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| Number | Title | Issue Date |
| 7649067 | Process of making a vinyl ester based polymer latex composition The present invention relates to a vinyl ester based polymer latex composition obtainable by free radical emulsion polymerization in substantial absence of a protective colloid and in the presence of no or small amounts of a surfactant, and to a process of making th... | 01/19/2010 |
| 7411026 | Polymers of ethylene and, optionally, copolymerizable esters, films using such polymers and stretch hood packaging processes using such films Polymers comprising units derived from ethylene, said polymer having: a) a Melt Index of from 0.05 to 20 g/10 min. as determined by ASTM-1238 Condition E; b) at least 10 per 1000 C-atoms of short chain branches, containing five carbon atoms or less, as determined by... | 08/12/2008 |
| 7348382 | Polyvinyl alcohol based block copolymer and pigment dispersion aqueous liquid using the same and recording liquid A recording liquid capable of giving a printed matter which is high in printing density, is suppressed in blur, has high printing quality, and has good fastness of a recorded matter including light fastness, water fastness and the like and having a low viscosity, go... | 03/25/2008 |
| 7323503 | Process for producing ethylene-vinyl alcohol copolymer resin, process for producing pellets and resin pellets A process for producing an ethylene-vinyl alcohol copolymer resin, including feeding EVOH into an extruder, keeping the temperature of the melting resin in the extruder at 70 to 170° C., adjusting the amount of water in the extruder so that the water content right ... | 01/29/2008 |
| 7323239 | Protective films Multilayer protective films that adhere well to many different surfaces and can be removed without leaving residues are provided. The films consist of a polyolefin backing layer(s) and an adhering layer consisting of an ethylene unsaturated ester copolymer layer con... | 01/29/2008 |
| 7279541 | Pressure sensitive adhesives for plasticized PVC backings The invention relates to a polymer synthesized from 0.5 to 30% by weight of vinyl acetate (a), from 0.1 to 10% by weight of monomer containing at least one acid or acid anhydride group (b), from 5 ... | 10/09/2007 |
| 7041731 | Method for producing saponified ethylene-vinyl acetate copolymer This invention provides a method for producing a saponified ethylene-vinyl acetate copolymer in which visible imperfections (particularly fish eyes) of the saponified copolymer is inhibited. In this invention, a mixture solution is prepared by adding water to a meth... | 05/09/2006 |
| 7041738 | Cold flow improvers for fuel oils of vegetable or animal origin The present invention provides an additive for improving the cold flow properties of vegetable or animal fuel oil. The additive comprises A) a copolymer of ethylene and 8–21 mol % of at least one acrylic or vinyl ester having a C1–C1... | 05/09/2006 |
| 7019060 | Low application temperature hot melt adhesive A low application temperature hot met adhesive composition and its use in carton, case or tray formation comprising from about 5 to about 60 weight percent ethylene vinyl acetate with about 30 to about 50 weight percent VA content and having a melt index of about 70... | 03/28/2006 |
| 6949611 | Preparation of ethylene polymers by the high-pressure method A process for preparing ethylene polymers by the high-pressure method comprises dissolving one or more free-radical initiators in one or more ketones of the formula I where R1 and R2 are identical... | 09/27/2005 |
| 6878501 | Polymer, chemically amplified resist composition and patterning process Polymers comprising recurring units of cycloolefin having fluorinated alkyl introduced therein are novel and have transparency and alkali solubility. Using the polymers, resist compositions featuring low absorption of F2 excimer laser light are obtained. | 04/12/2005 |
| 6838517 | Method for producing ethylene-vinyl acetate copolymer and saponified product thereof The present invention provides methods for producing an ethylene-vinyl acetate copolymer and a saponified product thereof that can inhibit visible imperfections (particularly discoloration) at the time of molding by improving the process for recovering vinyl acetate... | 01/04/2005 |
| 6831139 | Method for manufacturing ethylene-vinyl acetate copolymer and apparatus for manufacturing the same The present invention provides a method for manufacturing an ethylene-vinyl acetate copolymer (EVA) in a polymerization solution in a vessel. The polymerization solution includes ethylene, vinyl acetate, methanol and a polymerization initiator. This method includes:... | 12/14/2004 |
