Aqueous compositions for sizing glass fibers containing emulsified epoxy resin and chloropropylsilane
April 25, 2003. 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 3772870 3837898 3850869 Size composition comprising an epoxy resin PVP and a silane and glass fibers treated therewith Sizing composition and sized fibers with increased hardness Glass fibers with improved dispersibility in aqueous solutions and sizing composition and process for making same Aqueous treating composition for glass fiber strands used to produce mats for thermoplastic polymers Aqueous sizing composition for producing sized glass fiber strands with improved slip flow properties Patent #: 4394475 InventorsAssigneeApplicationNo. 06/488474 filed on 04/25/1983US Classes:523/402, Product contains water per se or water of hydration as designated nonreactive material (DNRM)428/378, Coating on discrete and individual rods, strands or filaments523/411, Polymer derived from ethylenic reactants only derived from reactant containing nitrogen523/425Polymer derived from silicon reactantExaminersPrimary: Griffin, Ronald W.Attorney, Agent or FirmInternational ClassesC03C 25/26 (20060101)C03C 25/24 (20060101) C08J 5/08 (20060101) C08J 5/04 (20060101) AbstractDilute aqueous sizing compositions for glass fibers containing emulsified epoxy resin, lubricant and, as the sole organosilane coupling agent, 3-chloropropyltrimethoxy silane give superior properties to glass fibers having as a size coating the in situ dried residue thereof for use as reinforcing elements in polymeric or resinous articles. | |
