Thermoplastic resin composition
Patent 4582871 Issued on April 15, 1986. Estimated Expiration Date: 
December 13, 2004. 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.
December 13, 2004. 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 ReferencesThermoformable polymer blend composition comprising styrene polymer, olefin polymer and block copolymer Thermoformable polymer blend composition Propylene polymer composition Polypropylene-base resin composition Patent #: 4480065 InventorsAssigneeApplicationNo. 06/681386 filed on 12/13/1984US Classes:524/413, Transition metal other than Group VIII DNRM (i.e., Sc, Ti, Mn, Cu, Y, Zr, Tc, Hf, Re)524/417, Phosphorus atom directly bonded to four oxygen atoms, e.g., phosphoric acid, etc.524/423, Sulfate group, e.g., calcium sulfate, etc.524/425, Calcium carbonate, e.g., limestone, marble, etc.524/426, Solid polymer derived from at least one diene monomer524/427, Solid polymer derived from unsaturated hydrocarbon monomer524/437, Aluminum DNRM524/451, Talc (soapstone) DNRM524/456, Group IIA metal atom DNRM524/505, Solid block or solid block-type copolymer with other solid polymer, SICP or SPFI525/93, Mixture contains solid polymer derived from reactant containing chalcogen525/95, Mixture contains solid block or block-type copolymer derived from ethylenically unsaturated hydrocarbon reactants only at least one of which contains at least four carbon atoms525/96, With solid polymer derived from reactant containing an atom other than C, H or chalcogen525/98Solid block or block-type copolymer derived from reactant containing plural unsaturationExaminersPrimary: Lilling, Herbert J.Attorney, Agent or FirmInternational ClassesC08L 23/02 (20060101)C08L 23/00 (20060101) C08K 3/00 (20060101) Foreign Application Priority Data1983-12-21 JPAbstractA thermoplastic resin composition having a good balance between stiffness and impact resistance, a small degree of sagging of sheet during heating step in thermoforming and excellent deep drawing characteristics is disclosed. The composition comprises an olefin polymer composition, a styrene polymer, a thermoplastic styrene block copolymer rubber and an inorganic filler.Field of SearchTalc (soapstone) DNRMSolid block or solid block-type copolymer with other solid polymer, SICP or SPFI Sulfate group, e.g., calcium sulfate, etc. Calcium carbonate, e.g., limestone, marble, etc. Solid polymer derived from at least one diene monomer Solid polymer derived from unsaturated hydrocarbon monomer Phosphorus atom directly bonded to four oxygen atoms, e.g., phosphoric acid, etc. Transition metal other than Group VIII DNRM (i.e., Sc, Ti, Mn, Cu, Y, Zr, Tc, Hf, Re) Group IIA metal atom DNRM | |
