Aqueous emulsion polymers prepared with crosslinkable non-ionic surfactants
July 11, 2011. 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 References 2601256 3243455 Oil recovery method utilizing glyceryl ether sulfonates Polyhydroxyl non-ionic surfactant, process for preparing the same and cosmetic composition containing the same Blend of alkyl phenol ethoxylates and alkyl phenol glycoxylates and their use as surfactants Acrylic emulsion copolymers for thickening aqueous systems and copolymerizable surfactant monomers for use therein Ether sulfonates as low-foam wetting agents Sulfonated polyoxyalkylene ethers of 1,2 or 1,3-diols, their preparation and use Ether sulfonates Patent #: 4792419 InventorsAssigneeApplicationNo. 728807 filed on 07/11/1991US Classes:524/761, Containing hydroxyl group DNRM524/611, From phenol reactant524/769Chalcogen other than as R-OHExaminersPrimary: Schofer, Joseph L.Assistant: Smith, Jerry Attorney, Agent or FirmForeign Patent References
International ClassC08K 005/04AbstractA stable aqueous polymer emulsion contains an aqueous continuous phase, a dispersed polymeric phase which comprises an acrylic polymer and a polyhydroxyl functional, non-ionic surfactant having a repeating polymer unit in the backbone and containing from 3 to 31 hydroxyl groups wherein the hydroxyl groups on the repeating polymer unit are separated by 4 or more carbon atoms and the surfactant is substantially free of oxyethylene units. | |
