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| Number | Title | Issue Date |
| 7339007 | Low sediment process for thermally reacting highly reactive polymers and enophiles A process for forming an ene reaction product wherein an enophile, such as maleic anhydride, is reacted with reactive polyalkene having a terminal vinylidene content of at least 30 mol. %, at high temperature in the presence of a free radical inhibitor. The polyalke... | 03/04/2008 |
| 7339002 | Removable, water-whitening resistant pressure sensitive adhesives Removable, water-whitening resistant pressure sensitive adhesive (PSA) comprising a crosslinked aqueous emulsion polymer comprising (a) at least one hydrophobic monomer; (b) at least about 2 wt. % of at least one hydrophilic monomer; and (c) at least about 5 wt. % o... | 03/04/2008 |
| 7273906 | Dip-forming latex, dip-forming composition and dip-formed article A dip-forming latex obtained by copolymerization of (a) 50-89.5 weight parts of a conjugated diene monomer, (b) 10-40 weight parts of an ethylenically unsaturated nitrile monomer, (c) 0.5-10 weight parts of an ethylenically unsaturated acid monomer and (d) 0-20 weig... | 09/25/2007 |
| 7259201 | Flame retardant thermoplastic films and methods of making the same A film can comprise greater than or equal to about 95 wt % thermoplastic resin and about 0.001 wt % to about 5.0 wt % sulfonate salt, based on a total weight of the film, and have a UL-94 rating of VTM-0, wherein the thermoplastic resin is selected from the group co... | 08/21/2007 |
| 7196159 | Process for producing polytrimethylene terephthalate A process for the production of polytrimethylene terephthalate (PTT), wherein the process comprises: (i) one or more esterification steps, wherein terephthalic acid (TPA) or an alkyl diester of terephthalic acid is reacted with 1,3-propanediol (PDO); an... | 03/27/2007 |
| 7183347 | Dip moldings, composition for dip molding and method for producing dip moldings The present invention relates to a dip molding, a composition for dip molding, and a method for producing a dip molding. The dip molding is molded from a conjugated diene based rubber latex, crosslinked by a water-soluble multivalent metal salt, and contains substan... | 02/27/2007 |
| 7173085 | Salt sensitive aqueous emulsions This invention relates to aqueous emulsions comprising a water-dispersible copolymer which is non-dispersible in aqueous solutions containing 0.5% or more of an inorganic salt, comprising acidic ethylenically unsaturated monomers and ethylenically unsaturated monome... | 02/06/2007 |
| 7164046 | Manufacture of polytrimethylene ether glycol The present invention relates to a process of manufacture of polytrimethylene ether glycol, in which one or more inorganic compounds selected from an inorganic salt and an inorganic base is utilized during certain purification steps to reduce phase separation time. | 01/16/2007 |
| 7161045 | Process for manufacture of polytrimethylene ether glycol A process of manufacture of polytrimethylene ether glycol comprising: (a) polycondensing reactant comprising diol selected from the group consisting of 1,3-propanediol, 1,3-propanediol dimer and 1,3-propanediol trimer or mixtures thereof in the presence of ac... | 01/09/2007 |
| 7122610 | Method of producing thermoplastic fluoropolymers using alkyl sulfonate surfactants Nonfluorinated surfactants selected from C7–C20 linear 1-alkanesulfonates, 2-alkanesulfones, and 1,2-alkanedisulfones are particularly effective for stabilizing emulsions in preparing non-elastomeric fluoropolymers containing at least 71 wt % vinylidene fluoride a... | 10/17/2006 |
| 7118603 | Process for the preparation of a formaldehyde-free synthetic tanning agent A process for the preparation of a synthetic tanning agent is disclosed whereby multi functional polymer is polymerized with sulfonated aromatic compound, pretreated with organic ligand to form an organo-polymeric matrix, which is essentially formaldehyde-free. The ... | 10/10/2006 |
| 7115682 | Removable, water-whitening resistant pressure sensitive adhesives Removable pressure sensitive adhesive compositions having enhanced resistance to water-whitening comprising a crosslinked aqueous emulsion polymer are disclosed. The crosslinked aqueous emulsion polymer comprises (a) at least one hydrophobic monomer; (b) greater tha... | 10/03/2006 |
| 7101927 | Latex obtainable by a gradient regime reaction A latex having a reduced amount of 4-phenylcyclohexene is obtainable by reacting A) 30–90% by weight of at least one ethylenically unsaturated monomer; B) 70–10% by weight of a diene; C) 1–10% by weight of α,β-unsaturated carboxylic acids, carboxylic acid ni... | 09/05/2006 |
