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George H. Hofmann

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  • Wilmington, DE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Composite comprising cellulose and thermoplastic polymer
    • Patent number 7,776,944
    • Issue date Aug 17, 2010
    • E. I. Du Pont de Nemours and Company
    • Elizabeth R. Griffin
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Co-extrudable multi-layer polymer
    • Patent number 7,261,935
    • Issue date Aug 28, 2007
    • E. I. Du Pont de Nemours and Company
    • George Henry Hofmann
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Blends of poly[α-methylenelact(one)(am)] homo-and copolymers
    • Patent number 6,992,141
    • Issue date Jan 31, 2006
    • E. I. Du Pont de Nemours and Company
    • Charles J. Brandenburg
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Blends of poly[α-methylenelact(one)(am] homo...
    • Patent number 6,723,790
    • Issue date Apr 20, 2004
    • E. I. Du Pont de Nemours and Company
    • Charles J. Brandenburg
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Hydroxyl-functionalized polymer compositions
    • Patent number 6,534,602
    • Issue date Mar 18, 2003
    • E. I. Du Pont de Nemours and Company
    • George Henry Hofmann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymer blends of polyvinyl butyral
    • Patent number 6,506,835
    • Issue date Jan 14, 2003
    • E. I. Du Pont de Nemours and Company
    • George Henry Hofmann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    UV stabilized ethylene copolymers
    • Patent number 6,147,170
    • Issue date Nov 14, 2000
    • E. I. Du Pont de Nemours and Company
    • George Henry Hofmann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymer blends
    • Patent number 5,981,008
    • Issue date Nov 9, 1999
    • E. I. Du Pont de Nemours and Company
    • George Henry Hofmann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymer blends
    • Patent number 5,856,405
    • Issue date Jan 5, 1999
    • E. I. Du Pont de Nemours and Company
    • George Henry Hofmann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing ethylene copolymer plasticized PVC
    • Patent number 5,464,903
    • Issue date Nov 7, 1995
    • E. I. Du Pont de Nemours and Company
    • George H. Hofmann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymer blends
    • Patent number 5,352,735
    • Issue date Oct 4, 1994
    • E. I. Du Pont de Nemours and Company
    • George H. Hofmann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Acrylic multistage graft copolymer products and processes
    • Patent number 4,180,529
    • Issue date Dec 25, 1979
    • E. I. Du Pont de Nemours and Company
    • George H. Hofmann
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents