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| Number | Title | Issue Date |
| 7053161 | Method for producing organic peroxides and their use in the radical polymerization of monomers A process for producing organic peroxide initiators useful in the polymerization of ethylenically unsaturated monomers. The process for making the organic peroxides includes forming an aqueous emulsion of the organic peroxide. The organic peroxide is dispersed as sm... | 05/30/2006 |
| 6995206 | Methods of preparing latex particulates with reactive functional groups The present invention is drawn to a method of generating functionalized latex particulates in a colloidal suspension. The method can comprise steps of protecting functional groups present on polymerizable monomers with photo labile groups to form protected monomers;... | 02/07/2006 |
| 6995221 | Method for producing organic peroxides and their use in the radical polymerization of monomers A process for producing organic peroxide initiators useful in the polymerization of ethylenically unsaturated monomers. The process for making the organic peroxides includes forming an aqueous emulsion of the organic peroxide. The organic peroxide is dispersed as sm... | 02/07/2006 |
| 6974852 | Emulsifier system for aqueous emulsion polymerization An emulsifier system comprising a) a salt of a sulfuric monoester of a C9-C15 alcohol or of an alkoxylated C9-C15 alcohol, and b) an alkoxylated C8-C16 | 12/13/2005 |
| 6878763 | Free radical polymerization using acidified ethoxylated conjugated fatty ether surfactants The free radical initiated addition polymerization of ethylenically unsaturated, particularly acrylic monomers in which the dispersed phase is stabilised by a surfactant including at least one anionic surfactant compound of the formula (I): R1—(OA)... | 04/12/2005 |
| 6794550 | Method of making an aqueous dispersion of fluoropolymers The invention provides a process for removing steam-volatile fluorinated emulsifiers in their free acid form, from aqueous fluoropolymer dispersions. The process comprises adding a nonionic emulsifier, to the aqueous fluoropolymer dispersion and, at a pH-value of th... | 09/21/2004 |
| 6770719 | Method for producing peroxydicarbonates and their use in the radical polymerization of monomers A process for producing peroxydicarbonates comprising first reacting at least one inorganic peroxide with at least one alkali metal hydroxide to form at least one alkali metal peroxide. The at least one alkali metal peroxide is added to a mixture of at least one hal... | 08/03/2004 |
| 6753382 | Method for preparing acrylonitrile-butadiene-styrene latex having high total solid content The present invention relates to a method of acrylonitrile-butadiene-styrene (ABS) rubber latex, and the acrylonitrile-butadiene-styrene (ABS) latex is prepared by graft-polymerizing butadiene rubber with the monomers of acrlylonitrile and styrene through emulsion-p... | 06/22/2004 |
| 6639027 | Production process for vinyl-based polymer A production process for a vinyl-based polymer is provided. The production process comprises a step for polymerizing a vinyl-based monomer by a radical reaction within an aqueous medium in a polymerization vessel, and a step for supplying a reaction inhib... | 10/28/2003 |
| 6620870 | Contact bonding adhesives Pressure-sensitive adhesives comprising an aqueous polymer dispersions wherein the polymer is composed of from 50 to 99.9% by weight of at least one C1 -C12 alkyl (meth)acrylate (monomers a) from 0.05 to 20% by weight of at least ... | 09/16/2003 |
| 6596804 | Emulsion polymers An emulsion polymer and a method for preparing the emulsion polymer by the free radical polymerization of at least one first ethylenically unsaturated monomer to form a first emulsion polymer and the subsequent treatment of the first emulsion polymer with... | 07/22/2003 |
| 6552091 | Block-copolymeric polyalkylene oxides containing styrene oxide, obtained by alkoxylation, and their use The invention relates to block-copolymeric polyalkylene oxides containing styrene oxide, obtained by alkoxylation, and their use as low-foam pigment wetting agents in aqueous pigment pastes with or without cosolvent and in aqueous and low-solvent coating ... | 04/22/2003 |
| 6534590 | Silicone-grafted vinyl copolymer emulsion composition The present invention provides a highly storage-stable silicone-grafted vinyl copolymer emulsion composition that can produce films and coatings that are highly water repellent, water resistant, adhesive, and printable, the composition including (A) vinyl... | 03/18/2003 |
