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Ronald D. Mathis

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  • Washington, DC, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Complex acrylates as stabilizer for conjugated diene/monovinyl arom...
    • Patent number 4,956,408
    • Issue date Sep 11, 1990
    • Phillips Petroleum Company
    • Ronald D. Mathis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Plastic pellet sorting apparatus with extruded side-stream monitoring
    • Patent number 4,781,559
    • Issue date Nov 1, 1988
    • Phillips Petroleum Company
    • Ronald D. Mathis
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Automatic method for sorting plastic pellets
    • Patent number 4,756,855
    • Issue date Jul 12, 1988
    • Phillips Petroleum Company
    • Ronald D. Mathis
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Polymer compositions
    • Patent number 4,548,971
    • Issue date Oct 22, 1985
    • Phillips Petroleum Company
    • Robert J. Martinovich
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymer stabilization
    • Patent number 4,543,224
    • Issue date Sep 24, 1985
    • Phillips Petroleum Company
    • Jerry O. Reed
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Stabilization of polyphenylene sulfide
    • Patent number 4,535,117
    • Issue date Aug 13, 1985
    • Phillips Petroleum Company
    • Ronald D. Mathis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymer blend composition exhibiting impact resistance
    • Patent number 4,530,968
    • Issue date Jul 23, 1985
    • Gregory M. Swisher
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method of producing extrusion grade poly(arylene sulfide)
    • Patent number 4,500,706
    • Issue date Feb 19, 1985
    • Phillips Petroleum Company
    • Ronald D. Mathis
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Polymer stabilization
    • Patent number 4,478,969
    • Issue date Oct 23, 1984
    • Phillips Petroleum Company
    • Jerry O. Reed
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for adjusting arylene sulfide polymer cure rates
    • Patent number 4,447,597
    • Issue date May 8, 1984
    • Phillips Petroleum Company
    • Ronald D. Mathis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for cleaning metal surfaces
    • Patent number 4,445,941
    • Issue date May 1, 1984
    • Phillips Petroleum Company
    • Ronald D. Mathis
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Process for cleaning metal surfaces of poly(arylene sulfide) deposits
    • Patent number 4,435,221
    • Issue date Mar 6, 1984
    • Phillips Petroleum Company
    • Ronald D. Mathis
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Polymer stabilization
    • Patent number 4,434,122
    • Issue date Feb 28, 1984
    • Phillips Petroleum Company
    • Jerry O. Reed
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymer stabilization
    • Patent number 4,421,910
    • Issue date Dec 20, 1983
    • Phillips Petroleum Company
    • Ronald D. Mathis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Stabilized polyphenylene sulfide fiber
    • Patent number 4,418,029
    • Issue date Nov 29, 1983
    • Phillips Petroleum Company
    • Jerry O. Reed
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Polymer stabilization
    • Patent number 4,413,081
    • Issue date Nov 1, 1983
    • Phillips Petroleum Company
    • Ronald D. Mathis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymer stabilization
    • Patent number 4,411,853
    • Issue date Oct 25, 1983
    • Phillips Petroleum Company
    • Jerry O. Reed
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Polymer stabilization
    • Patent number 4,405,745
    • Issue date Sep 20, 1983
    • Phillips Petroleum Company
    • Ronald D. Mathis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Multi-component stabilizing system for pigmented polyolefins
    • Patent number 4,185,004
    • Issue date Jan 22, 1980
    • Phillips Petroleum Company
    • Ronald D. Mathis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Dyeable polyamides containing an antistatic agent
    • Patent number 4,069,277
    • Issue date Jan 17, 1978
    • Phillips Fibers Corporation
    • Ronald D. Mathis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Antistatic dyeable polyamide composition
    • Patent number 4,059,653
    • Issue date Nov 22, 1977
    • Phillips Petroleum Company
    • Ronald D. Mathis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Stabilization of olefin polymers
    • Patent number 4,052,351
    • Issue date Oct 4, 1977
    • Phillips Petroleum Company
    • James S. Dix
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Stabilizing polyamide antistatic compositions
    • Patent number 4,043,972
    • Issue date Aug 23, 1977
    • Phillips Fibers Corporation
    • Ronald D. Mathis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Stabilization of olefin polymers
    • Patent number 4,035,323
    • Issue date Jul 12, 1977
    • Phillips Petroleum Company
    • Ronald D. Mathis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Ultraviolet light stabilized .alpha.-olefins
    • Patent number 4,025,488
    • Issue date May 24, 1977
    • Phillips Petroleum Company
    • James S. Dix
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Ultraviolet light stabilizing system
    • Patent number 3,959,218
    • Issue date May 25, 1976
    • Phillips Petroleum Company
    • Ronald D. Mathis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Dyeable polymers of alpha-olefins containing a nickel salt and a te...
    • Patent number 3,933,707
    • Issue date Jan 20, 1976
    • Phillips Petroleum Company
    • Ronald D. Mathis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...