| 6809174 | Process for reclaiming residual ethylene in the preparation of vinyl ethylene copolymers A process for preparing copolymers via free-radical-initiated polymerization of one or more vinyl esters, ethylene, and also, where appropriate, other ethylenically unsaturated monomers copolymerizable therewith, at a pressure of from 5 to 100 bar abs., in an aqueou... | 10/26/2004 |
| 6777505 | Method for manufacturing ethylene-vinyl acetate copolymer and apparatus for manufacturing the same The present invention provides a method for manufacturing an ethylene-vinyl acetate that includes: (a) introducing an ethylene containing gas and a vinyl acetate containing liquid into a heat exchanger, said gas including ethylene vaporized from a polymerizat... | 08/17/2004 |
| 6770722 | Process for preparing protective-colloid-stabilized polymers by continuous emulsion polymerization A process for preparing aqueous dispersions or water-redispersible polymer powders of polyvinyl-alcohol-stabilized polymers based on vinyl ester(s), and ethylene, by continuous emulsion polymerization with no seed latex, and optionally drying the dispersion, by ... | 08/03/2004 |
| 6762263 | High-solids coatings resins via controlled radical polymerization Processes for the controlled radical polymerization of acrylic and related polymers to produce improved low VOC coating materials, or powder coating compositions, the novel polymers so produced, the catalyst systems employed, processes for application of the improve... | 07/13/2004 |
| 6762253 | Process for the preparation of ethylene copolymers, and their use as additives to mineral oil and mineral oil distillates The invention relates to a process for the preparation of terpolymers of ethylene and at least 2 further olefinically unsaturated compounds by polymerization in a tubular reactor fitted with at least one side branch, wherein the fresh monomer components, which are i... | 07/13/2004 |
| 6759481 | Shape memory styrene copolymer A shape memory polymer which is a reaction product of styrene, a vinyl compound, a multifunctional crosslinking agent and an initiator. The shape memory polymer has particular application as a contact lens mold. ... | 07/06/2004 |
| 6720390 | Process for crosslinking of acrylic ester copolymers Disclosed is a process for crosslinking copolymers of acrylic esters by converting some of the ester groups to ester or amide groups which contain unsaturation, and then sulfur or peroxide curing the resulting polymers. The resulting crosslinked polymers often have ... | 04/13/2004 |
| 6716934 | Method for producing ethylene-vinyl acetate copolymer, saponified product of copolymer prepared by the method, and molded product containing the same The present invention provides a method for producing an ethylene-vinyl acetate copolymer (EVA) containing 5 mol % to 60 mol % of ethylene, by copolymerizing ethylene and vinyl acetate with a polymerization initiator, in which an aliphatic alcohol having not more th... | 04/06/2004 |
| 6710113 | Process for preparing two-phase polymers in the form of their aqueous dispersions and water-redispersible powders A process for preparing two-phase polymers based on vinyl ester and ethylene in the form of their aqueous polymer dispersions or water-redispersible polymer powders by means of free-radical initiated emulsion or suspension polymerization of one or more vinyl esters ... | 03/23/2004 |
| 6686405 | Process for producing ethylene-vinyl alcohol copolymer resin, process for producing pellets and resin pellets A process for producing an ethylene-vinyl alcohol copolymer resin, including feeding EVOH into an extruder, keeping the temperature of the melting resin in the extruder at 70 to 170° C., adjusting the amount of water in the extruder so that the water con... | 02/03/2004 |
| 6683148 | Method for producing ethylene-vinyl acetate copolymer and saponified product thereof The present invention provides methods for producing an ethylene-vinyl acetate copolymer and a saponified product thereof, in which defective appearances at the time of molding (e.g. fish eye or coloring) can be inhibited while using a recovered solvent. ... | 01/27/2004 |
| 6646082 | Corrosion inhibiting compositions A new class of polymeric corrosion inhibiting compositions incorporating pendant heterocyclic groups which are surprisingly effective copper corrosion inhibitors are disclosed. The polymers form a protective barrier on metallic components to aqueous syste... | 11/11/2003 |
| 6646087 | Method of manufacturing ethylene-vinyl acetate copolymer A method of manufacturing an ethylene-vinyl acetate copolymer is provided which suppresses the formation of scale and gelled product. In a continuous polymerization of ethylene and vinyl acetate in a polymerizing vessel with a cooling jacket and/or coil, ... | 11/11/2003 |
