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| Number | Title | Issue Date |
| 7595369 | Method of polymerizing cyclic olefins and vinyl olefins, copolymer produced by the method and optical anisotropic film comprising the same A method of copolymerizing cyclic olefins and polar vinyl olefins, a copolymer produced by the method, and an optical anisotropic film including the copolymer are provided. According to the copolymerization method, a cyclic olefin and a polar vinyl olefin can be eff... | 09/29/2009 |
| 7402646 | Polymerization of diisopropenylbenzene Processes for preparing substantially linear polymers from diisopropenylbenzenes are provided. The polymers are useful in making a variety of products, including coatings, pigment dispersing agents, and stabilizers. ... | 07/22/2008 |
| 7399814 | Living radical polymerization method A highly active and environment-friendly catalyst for use in a living radical polymerization is provided. A catalyst for use in a living radical polymerization method is provided. The catalyst comprises a central element, which is selected from germanium, tin... | 07/15/2008 |
| 7319083 | Polymerized catalyst composition A composition is provided that includes a product of combining, in the presence of a free radical initiator a catalyst precursor and at least one monomer wherein the monomer and the catalyst precursor are poiymerizable by free-radical polymerization and wherein the ... | 01/15/2008 |
| 7238752 | High molecular weight cationic polymers obtained by post-polymerization crosslinking reaction The molecular weight of cationic polymers, such as diallyldialkyl ammonium chloride, can be increased by controlled addition of a water-soluble radical initiator at an elevated reaction temperature with agitation to prepare high molecular weight, crosslinked, water-... | 07/03/2007 |
| 7205369 | High molecular weight cationic polymers obtained by post-polymerization crosslinking reaction The molecular weight of cationic polymers, such as diallyldialkyl ammonium chloride, can be increased by controlled addition of a water-soluble radical initiator at an elevated reaction temperature with agitation to prepare high molecular weight, crosslinked, water-... | 04/17/2007 |
| 7119155 | Polymerized catalyst composition II Copolymerization of Ni(II) phenol imine complexes containing olefinic substituents on aryl groups with styrene in the presence of a radical initiator results in polymerized late transition metal catalysts which can be used for olefin polymerization or oligomerizatio... | 10/10/2006 |
| 7098280 | Controlled polymerization The present invention discloses an emulsion polymerization process that comprises: (1) preparing an aqueous polymerization medium which is comprised of (a) at least one monomer, (b) a polymerization control agent, and an emulsifier, wherein the emulsifier is prepare... | 08/29/2006 |
| 7091293 | Stereoregular polar vinyl polymers and methods of making the same The polymerization of polar vinyl monomers in the presence of Lewis acids produces stereoregular vinyl polymers. Polar vinyl monomers may be mixed with Lewis acids to form associations or complexes between the monomers and Lewis acids. The mixtures or monomer-Lewis ... | 08/15/2006 |
| 7071270 | Method for obtaining polybutadiene-based aqueous dispersions The invention relates to a method for preparing butadiene-based aqueous dispersions in the presence of at least one azocarboxylic acid ester. ... | 07/04/2006 |
| 7009011 | Copolymers of maleic anhydride by stable free redical polymerization A stable free radical process for preparing a polymer having acid anhydride functionality includes heating a mixture comprised of a stable free radical agent, maleic anhydride or derivative thereof, and at least one polymerizable electron donor monomer to initiate e... | 03/07/2006 |
| 6992156 | Controlled polymerization The present invention discloses an emulsion polymerization process that comprises: (1) preparing an aqueous polymerization medium which is comprised of (a) at least one monomer, (b) a polymerization control agent, and an emulsifier, wherein the emulsifier is prepare... | 01/31/2006 |
| 6958368 | Cure accelerators for anaerobic curable compositions The present invention relates to new cure accelerators for anaerobic curable compositions. These anaerobic cure accelerators are generally sulfinimides and oxygen and sulfur derivatives thereof, sulfonimides and oxygen and sulfur derivatives thereof, sulfonamides an... | 10/25/2005 |
| 6852812 | Latex having a high solids content and a low viscosity and exhibiting a bimodal distribution A process is presented for the preparation of a latex by the emulsion polymerization at a temperature of between 30 and 90 C. of at least one ethylenically unsaturated monomer in the presence of at least one surfactant and of a seed of polymer particles with a diame... | 02/08/2005 |
