Aqueous polymer dispersions
Patent 5358998 Issued on October 25, 1994. Estimated Expiration Date: 
October 7, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 7, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesAqueous polymer dispersions preparation Sizing agents for paper based on finely divided aqueous dispersions Polymer compositions Process of producing aqueous polymer dispersions Patent #: 5147907 InventorsAssigneeApplicationNo. 957170 filed on 10/07/1992US Classes:524/734, Starch or derivative, farinaceous flour or meal524/47, Starch or derivative or farinaceous meal or flour524/48, Dextrin or derivative524/50, Ether group, other than solely linking of carbohydrate groups directly to each other524/51, Ester524/52, Solid polymer derived from ethylenic reactants only524/53, At least one carboxylic acid ester524/457, Polymerizing an ethylenic monomer in the presence of a preformed SICP or solid polymer and in the presence of a nonreactive material so as to form an aqueous dispersion, latex, suspension, or emulsion therewith; or product thereof524/804, Solid polymer derived from ethylenic monomers only524/820, With N monomer524/824, Aromatic monomer524/833, Two or more carboxylic acids or derivatives524/834, Halogenated hydrocarbon monomer524/835, Two or more halogenated hydrocarbon monomers524/836Hydrocarbon monomer onlyExaminersPrimary: Reddick, Judy M.Attorney, Agent or FirmForeign Patent References
International ClassC08K 005/13Foreign Application Priority Data1991-10-07 DEAbstractAqueous polymer dispersions containing polymers obtainable by free-radical polymerization of unsaturated monomers, and sugared starch, and the use thereof.Field of SearchSolid polymer derived from ethylenic reactants onlyPolymerizing an ethylenic monomer in the presence of a preformed SICP or solid polymer and in the presence of a nonreactive material so as to form an aqueous dispersion, latex, suspension, or emulsion therewith; or product thereof Starch or derivative, farinaceous flour or meal Starch or derivative or farinaceous meal or flour Dextrin or derivative Ether group, other than solely linking of carbohydrate groups directly to each other Ester At least one carboxylic acid ester Solid polymer derived from ethylenic monomers only With N monomer Aromatic monomer Two or more carboxylic acids or derivatives Halogenated hydrocarbon monomer Two or more halogenated hydrocarbon monomers Hydrocarbon monomer only | |