| 6635725 | Method for producing ethylene-vinyl acetate copolymer aqueous emulsion A method for producing an ethylene-vinyl acetate copolymer aqueous emulsion is provided which uses a redox catalyst comprising a transition metal salt and an erysorbic acid and/or an ascorbic acid, as the reducing agent thereof, and 1.8 to 10 mol of hydro... | 10/21/2003 |
| 6627720 | Hyperbranched polymers A method is provided for producing hyperbranched polymers comprising heating a polymerizable reaction charge comprising (a) a monomer mixture comprising 50-99.1% by weight of at least one monoethylenically unsaturated monomer and 0.1-50% by weight of one ... | 09/30/2003 |
| 6562929 | Conjugated diene-based rubber and method of producing the same, oil extended rubber and rubber composition containing the same An objective of the invention is to provide a conjugated diene-based rubber having a specific composition and a method of producing the same, an oil extended rubber using the same, as well as a rubber composition capable of being converted into a vulcaniz... | 05/13/2003 |
| 6531556 | Process for the controlled radical polymerization or copolymerization of ethylene under high pressure in the presence of initiating free radicals and of controlling indoline nitroxide radicals A radical (co)polymerization of ethylene is carried out under high pressure in the presence of at least one initiating free radical (Z.cndot.) and of at least one controlling stable free radical (SFR.cndot.) which comprises the indol... | 03/11/2003 |
| 6441082 | Process for preparing aqueous polymer dispersions Redispersible polymer powders are prepared by emulsion polymerization of ethylenical, unsaturated monomers in the presence of a protective colloidal stabilizer containing 20 to 95 weight percent of polymerized monomers containing sulfonic acid or sulfonat... | 08/27/2002 |
| 6384170 | Hydroxyl-containing ethylene copolymers and fuel oils having an improved lubricating action The invention relates to copolymers of ethylene and at least one further olefinically unsaturated comonomer containing one or more hydroxyl groups. The invention furthermore relates to fuel oils comprising middle distillates containing a maximum of 0.5% b... | 05/07/2002 |
| 6372815 | Ophthalmic lenses and compositions, and methods for producing same Ophthalmic lenses, such as corneal contact lenses, include a lens body made of a composition including a lens body made of a composition including a first crosslinked polymer material which is water swellable, and a second polymeric material, other than t... | 04/16/2002 |
| 6310163 | -olefins and olefin polymers and processes therefor Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal comp... | 10/30/2001 |
| 6262182 | Solution modification of polyolefins The invention enables solution modification of a polyolefin with an unsaturated anhydride, unsaturated acid, or unsaturated ester, with high efficiency without the formation of undesirable impurities resulting from the competing reaction of the solvent wi... | 07/17/2001 |
| 6245851 | Vinyl acetate/ethylene high solids emulsions A continuous emulsion polymerization process consisting of multiple stirred-tanks in series is used to produce a broad particle-size distribution for vinyl acetate-based emulsions utilizing polyvinyl alcohol as a protective colloid. When low-molecular-wei... | 06/12/2001 |
| 6221952 | Aqueous emulsion composition An aqueous emulsion composition is provided that includes, as the dispersoid, a (co)polymer that contains at least one monomer unit selected from ethylenic unsaturated monomers and dienic monomers, and, as the dispersant, (A) a polyvinyl alcohol (co)polym... | 04/24/2001 |
| 6169152 | Olefin polymerization catalyst comprising transition metal compound containing a cyclic ligand having at least two nitrogen atoms in its main chain skeleton An olefin-polymerizing catalyst which comprises (A) a transition metal compound having at least one cyclic amide ligand and (B) an organoaluminum compound and/or an aluminoxane compound with or without (C) an ionic compound, the catalyst component of whic... | 01/02/2001 |
| 6124397 | Vinyl acetate copolymer emulsions stabilized by poly(ethylene glycol)-diepoxide adducts This invention relates to improved vinyl acetate-based polymers which are formed by emulsion polymerizing vinyl acetate and other comonomers under conditions of free radical polymerization. The improvement resides in the stabilizer system, the stabilizer ... | 09/26/2000 |
| 6121400 | Polymers of 3-butene esters, their preparation and use The specification describes various polymers having monomer of formula (I): ##STR1## In formula (I), R1 and R2 are, independently, hydrogen, a C1 -C24 alkyl group, an aromatic or heteroaromatic group, a C3 -C8 | 09/19/2000 |
