| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 526193000 | Material contains organic compound having a phosphorus atom | 18 |
| 20080200626 | Methods For Oligomerizing Olefins With Chromium Pyridine Thioether Catalysts - The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a chromium based catalyst under oligomerization conditions. The catalyst can be the product of the combination of a chromium compound and a pyridyl thioether compound. In particular embodiments, the catalyst compound can be used to trimerize or tetramerize ethylene to 1-hexene, 1-octene, or mixtures of 1-hexene and 1-octene. | 08-21-2008 |
| 20080262177 | Process for producing fluoroelastomers - A novel emulsion polymerization process for the production of fluoroelastomers is disclosed wherein the dispersing agent is a phosphate ester anionic surfactant of the formula [CH | 10-23-2008 |
| 20090186997 | PROCESS FOR PRODUCING FLUOROELASTOMERS - An emulsion polymerization process for the production of fluoroelastomers is disclosed wherein at least one fluorosurfactant is employed as dispersant, said fluorosurfactant being a fluoroalkylphosphoric acid ester of the formula X—Rf—(CH | 07-23-2009 |
| 20100137534 | METHOD FOR PREPARING MICROGEL PARTICLES BY CONTROLLED RADICAL POLYMERIZATION IN AN AQUEOUS DISPERSION USING NITROXIDE CONTROL AGENTS - The invention relates to a method for preparing microgel particles according to a method of controlled radical polymerization in an aqueous dispersion using particular control agents of the nitroxide type. Use in the biomedical field, and in the field of agrochemistry, cosmetics, surface coatings. | 06-03-2010 |
| 20110040053 | POLYSILOXANE, ACRYLIC COMPOUND AND VINYLIC COMPOUND - A polysiloxane includes a structural unit in which a functional group represented by a general formula of | 02-17-2011 |
| 20110201771 | BIOSYNTHESIS OF POLYISOPRENOIDS - The synthetic production of cis-1,4-polyisoprene and other cis-1,4-polydienes is achieved by adding isoprene or other diene monomers to a natural rubber latex or washed rubber particles and utilizing various allylic pyrophosphate compounds. The natural rubber latex or washed rubber particles inherently contain an enzyme catalyst and desirably divalent metal cofactors therein and the polymerization can occur over a relatively wide temperature range. The process is believed to be a living carbocationic polymerization. The in vitro produced natural rubber polymers can contain from about 5 to about 30,000 repeat units and are essentially free of non-enzyme catalysts. The invention can be utilized to synthesize polyisoprenoids and precursors to form terpenes, vitamins, steroids, alkaloids, and the like. | 08-18-2011 |
| 20120016095 | a-(UNSATURATED ALKOXYALKYL) ACRYLATE COMPOSITION AND PROCESS FOR PRODUCTION THEREOF - An α-(unsaturated alkoxyalkyl)acrylate composition is provided which enables an α-(unsaturated alkoxyalkyl)acrylate product to be stored at a high purity for an extended period of time and can fully suppress problems such as coloration and gelation from arising during polymerization, and also a method of preparing α-(unsaturated alkoxyalkyl)acrylate compositions for enabling to obtain industrially α-(unsaturated alkoxyalkyl)acrylates safely in a high purity is also provided. | 01-19-2012 |
| 20120157640 | PROCESS FOR PRODUCING FLUORINATED COPOLYMERS OF (METH)ACRYLATES AND (METH)ACRYLIC ACID AMINE COMPLEXES - A process for producing copolymers of (meth)acrylates:(meth)acrylic acid amine complexes useful for hard surfaces having increased performance for stain resistance, oil and water repellency properties. | 06-21-2012 |
| 20120208971 | METHOD FOR THE PRODUCTION OF HOMO- OR COPOLYMERS - Preparation of homo- or copolymers, especially of high-reactivity isobutene homo- or copolymers with a number-average molecular weight M | 08-16-2012 |
