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Elmer J. DeWitt

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  • Cuyahoga Falls, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vinylidene chloride copolymer compositions
    • Patent number 4,826,922
    • Issue date May 2, 1989
    • The Standard Oil Company
    • George S. Li
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Poly (vinyl chloride) compositions
    • Patent number 4,681,917
    • Issue date Jul 21, 1987
    • The Standard Oil Company
    • George S. Li
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Poly (vinyl chloride) compositions
    • Patent number 4,681,916
    • Issue date Jul 21, 1987
    • The Standard Oil Company
    • Muyen M. Wu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Chlorinated poly(vinyl chloride) compositions
    • Patent number 4,677,164
    • Issue date Jun 30, 1987
    • The Standard Oil Company
    • George S. Li
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Copolymers containing indene
    • Patent number 4,638,042
    • Issue date Jan 20, 1987
    • The Standard Oil Company
    • George S. Li
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Tetrapolymers containing indene
    • Patent number 4,603,186
    • Issue date Jul 29, 1986
    • The Standard Oil Company
    • Muyen M. Wu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Poly(vinyl chloride) compositions
    • Patent number 4,596,856
    • Issue date Jun 24, 1986
    • The Standard Oil Company
    • Muyen M. Wu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Impact modified polymers of cycloolefins
    • Patent number 4,418,178
    • Issue date Nov 29, 1983
    • The B. F. Goodrich Company
    • Elmer J. DeWitt
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Impact modified polycycloolefins
    • Patent number 4,418,179
    • Issue date Nov 29, 1983
    • The B. F. Goodrich Company
    • Elmer J. DeWitt
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    High impact compositions containing polycyano norbornenes
    • Patent number 4,310,637
    • Issue date Jan 12, 1982
    • The B. F. Goodrich Company
    • Elmer J. Dewitt
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Soft-seeded tougheners for polyvinyl chloride
    • Patent number 4,173,596
    • Issue date Nov 6, 1979
    • The B. F. Goodrich Company
    • Elmer J. De Witt
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...