Polyolefin resin composition containing rosin, rosin derivative or petroleum resin
Patent 4731401 Issued on March 15, 1988. Estimated Expiration Date: 
October 3, 2006. 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 3, 2006. 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 3484405 3630980 3652725 3850858 3862068 3878143 Adhesive compositions Adhesive composition containing a copolymer of butadiene, styrene, and acrylonitrile, plus a tackifying resin Pressure-sensitive adhesive tape substrate Process for producing multicellular articles InventorsAssigneeApplicationNo. 06/915078 filed on 10/03/1986US Classes:524/271, Two or more solid polymers or at least one solid polymer and at least one specified intermediate condensation product524/13, Wood or wood cellulose fiber or flour524/499, Solid polymer derived from monomer from unsaturated petroleum hydrocarbon fraction or product thereof524/9, Cellular material derived from plant or animal source DNRM other than: cotton, farinaceous meals or flours, blood, diatomaceous earth, chalk, or other fossilized matter525/210, Solid polymer derived from reactant containing a fused- or bridged- ring system525/211, Fused- or bridged-ring reactant contains at least two ethylenic groups525/240Solid polymer derived from ethylene or propyleneExaminersPrimary: Anderson, Harold D.Assistant: Daley, Dennis R. Attorney, Agent or FirmInternational ClassesC08L 23/02 (20060101)C08L 23/00 (20060101) Foreign Application Priority Data1985-10-21 JPAbstractA polyolefin resin composition comprising a polyolefin resin and, blended therewith, (A) 10 to 40 wt % of a styrene type resin and (B) 0.5 to wt % of one or more members selected from among rosin, derivatives of rosin and petroleum resins is provided. This composition is excellent in adhesion to a cast foamed polyurethane, etc. and capable of forming a molding product with a low molding shrinkage. | |