| 20120238715 | ISOOLEFIN POLYMERS AND PROCESS FOR PREPARING THE SAME - The present invention relates to isoolefin polymers and process for preparing the same. The present invention especially discloses a polymerization process for the cationic polymerization of isoolefin monomers in an aqueous reaction medium, and isoolefin polymers obtained by such process. In one embodiment, the present invention relates to a polymerization process for the cationic polymerization of isoolefin monomers in an aqueous reaction medium, and isoolefin polymers obtained therefrom. In another embodiment, the present invention relates to a dispersion polymerization process for the cationic copolymerization of isoolefins with conjugated or non-conjugated diolefins and/or vinyl aromatic compounds, and copolymers obtained therefrom. | 09-20-2012 |
| 20130005923 | PROCESS FOR GAS-PHASE POLYMERIZATION HAVING HIGH BED BULK DENSITY - The present invention relates to an improvement for gas-phase olefin polymerization process having relatively high bed bulk density. The improvement involves the use of mixed external electron donors when polymerizing propylene in a gas-phase reactor having a polymer bed with a bulk density greater than 128 kg/m | 01-03-2013 |
| 20130079479 | CATALYSIS OF CROSS-LINKING - Disclosed is use of catalysts for chain extension and/or cross-linking of oligomers or polymers comprising carbon-carbon triple bonds. | 03-28-2013 |
| 20130109819 | REGULATOR MOLECULE | 05-02-2013 |
| 20130267668 | POLYMERIZATION OF FLUORINATED VINYL MONOMERS IN A BIPHASIC REACTION MEDIUM - An improved process for polymerization of a fluorinated vinyl monomer to produce a fluorinated polymer is described. The polymerization process comprises the free radical polymerization of a fluorinated vinyl monomer in a biphasic reaction medium, which comprises an ionic liquid containing a fluorinated vinyl monomer and an aqueous solution comprising a water-soluble free radical initiator. The ionic liquid is used to store quantities of the vinyl monomer, due to the high solubility of the vinyl monomer in the ionic liquid, thereby reducing the pressure required for the polymerization. | 10-10-2013 |
| 20130345380 | NOVEL INITIATION PROCESS FOR POLYMERIZATION WITH ACTIVATION USING IONIC LIQUIDS - The present invention relates to an innovative polymerization technique for (meth)acrylates and styrenes, in which the polymerization is initiated by isocyanates and special bases with imine structure and is activated/accelerated by addition of ionic liquids. With this new technique, which can be employed selectively, it is also possible to produce high molecular weight poly(meth)acrylates with in some cases narrow molecular weight distribution. | 12-26-2013 |
| 20140303334 | CATALYST FOR LIVING RADICAL POLYMERIZATION AND POLYMERIZATION METHOD - A nonmetallic compound having an ionic bond with a halide ion is used as a catalyst for living radical polymerization. Even if a radical initiator is not used, a monomer can be subjected to a radical polymerization to obtain a polymer having narrow molecular weight distribution. The cost of the living radical polymerization can be remarkably reduced, and it is made possible to prevent adverse effects of using a radical initiator (such as side reactions). The present invention is significantly more environmentally friendly and economically excellent than conventional living radical polymerization methods, due to advantages such as low toxicity of the catalyst, low amount of the catalyst necessary, high solubility of the catalyst, mild reaction conditions, and no coloration/no odor, etc. The catalyst can be applied to various monomers and enables synthesis of high molecular weight polymers. | 10-09-2014 |
| 20140350203 | METHOD FOR PRODUCING NITRILE RUBBER - Disclosed is a method for producing a nitrile rubber comprising adding 0.1 to 5 parts by weight of at least one phosphate emulsifier selected from the group consisting of monoalkyl ether phosphate (MAP) represented by the following Formula 1 and dialkyl ether phosphate (DAP) represented by the following Formula 2, with respect to 100 parts by weight of monomers constituting the nitrile rubber. The method minimizes mold contamination during molding of produced nitrile rubber, eliminates the necessity of any process of removing mold contaminants, improves production efficiency and thus reduces defect rates of final molded articles. | 11-27-2014 |
| 20150073109 | Novel Phosphonate and Phosphonic Acid RAFT Agents and Monomers, Along with Methods of Their Manufacture and Use - An intermediate compound for forming a RAFT agent is provided that can have the formula: | 03-12-2015 |
