Polymeric materials useful for sizing synthetic yarns to be used in water jet weaving
Patent 5082896 Issued on January 21, 1992. Estimated Expiration Date: 
January 21, 2009. 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.
January 21, 2009. 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 2727835 2794742 2807865 2884336 2962465 3654213 3759858 3811981 3879357 Yarn sizing process and product InventorAssigneeApplicationNo. 297725 filed on 01/17/1989US Classes:524/823, Two or more monomers-containing carboxylic acid or derivative106/285Hydrocarbon containingExaminersPrimary: Schofer, Joseph L.Assistant: Sarofim, N. Attorney, Agent or FirmForeign Patent References
International ClassC08L 033/06AbstractA polymeric material is provided which comprises the following monomer units: from about 23 to about 32 parts by weight butyl acrylate; from about 16 to about 22 parts by weight of a lower alkyl methacrylate; from about 28 to about 40 parts by weight of a monomer selected from vinyl acetate and styrene; and from about 14 to about 20 parts by weight of an acidic monomer selected from acrylic acid and methacrylic acid; said polymer being further characterized as having an intrinsic viscosity of from about 0.16 to about 0.30 deciliter per gram as measured by a Cannon-Fenske Kinematic viscometer. | |
