N-methylacetamide content in N-methyl-N-vinylacetamide to 0.01-150 ppm. This method enables production of N-methyl-N-vinylacetamide having a stable quality, which can be controlled in stability and polymerizability as a monomer. N-methyl-N-vinylacetamide produced by the method enables production of an N-methyl-N-vinylacetamide polymer having stable physical properties such as a molecular weight. | 11-04-2010 |
| 526307200 | With monomer containing carboxylic acid amide group | 1 |
| 20090312512 | HIGH MOLECULAR WEIGHT COMPACT STRUCTURED POLYMERS, METHODS OF MAKING AND USING - A structured water soluble polymer produced by polymerization of amine-containing monomers or pre-formed polymers is described. Various structured polymers are prepared and characterized. The structured polymers are particularly valued in the papermaking industry. | 12-17-2009 |
| 526307300 | With monomer containing nitrogen other than (meth)-acrylonitrile | 1 |
| 20150368385 | NOVEL COMB POLYMERS WHICH CAN BE USED IN COSMETICS AND DETERGENTS - A water-soluble copolymer comprising, by mass relative to the total mass of the copolymer:
| 12-24-2015 |
| 526307400 | With monomer containing oxygen | 5 |
| 526307500 | Oxygen atom is part of ether or hydroxyl group | 2 |
| 20090069522 | HYDROPHOBICALLY MODIFIED POLYMERS - This invention pertains to composition comprising one or more hydrophobically modified polyacrylamides, wherein the polyacrylamides contain acrylamide, one or more anionic monomers, and excludes a cationic monomer, and a method of using the composition for consumer and/or industrial applications. | 03-12-2009 |
| 20130211028 | ACRYLIC POLYMER FOR USE IN PRESSURE-SENSITIVE ADHESIVE COMPOSITION FOR TOUCH SCREEN PANEL - An object of the invention is to provide a pressure-sensitive adhesive sheet. Provided is an acrylic polymer for use in a pressure-sensitive adhesive composition for a touch screen panel, the acrylic polymer being obtained by copolymerizing monomer components comprising (a) a (meth)acrylic acid ester monomer having a C | 08-15-2013 |
| 526307600 | Oxygen atom is part of carboxylic acid group | 2 |
| 20090292095 | PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET TO BE ATTACHED TO METAL SURFACE - The present invention relates to a pressure-sensitive adhesive composition used for a pressure-sensitive adhesive sheet to be directly attached to a metal surface, the composition including, as a base polymer, an acrylic copolymer obtained by polymerizing a monomer mixture, the monomer mixture including: at least one monomer (monomer m1) selected from alkyl(meth)acrylates represented by the formula (I): CH | 11-26-2009 |
| 20150353664 | Multivalent Polymers for Clay Aggregation - The disclosure relates generally to the use of polymers to assist in aggregating mineral components in aqueous mineral slurries to release and separate individual components of the slurry, which may then be recovered from the slurry. | 12-10-2015 |
| 526307700 | Oxygen atom is part of ester group derived from unsaturated carboxylic acid | 1 |
| 20130144023 | ACRYLIC COPOLYMER WITH HIGH HEAT RESISTANCE AND HIGH STRENGTH, AND OPTICAL FILM COMPRISING THE SAME - The present invention relates to an acrylic copolymer having high heat resistance and high strength, and an optical film comprising the same, and more particularly, to an acrylic copolymer for optical films in which alkyl (meth)acrylate monomers; (meth)acrylate monomers comprising aromatic rings and/or aliphatic rings; and (meth)acrylamide monomers are included and polymerized. An acrylic copolymer according to the present invention is excellent in heat resistance while maintaining transparency. Further, an optical film comprising a compound resin including the acrylic copolymer has superior transparency and heat resistance and is excellent in formability, adhesion, retardation properties, and durability. | 06-06-2013 |