| 6835762 | Cure accelerators for anaerobic curable compositions The present invention provides a new class of materials effective as cure accelerators for anaerobic curable compositions. The addition of these materials into anaerobic adhesives as a replacement for conventional curatives, such as acetyl phenyl hydrazine and malei... | 12/28/2004 |
| 6784224 | Paste-like polymerizable composition A paste-like polymerizable composition in which two or three pastes are intimately mixed with each other to polymerize, the pastes do not gel and their polymerization curing times being stable, even when the pastes before the polymerization are preserved for a long ... | 08/31/2004 |
| 6569968 | Polymer of a water-soluble radical-polymerizable monomer, process for producing the polymer and flocculant comprising the polymer A process for producing a polymer of a diallylalkylammonium halide which comprises polymerizing the diallylalkylammonium halide in the presence of a polymerization initiator in an aqueous solution containing a nitroxy radical.... | 05/27/2003 |
| 6559254 | Method of producing a vinyl acetate polymer and its saponification product The invention provides a process for producing a saponified vinyl acetate polymer (a saponified ethylene-vinyl acetate copolymer in particular) which features a minimum of coloration of molding pellets, a well-inhibited emanation of an odor in melt-moldin... | 05/06/2003 |
| 6518364 | Emulsion living-type free radical polymerization, methods and products of same Heterogeneous (e.g., emulsion) polymerization systems include a control agent that has a nitrogen-nitrogen bond covalently bonded to a thiocarbonyl moiety for living-type free radical polymerization of a wide variety of monomers. These control agents prov... | 02/11/2003 |
| 6509428 | Radical polymerization in the presence of several stable free radicals The invention relates to a process for the radical polymerization of at least one monomer in the presence of at least two stable free radicals of different natures. The use of two different stable free radicals is reflected by a higher productivity than t... | 01/21/2003 |
| 6262205 | Radical-polymerizable multicomponent mixtures storable in the absence of air and their use The process of curing a radical-polymerizable multicomponent mixture containing an olefinically-unsaturated compound with ambient air by adding to the mixture an alkyl, cycloalkyl or aryl hydrazone of an aliphatic, cycloaliphatic or aromatic aldehyde or k... | 07/17/2001 |
| 6174977 | Cold curable resin composition and base material coated with the same Disclosed is a cold curable resin composition comprising at least a block copolymer in which a polymer portion having an epoxy group, a hydroxyl group and a hydrolytic silyl group and a polyorganosiloxane portion exist in the same molecular chain. A base ... | 01/16/2001 |
| 6166160 | Process for making deodorized rubbery polymer There is a need for odorless rubbery polymers that offer high heat resistance, ultraviolet light resistance and low fogging characteristics. For instance, rubbery polymers of this type are needed by the automotive and construction industries. The deodoriz... | 12/26/2000 |
| 6028139 | Ethylene/vinyl acetate latex binders and paints prepared with surface-active initiators The invention is directed to aqueous coating compositions which are freeze-thaw stable in the absence of conventional volatile coalescing solvents and volatile freeze-thaw (F/T) additives and which utilize a latex binder which contains an EVA thermoplasti... | 02/22/2000 |
| 6013750 | Aerobic adhesive The invention pertains to an aerobically curing composition comprising free-radical polymerizable compounds, an activator system, and optionally conventional additives, characterized in that said composition contains as said free-radical polymerizable com... | 01/11/2000 |
| 5945492 | Graft polymers with controlled viscosity The present invention relates to a process for the preparation of graft thermoplastic polymers in which at least one thermoplastic polymer (A) is grafted with a functional monomer in the presence of a substance which inhibits or reduces the crosslinking o... | 08/31/1999 |
| 5854365 | Toner for developing electrostatic image and method of manufacturing resin composition The present invention relates a toner for developing electrostatic images, comprising: a resin composition, which contains a binder resin and low molecular weight wax, and a coloring agent, wherein the binder resin does not substantially contain insoluble... | 12/29/1998 |
