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Steven A. Schwartz

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  • Downingtown, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    High melt strength polypropylene and process of preparation thereof
    • Patent number 11,639,436
    • Issue date May 2, 2023
    • FINA TECHNOLOGY, INC.
    • Brett Robb
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Polyolefin-metal laminate
    • Patent number 8,404,352
    • Issue date Mar 26, 2013
    • Equistar Chemicals, LP
    • Thomas J. Schwab
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Gypsum composition
    • Patent number 7,393,424
    • Issue date Jul 1, 2008
    • Lyondell Chemical Technology, L.P.
    • Steven A. Schwartz
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Gypsum composition
    • Patent number 7,261,772
    • Issue date Aug 28, 2007
    • Lyondell Chemical Technology, L.P.
    • Steven A. Schwartz
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Polyolefin compositions
    • Patent number 7,175,918
    • Issue date Feb 13, 2007
    • Equistar Chemicals, LP
    • Anil W. Saraf
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Preparation of gypsum compositions
    • Patent number 7,070,648
    • Issue date Jul 4, 2006
    • Lyondell Chemical Technology, L.P.
    • Steven A. Schwartz
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Solid supported comb-branched copolymers as an additive for gypsum...
    • Patent number 6,869,988
    • Issue date Mar 22, 2005
    • ARCO Chemical Technology, L.P.
    • Steven A. Schwartz
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Use of comb-branched copolymers as pigment dispersants
    • Patent number 6,582,510
    • Issue date Jun 24, 2003
    • ARCO Chemical Technology, L.P.
    • Steven A. Schwartz
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Use of comb-branched copolymers in gypsum compositions
    • Patent number 6,527,850
    • Issue date Mar 4, 2003
    • Arco Chemical Technology L.P.
    • Steven A. Schwartz
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Use of 2-methyl-1, 3-propanediol and polycarboxylate builders in la...
    • Patent number 6,511,952
    • Issue date Jan 28, 2003
    • ARCO Chemical Technology, L.P.
    • Steven A. Schwartz
    • C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
  • Information Patent Grant

    Supported carbonic acid esters useful as set accelerators and thixo...
    • Patent number 6,264,737
    • Issue date Jul 24, 2001
    • Arco Chemical Technolgy, L.P.
    • Frank J. Liotta
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    HIGH MELT STRENGTH POLYPROPYLENE AND PROCESS OF PREPARATION THEREOF
    • Publication number 20210301114
    • Publication date Sep 30, 2021
    • Fina Technology, Inc.
    • Brett ROBB
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Polyolefin-metal laminate
    • Publication number 20100098958
    • Publication date Apr 22, 2010
    • Thomas J. Schwab
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Gypsum composition
    • Publication number 20080087198
    • Publication date Apr 17, 2008
    • Steven A. Schwartz
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    Polyolefin compositions
    • Publication number 20050239961
    • Publication date Oct 27, 2005
    • Anil W. Saraf
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Solid supported comb-branched copolymers as an additive for gypsum...
    • Publication number 20040209979
    • Publication date Oct 21, 2004
    • Steven A. Schwartz
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    Use of comb-branched copolymers in gypsum compositions
    • Publication number 20030019401
    • Publication date Jan 30, 2003
    • ARCO Chemical Technology L.P.
    • Steven A. Schwartz
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES