| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 526227000 | Material contains peroxy group compound (-O-O-) | 23 |
| 20090018294 | Terminally Iodized Polyfluoroalkane Oligomer and Process for Producing the Same - A terminally iodized polyfluoroalkane oligomer represented by the following general formula: | 01-15-2009 |
| 20090156769 | FUNCTIONALIZED MONOMERS AND FUNCTIONALIZED RUBBERY POLYMERS MADE THEREWITH - Rubbery polymers can be formed having the general formula: | 06-18-2009 |
| 20090198029 | N-VINYL CYCLIC LACTAM POLYMER, PRODUCTION METHOD THEREOF, AND APPLICATION THEREOF - To provide: an N-vinyl cyclic lactam polymer, which has excellent dispersibility and adsorptivity, and high calcium-ion capturing capability and can be preferably used in, for example, a detergent additive application; an application thereof; and a production method of the N-vinyl cyclic lactam polymer, the production method being capable of efficiently producing such an N-vinyl cyclic lactam polymer. An N-vinyl cyclic lactam polymer produced by a polymerization of a monomer component containing a carboxyl group-containing unsaturated monomer with a polymer having an N-vinyl cyclic lactam unit, wherein the carboxyl group-containing unsaturated monomer is 200 to 9900 parts by weight, relative to 100 parts by weight of the polymer having an N-vinyl cyclic lactam unit, and the N-vinyl cyclic lactam polymer has a viscosity at 25° C. of 100000 mPa·s or less in an aqueous solution with a solid content of 25% by weight. | 08-06-2009 |
| 20100093961 | FREE RADICAL INITIATOR SYSTEM AND A HIGH PRESSURE, FREERADICAL POLYMERIZATION PROCESS FOR PRODUCING A LOW DENSITY POLYETHYLENE POLYMER - The instant invention is a free radical initiator system, and a high pressure, free radical polymerization process for producing a low density polyethylene polymer. The free radical initiator system according to instant invention includes at least one peroxide initiator, at least one hydrocarbon solvent, and at least one polar co-solvent. The high pressure, free radical polymerization process for producing a low density polyethylene polymer includes the steps of polymerizing ethylene and optionally at least one comonomer under high pressure conditions using a free radical initiator system comprising at least one peroxide initiator, at least one hydrocarbon solvent, and at least polar co-solvent. | 04-15-2010 |
| 20100113726 | PEROXIDE COMPOSITION - The invention pertains to a peroxide composition comprising, based on the total weight of the composition: a) 10-90 wt % of an organic peroxide; b) 90-10 wt % of an organic solvent in which the organic peroxide does not dissolve; and c) optionally additives; wherein the water content is less than 20 wt %. | 05-06-2010 |
| 20110046328 | CONTINUOUS DOSING OF EXTREMELY FAST INITIATORS DURING POLYMERIZATION REACTIONS - The invention pertains to a process wherein initiators having a half-life from 0.0001 hour to 0.05 hour at the polymerization temperature are dosed to a polymerization mixture. The dosing of such initiator allows improved control of the polymerization rate and faster polymerization rates, and the process will render a polymer with very low residual initiator levels. | 02-24-2011 |
| 20110245442 | HYDROPHOBIC ACRYLIC POLYMER MATERIAL FOR AN INTRAOCULAR LENS HAVING ENHANCED FLEXIBILITY DUE TO THE USE OF A TRANSFER AGENT - The material of the invention is obtained by radical polymerisation from a mixture of acrylic and/or methacrylic monomers. The mixture further contains at least one transfer agent, preferably from the thiol family, that substantially enhances the flexibility of the polymer material thus obtained, and reduces the tackiness thereof. The polymer material thus obtained is intended for making ophthalmologic implants, and more particularly, intraocular lenses. | 10-06-2011 |
| 20160200842 | ORGANOSILICON COMPOUND-CONTAINING THERMOSETTING COMPOSITION AND CURED PRODUCT THEREOF | 07-14-2016 |
| 526228000 | Two or more peroxide compounds | 1 |
| 20100298513 | Method for the Production of Water-Absorbing Polymer Particles - A process for continuously producing water-absorbing polymer particles, wherein the monomer stems from at least two different sources and the monomer from one source differs from the monomer from at least one other source in the content of at least one secondary component. | 11-25-2010 |
| 526229000 | Inorganic peroxide, e.g., persulfate, hydrogen peroxide, etc. | 7 |
| 20100029879 | Method and apparatus for controlling contamination from pipe coatings - A combination of a styrene reduction agent and a catalyst that effectively and economically reduces styrene emissions in Cured-In-Place Pipe, closed molding processes. The reduction agent generally comprises a calibrated mixture of salts including sodium chloride plus three persulfate salts: ammonium (APS), potassium (KPS), and sodium (NPS). These ingredients are combined in powder form and are compressed into soluble capsules containing calibrated amounts of the mixture. The capsule(s) may be prescribed through the use of software. The catalyst is hydrogen peroxide (H | 02-04-2010 |
| 20110046329 | PROCESS FOR THE PRODUCTION OF POLYMER MICROPARTICLES - The object of the present invention is to provide a process for producing high-quality polymer microparticles having uniform particle size of the order of several micrometers to tens of micrometers by inverse suspension polymerization at high productivity while keeping excellent dispersion stability without causing aggregation among particles. The process is one for the production of polymer microparticles by inverse polymerization of a vinyl monomer and is characterized in that the inverse suspension polymerization is conducted dividing at least two steps, that a water-soluble oxidizing agent and a water-soluble reducing agent are used as a polymerization initiator, and that the oil-soluble oxidizing agent is fed after the water-soluble reducing agent is fed. | 02-24-2011 |
| 20130317190 | COPOLYMERIZABLE SURFACTANTS - The invention relates to the use of compounds of the formula (I), R—CH(O—(AO) | 11-28-2013 |
| 20140080985 | ACRYLOYLMORPHOLINE POLYMER AND USE THEREOF AND FILTRATE REDUCER FOR DRILLING FLUID - The present invention provides an acryloylmorpholine polymer and the use thereof and a filtrate reducer for drilling fluid. The acryloylmorpholine polymer comprises structural units expressed by formula (1), structural units expressed by formula (2), and structural units expressed by formula (3), wherein, at least a part of the structural units expressed by formula (2) can be bonded with at least a part of the structural units expressed by formula (3) into cross-linked structural unit expressed by formula (4); wherein, R | 03-20-2014 |
| 20160185663 | AMPHOTERIC BETAINE-TYPE POLYCARBOXYLATE SUPERPLASTICIZER AND PREPARATION METHOD THEREOF - An amphoteric betaine-type polycarboxylic acid water reducer and a preparation method therefor are provided in the present invention. An unsaturated betaine-type monomer A and an acrylic acid-type polyethylene glycol monomer B are placed in a reaction container, stirred until uniform and then an acrylic acid-type monomer C is added, the stirring is continued and water is added to make adjustments so as to make the total mass of the monomers account for 10%-20% of the total mass of the aqueous solution; and under the protection of an inert gas, the temperature is raised to 60° C.-100° C., an aqueous initiator solution is added, maintaining the temperature and reacting for 4-6 h, and after the reaction is completed, the solution is cooled to room temperature, and the pH value thereof is adjusted to 5-7 to prepare the amphoteric betaine-type polycarboxylic acid water reducer. | 06-30-2016 |
| 526229500 | Nitrogen- or halogen-containing inorganic -0-0- compound free of sulfur, or wherein an -0-0- compound is in admixture with a compound devoid of sulfur and containing a N, halogen or P atom | 2 |
| 20120004383 | COPOLYMERS OF MONOCARBOXYLIC ACIDS AND DICARBOXYLIC ACIDS, THEIR PREPARATION AND USE - The invention relates to a process for preparing a polymer by free-radical polymerization of at least one ethylenically unsaturated monocarboxylic acid and/or a salt thereof, at least one ethylenically unsaturated dicarboxylic acid and/or an anhydride and/or a salt thereof, in the presence of hypophosphorous acid and/or a salt thereof. The invention also relates to a polymer composition obtainable by this process. The invention also relates to the use of such a polymer composition as detergent additive, e.g. as dispersant, scale inhibitor or sequestrant for laundry detergents. | 01-05-2012 |