| 7091306 | Process for preparing polyalkenylsuccinimides The present invention relates to an improved process for preparing polyalkenylsuccinimides having a sediment level less than 0.1 vol % comprising the steps of: (a) preparing a polyalkenyl derivative of an unsaturated acidic reagent... | 08/15/2006 |
| 7091284 | Hydrogenated nitrile rubbers with improved low-temperature properties Hydrogenated copolymers of an unsaturated nitrile, butadiene and isoprene, wherein the molar ratio of butadiene to isoprene is less than 3:1, display valuable low temperature properties. ... | 08/15/2006 |
| 7087558 | Process for reacting large hydrophobic molecules with small hydrophilic molecules A process for reacting relatively small hydrophilic carboxylic molecules with relatively large, hydrophobic hydrocarbon based molecules, said process comprising conducting the reacting in the presence of a sulfonic acid catalyst having solubilizing properties. In a ... | 08/08/2006 |
| RE39182 | Process for the preparation of thermally stable polyoxymethylene copolymers A process for the preparation of polyoxymethylene copolymers, wherein 1,3,5-trioxane is polymerized with generally known comonomers in the presence of a strong protonic acid initiator and in the presence of a formaldehyde dialkyl acetal, and wherein the initiator is... | 07/11/2006 |
| 7041744 | Method for cross-linking a polymer article The present invention relates to a method for cross-linking a polymer article which comprises a cross-linkable polymer with hydrolyzable silane groups and a crystallinity level of at least 30%. The cross-linking is performed in the presence of a silanol condensation... | 05/09/2006 |
| 7019042 | Thixotropic agent that can be activated using actinic radiation, a method for its production and the use thereof A novel thixotropic agent comprising urea crystals which comprises at least one compound containing at least one functional group having at least one bond which can be activated with actinic radiation; a novel process for preparing a thixotropic agent comprising ure... | 03/28/2006 |
| 6977282 | Preparation of dicyclopentadiene-containing unsaturated polyesters A process for making dicyclopentadiene (DCPD)-containing polyesters is disclosed. The process comprises reacting 2-methyl-1,3-propanediol with maleic anhydride to form an acid terminated prepolymer and then reacting the prepolymer with a low grade DCPD to form DCPD-... | 12/20/2005 |
| 6933351 | Process for forming polyalkenyl acylating agents A process for producing polyalkenyl acylating agent, wherein, upon completion of the thermal reaction of a polyalkene and an unsaturated mono- or dicarboxylic acid or anhydride compound, the reaction mixture is allowed to cool to below the reaction temperature, an a... | 08/23/2005 |
| 6870001 | Emulsifier mixture for emulsion polymerization An emulsifier mixture comprising an emulsifier I of the formula in which X is O, S, CH2, NH or NR7, one or two of the radicals R1 to R6 are a group S... | 03/22/2005 |
| 6858573 | Anionic surfactants An anionic surfactant of the formula (I): R2—Y—(O)C—(HR)C—C(HR1)—C(O)—(OA)n—X wherein one of R and R1 is a C6 to C22 linear or branched alkyl or alkenyl, and the other is hydrogen; Y is ... | 02/22/2005 |
| 6706808 | Binder compositions exhibiting reduced emissions The presently disclosed invention relates to a phenolic binder comprising a premix of a urea modified phenol-formaldehyde resole resin, a curing agent, and an additive selected from the group consisting of ammonium lignosulfonate, melamine and a melamine derivative.... | 03/16/2004 |
| 6699545 | Method for increasing solid state polymerization rate of polyester polymers This invention concerns a method for increasing the polymerization rate of polyester polymers in the solid state by adding a catalytic amount of zinc p-toluenesulfonate to a polyester polymer melt that is essentially free of antimony and germanium, before... | 03/02/2004 |
| 6590030 | Anionic alkoxylate surfactant This invention relates to an anionic alkoxylate surfactant of formula (I), where R is a di- or tri-unsaturated C4-22 straight or branched hydrocarbon chain, at least two double bonds of said unsaturated chain being conjugated and exhibiting opp... | 07/08/2003 |
| 6489387 | Water whitening-resistant pressure-sensitive adhesives Acrylic emulsion PSA polymers which when cast as a film resist water whitening by hot or ambient temperature water are provided, and are formed by copolymerizing a monomer mixture comprising at least one alkyl acrylate ester of an alcohol containing at le... | 12/03/2002 |