| 6506856 | Transition metal catalyzed polymerization of olefinic monomers in a water-containing polymerization medium Polymers based on monomers having a C--C double bond and/or C--C triple bond are prepared by polymerization of these monomers in the presence of a catalyst system comprising as active constituents a transition metal compound of an early transition metal and, i... | 01/14/2003 |
| 6482882 | (Co)polymerization process of fluoro-containing monomers for obtaining hydrogen containing polymers Polymerization process of unsaturated pefluoromonomers, fluoro-containing monomers and optionally in the presence of hydrogen containing olefins, for obtaining polymers contaning hydrogen and fluorine, which utilizes a microemulsion comprising the followi... | 11/19/2002 |
| 6469096 | Emulsifiers for high-solids alkyd resin emulsions A water-soluble or water-dispersible polyester B useful as emulsifier for aqueous emulsions of alkyd resins A, wherein the polyester B is obtainable by reacting, under polycondensation conditions, polyhydroxyl components Ba from the class of the sugar alc... | 10/22/2002 |
| 6410605 | Process for preparing emulsion A process for preparing a solid particles-containing emulsion comprising mixing an oil droplets-in-water emulsion with lipophilic solid particles or a dispersion thereof, thereby allowing to include the lipophilic solid particles in the oil droplets. The ... | 06/25/2002 |
| 6407162 | Emulsion polymerization process utilizing ethylenically unsaturated amine salts of sulfonic, phosphoric and carboxylic acids Disclosed is an improved method of making polymers. The method utilizes at least one ethylenically unsaturated monomer and at least one polymerizable surface active agent. The polymerizable surface active agent is capable of co-polymerization with traditi... | 06/18/2002 |
| 6395848 | Polymerization of fluoromonomers Aqueous dispersion polymerization of fluoromonomers is improved by using a combination of fluorosurfactants, one of which is a perfluoropolyether carboxylic acid or sulfonic acid or salt of either.... | 05/28/2002 |
| 6383969 | Process for the preparation of a catalytic composition for the polymerization of alpha-olefins, catalytic composition obtained and polymerization process using such a catalytic composition Disclosed is for the preparation of a catalytic composition for the polymerization of alpha-olefins. The catalyst comprises a compound of a transition metal (i) of Groups 4 to 6 of the Periodic Table, containing at least one possibly substituted cyclopent... | 05/07/2002 |
| 6369118 | Biocompatible emulsifier A biocompatible emulsifier for forming stable emulsions is disclosed. The emulsifier is particularly useful for emulsions of biological fluids, such as artificial blood, and for emulsions as drug delivery vehicles.... | 04/09/2002 |
| 6365774 | Carboxylated surfactants The present invention relates to a (a) dicarboxylated surfactant, (b) a method for its preparation and (c) application in industrial and personal care applications. The compounds of the present invention are made by reacting epoxy succinic acid and a salt... | 04/02/2002 |
| 6362259 | Stabilization of aqueous emulsion polymers Aqueous emulsion polymer compositions stabilized with the reaction product of alkoxylated alcohols and an epihalohydrin or a trihaloalkanes.... | 03/26/2002 |
| 6359092 | Water-whitening resistant latex emulsion pressure sensitive adhesive and its production An aqueous, blush-retardant pressure sensitive adhesive (PSA) is made from an aqueous latex emulsion having an average particle size diameter of not substantially above about 100 nm and emulsified in the presence of an emulsifier consisting essentially of... | 03/19/2002 |
| 6307069 | 1,2 - Dioxolane decomposition reactive emulsifier and polymer-modifying method using the same The decomposition reactive emulsifier of this invention is a compound of formula (I): ##STR1## wherein R1 and R2 are the same or different and each represents an alkyl or alkenyl group of from 1 to 20 carbon atoms or a hydrogen atom ... | 10/23/2001 |
| 6297334 | TFE polymerization process Process for the preparation of tetrafluoroethylene (TFE) polymer-based dispersions having diameter average sizes in the range 0.005-0.06 μm, which comprises: a) preparation of an aqueous perfluoropolyether (PFPE) microemulsion; b) microemulsion feeding into t... | 10/02/2001 |
| 6174963 | Method for producing amphoteric resin having dispersing function Provided is a method for producing an amphoteric resin which comprises reacting (1) a copolymerizable basic prepolymer A2 which is obtained by reacting a prepolymer A1 being obtained by polymerization of an amino group-containing &#x... | 01/16/2001 |
| 6075107 | Use of copolymers of N-vinylprrolidone in preparations of water-insoluble substances The use of copolymers of A) 60-99 mol % of N-vinylpyrrolidone, and B) 1-40 mol % of a monomer selected from the group of b1) C8 -C30 -alkyl esters of monoethylenically unsaturated C3 -C8 -carboxylic acids, b2) N-alkyl- or... | 06/13/2000 |
| 6060164 | Flocculating or viscosifying compositions and their production and use Primary polymer particles having a size at least 90% below 10 μm and which contain water soluble and water insoluble polymer are made by reverse phase polymerisation of a water soluble ethylenically unsaturated monomer or monomer blend with cross linking... | 05/09/2000 |
| 5859144 | Process for producing rubber compound A rubber compound comprising a fluorine rubber component and an acrylic rubber component is produced by adding an acrylic monomer to an aqueous emulsion of fluorine-containing elastomer obtained by emulsion polymerization, using a fluorine-containing surf... | 01/12/1999 |
| 5807923 | Process of emulsion polymerization A process of oil-in-water emulsion polymerisation carried out in the presence of emulsifiers that are polyoxyethylene half ester of vic-dicarboxylic acids which give latices that are stable especially to coagulation by electrolytes, shear and/or freezing ... | 09/15/1998 |
| 5656201 | Aqueous microemulsions comprising functional perfluoropolyethers Perfluoropolyether microemulsions of the oil-in-water or water-in-oil type, consisting of perfluoropolyethers exhibiting an average molecular weight from 1,500 to 10,000, the end groups of which being at least partially of the functionalized type, optiona... | 08/12/1997 |
| 5625021 | Method for the production of plastic particles The invention relates to a method for the production of poly(meth) acrylate particles with a particle diameter of 1-15 μm, where the monomers M are polymerized according to the method of batch polymerization, with 20-50 parts by weight of monomer M in a ... | 04/29/1997 |
| 5599854 | Preparation of butadiene-based impact modifiers An improved process for preparing core/shell MBS modifiers is disclosed, wherein by adding feeds of the monomers which form the second and/or third stage polymers prior to completion of polymerization of the earlier stages, a process with substantially re... | 02/04/1997 |
| 5599870 | Aqueous emulsion The present invention relates to an aqueous emulsion comprising a dispersant of a modified polyvinyl alcohol with an ethylene unit content of 2 to 9 mol % and a degree of hydrolysis of at least 95 mol %, a dispersoid of a polymer of an ethylenically unsat... | 02/04/1997 |
| 5574120 | Process for the preparation of dicarboxylic acid terpolymers for detergents and cleaning agents The preparation of terpolymers by free radical polymerization of an unsaturated dicarboxylic acid with an unsaturated monocarxylic acid and a further saturated monomer which contains no free carboxyl groups, in an aqueous medium, is carried out, according... | 11/12/1996 |
| 5552519 | Rosin ester derivative as surfactants Surfactant obtainable by and method for the production thereof comprising (1) esterifying a rosin with an alcohol to an acid value of less than 30, (2a) grafting the rosin ester with an unsaturated carboxylic acid or anhydride, the mole ratio carboxylic a... | 09/03/1996 |
| 5508313 | Tacky microspheres having pendant hydrophilic polymeric or oligomeric moieties The invention provides inherently tacky, polymeric, organic, solvent-insoluble, solvent dispersible, elastomeric, pressure sensitive adhesive microspheres having pendant hydrophilic polymeric or oligomeric moieties having a degree of polymerization greate... | 04/16/1996 |
| 5464915 | Method of preparing styrene polymers by suspension polymerization In a method of preparing styrene plastics, the water medium containing tricalcium phosphate is prepared in situ (0.15 to 1.5 wt. %). Then, calcium carbonate (0.07 to 0.35 wt. %) is heated and dispersed therein. Thereafter, the monomer/comonomers/prepolyme... | 11/07/1995 |
| 5380465 | Emulsifiers for polymerization process The invention provides a process for producing a water-in-oil emulsion of a water-soluble polyacrylamide or polyacrylic acid polymer or copolymer by the inverse emulsion process characterised in that there is used as the emulsifying agent for the water-in... | 01/10/1995 |