| 20150344604 | Method of Preparing Fluoroelastomer Capable of Being Vulcanized by Using Peroxide - A method of preparing a fluoroelastomer capable of being vulcanized by using peroxide, the method comprising: in the presence of an initiator and a chain transfer agent, conducting emulsion polymerization reaction on comonomers to obtain a fluoroelastomer. The preparation method utilizes alkyl iodide RI | 12-03-2015 |
| 526230000 | Hydroperoxide | 1 |
| 20120157647 | Polymeric Compositions and Polymerization Initiators Using Photo-Peroxidation Process - A rubber-modified polymeric composition having predominately core-shell morphology is disclosed. The rubber-modified polymeric composition can be a polystyrene comprising styrene, polybutadiene, and a high-grafting initiator formed by contacting singlet oxygen with an olefin containing an allylic hydrogen or a diene to form a hydroperoxide or peroxide. The singlet oxygen can be formed by contacting ground state oxygen with a photo catalyst, such a photosensitive dye exposed to light. | 06-21-2012 |
| 526230500 | Peroxy carbonate | 3 |
| 20090076234 | PROCESS OF FREE-RADICAL POLYMERIZATION OR CROSSLINKING IN THE PRESENCE OF A SELECTED ORGANIC PEROXIDE PREPARED BY AN EX SITU PROCESS - The invention relates to free-radical polymerization and free-radical cross-linking and more particularly provides a process of free-radical polymerization or cross-linking wherein at least one polymerizable monomer or at least one compound to be cross-linked is contacted in the presence of at least one selected organic peroxides, characterized in that the organic peroxide is prepared continuously by an ex situ process with the aid of a closed plate exchanger. In the process according to the invention, it's possible to introduce the above selected organic peroxide continuously during the polymerization or cross-linking reaction. | 03-19-2009 |
| 20100168355 | ACRYLIC COPOLYMERS WITH HIGH HEAT-RESISTANCE AND PREPARATION THEREOF - An acrylic copolymer with high heat-resistance is provided. The acrylic copolymer includes repeat units of a monomer of Formula (1) and repeat units of a methacrylic monomer derivative: | 07-01-2010 |
| 20160108159 | FLUOROPOLYMER PRODUCTION METHOD - The present invention aims to provide a method of producing a fluoropolymer, especially a fluoropolymer essentially including a tetrafluoroethylene or chlorotrifluoroethylene unit, at a higher polymerization rate with improved efficiency, the method being capable of improving the moldability in extrusion molding and suppressing discoloration. The method of producing a fluoropolymer of the present invention includes producing a fluoropolymer by polymerizing tetrafluoroethylene or chlorotrifluoroethylene in the presence of a peroxydicarbonate. The peroxydicarbonate is represented by the formula: | 04-21-2016 |
| 526231000 | Peroxide contains halogen atom chemically combined therein | 1 |
| 20080306231 | Novel perfluoroalkyl vinyl ether compound, process for preparing copolymer by using the compound, and optical plastic materials comprising copolymer prepared by the process - Disclosed herein are a novel perfluoroalkyl vinyl ether compound, a process for preparing a copolymer by using the perfluoroalkyl vinyl ether compound, and an optical plastic material comprising a copolymer prepared by the process. More specifically, the perfluoroalkyl vinyl ether has a particular molecular structure; the process is performed by copolymerizing the perfluoroalkyl vinyl ether compound with a common fluorinated olefin in the presence of a perfluorinated radical initiator; and, the optical plastic material comprises a copolymer prepared by the process and optionally a dopant. | 12-11-2008 |
| 526232000 | Peroxide contains an aryl group | 1 |
| 20110152487 | PEROXIDE CURED PARTIALLY FLUORINATED ELASTOMERS - Described herein are partially fluorinated elastomers and methods of curing comprising (i) a fluoroelastomer comprising interpolymerized units derived from (a) at least one hydrogen containing monomer and (b) at least one nitrile containing monomer, and (ii) a curing agent, wherein the curing agent consists essentially of a peroxide and a coagent. | 06-23-2011 |
| 526232300 | Two or more peroxy groups in same compound | 1 |
| 20130172501 | POLYMER FOR OPTICAL FILM, METHOD OF PREPARING SAME, AND OPTICAL FILM INCLUDING SAME - A polymer for an optical film that includes a repeating unit A including a repeating unit represented by the following Chemical Formula 1; and a repeating unit B including a repeating unit represented by the following Chemical Formula 2, | 07-04-2013 |