| 6465568 | Anionic and cationic silicone emulsions Emulsions and microemulsions containing particles of siloxane polymers are prepared by an emulsion polymerization process involving (i) the formation of a mixture by combining a siloxane oligomer, an ionic surfactant, no nonionic surfactant, and water; (i... | 10/15/2002 |
| 6433114 | Method of producing polyetherester monomer and cement dispersants Polyetherester monomers of a high quality are produced by causing an esterification reaction of polyalkyleneglycol with a closed end of a specified kind which has been refined so as to contain residual free acid by less than 0.03 weight %, as converted to... | 08/13/2002 |
| 6417266 | Process for preparing aliphatic polyester A process for producing aliphatic polyester wherein a crystallized aliphatic polyester prepolymer formed from an aliphatic dihydric alcohol and an aliphatic dicarboxylic acid and having a weight-average molecular weight of 2,000 to 100,000 is caused to un... | 07/09/2002 |
| 6346324 | Cis-bridged metal complexes and catalyst systems containing the same Disclosed is a cis-bridged metal complex of the formula (I) ##STR1## where R5 is an electron-withdrawing radical, and catalyst systems based on these complexes for copolymerizing carbon monoxide and olefinically unsaturated compounds.... | 02/12/2002 |
| 6319980 | Method for preparing organic silicon compound emulsion An organic silicon compound emulsion for quickly imparting excellent water-repellent properties to the surfaces of porous inorganic base materials such as concrete, mortar, and masonry. The emulsion is prepared by the steps of emulsifying a mixture consis... | 11/20/2001 |
| 6316541 | Method for making polysiloxane emulsions A method for making oil free polysiloxane standard, fine and microemulsions using emulsion polymerization is disclosed. The method comprises reacting a cyclicsiloxane in the presence of a catalyst, ionic surfactant and nonionic surfactant within a certain... | 11/13/2001 |
| 6310132 | Sizing agents for paper This invention relates to novel aqueous emulsion polymers obtained by free-radical initiated addition polymerization of at least one monomer in the presence of degraded starch and at least one polymeric emulsifier from the series of sulfo-containing malei... | 10/30/2001 |
| 6297316 | Bipopulated latex of polymers based on vinyl chloride, processes for the production thereof and application thereof in plastisols exhibiting improved rheology The present invention relates to a latex containing two populations of particles of polymers based on vinyl chloride. Other subjects of the present invention are processes for producing this latex and its use in the manufacture of fluid plastisols which a... | 10/02/2001 |
| 6291019 | Method for damping noise, vibration and harshness of a substrate A method for damping vibration of a substrate comprises the step of applying a liquid material onto the substrate in an ambient environment, wherein, after application to the substrate, the material cures substantially instantaneously in the ambient envir... | 09/18/2001 |
| 6252013 | Method for making siloxane copolycarbonates A melt condensation polymerization process for preparing siloxane copolycarbonates is provided. The process includes reacting an aromatic dihydroxy compound, carbonic acid diester, hydroxyaryl terminated polydiorganosiloxane and catalyst with a salt.... | 06/26/2001 |
| 6245852 | Preparation of organopolysiloxane emulsion A stable organopolysiloxane emulsion is briefly prepared by emulsifying and dispersing a low molecular weight organopolysiloxane (A) in water in the presence of an organic sulfonic acid or organic sulfate anionic surfactant (B) to form an initial emulsion... | 06/12/2001 |
| 6211259 | Low volatile reinforcing system The present invention includes new compositions for making polyurethane and polyurethane foam compositions. These compositions comprise the reaction product of an isocyanate A-Side and a B-Side comprising: (i) a polyol having a molecular weight of about 1... | 04/03/2001 |
| 6203720 | Low MFT and high Tg , internally plasticizing, and low voc latex compositions Novel latex or emulsion compositions containing internally plasticizing and crosslinkable monomers derived from traditional semi-drying or non-drying oils are disclosed and claimed. The monomers are ethylenically unsaturated esters of long-chain olefinic ... | 03/20/2001 |