| 5684103 | Color stable dental restorative materials In a polymerizable dental restorative resin composition useful as a dental composite resin and/or a denture/denture base material comprising at least one binder resin, a diluent monomer, at least one filler, optionally, a photopolymerization system compri... | 11/04/1997 |
| 5668229 | Process for preparing high-molecular weight acrylamide polymer A process for preparing an acrylamide polymer is herein disclosed which comprises the step of initiating polymerization in the presence of an oxidation-reduction system polymerization initiator comprising two or more kinds of oxidizing agents and a reduci... | 09/16/1997 |
| 5663252 | Process for preparing a branched polymer from a vinyl aromatic monomer A free radical polymerization process for producing a branched polymer from a vinyl aromatic monomer comprising polymerizing a vinyl aromatic monomer in the presence of a free radical initiator of the formula: ##STR1## wherein R is H, alkyl, or aralk... | 09/02/1997 |
| 5629394 | Direct synthesis by living cationic polymerization of nitrogen-containing polymers A method is provided for the direct synthesis by living cationic polymerization of novel polymeric materials functionalized with desirable nitrogen-containing functional groups such as terminal azido, cyano, carbonylamino, cyanato, thiocyanato or thiocarb... | 05/13/1997 |
| 5610249 | Process for production of styrene or styrene derivative polymer of narrow molecular weight distrubition The present invention provides a process for producing a styrene or styrene derivative polymer of narrow molecular weight distribution, which comprises (co)polymerizing a styrene or styrene derivative monomer using, as the catalyst system, a mixture of a ... | 03/11/1997 |
| 5556922 | Dispersions for pressure sensitive adhesives containing alkyl (meth) acrylates A method for preparing a dispersion for a pressure sensitive adhesive is provided, wherein the dispersions contain a copolymer (CP) having units of butyl acrylate and (meth)acrylic acid, the method involving the steps of polymerizing an aqueous emulsion (... | 09/17/1996 |
| 5444135 | Direct synthesis by living cationic polymerization of nitrogen-containing polymers A method is provided for the direct synthesis by living cationic polymerization of novel polymeric materials functionalized with desirable nitrogen-containing functional groups such as terminal azido, cyano, carbonylamino, cyanato, thiocyanato or thiocarb... | 08/22/1995 |
| 5434230 | Composition containing olefinically unsaturated compounds and hydrazones Compositions containing a radical-polymerizable olefinically unsaturated compound and a hydrazone of an aromatic aldehyde or ketone are provided. Also provided are methods for the production of such compositions and methods for the use of such composition... | 07/18/1995 |
| 5422408 | Polymerization of diallyldialkyl ammonium halide compounds with azo compound and inorganic salt The present invention provides a process for polymerizing diallyldialkyl ammonium compounds to produce polymers with increased molecular weight in which the polymerization is carried out in an aqueous medium containing an inorganic salt and a water solubl... | 06/06/1995 |
| 5362827 | Solution process for preparation hydrophobically functionalized cationic polymers (C-2691) This invention provides a process for preparing novel hydrophobically associating polymers containing cationic functionality which are useful for clean-up of waste waters containing organic contaminants. These water soluble polymers contain both water sol... | 11/08/1994 |
| 5336745 | Terminally-substituted polymeric compositions from cationically polymerizable monomers and initiators A method is provided for the direct synthesis of novel polymeric materials functionalized with desirable nitrogen-containing functional groups such as terminal azido, cyano, carbonylamino or thiocarbonylamino groups. Polymerization and functionalization o... | 08/09/1994 |
| 5296577 | Process for producing acrylamide polymer There is disclosed a process for producing an acrylamide polymer which comprises polymerizing acrylamide monomer alone or a monomer mixture composed of 50 mole % or more of acrylamide monomer and a monomer capable of copolymerizing with acrylamide monomer... | 03/22/1994 |
| 5061767 | Hydrophilic-hydrophobic polymer composites and membranes A polymer composite, a method of making a polymer composite and a polymer composite membrane. The polymer composite comprises a uniform dispersion of hydrophobic polymeric particles in a continuous phase of a hydrophilic polymer. The new method of forming... | 10/29/1991 |
