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Melvin B. Welch

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  • Bartlesville, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Zirconium-titanium catalyzed olefin polymerization
    • Patent number 4,472,523
    • Issue date Sep 18, 1984
    • Phillips Petroleum Company
    • Melvin B. Welch
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Treatment of silica
    • Patent number RE31443
    • Issue date Nov 15, 1983
    • Phillips Petroleum Company
    • Max P. McDaniel
    • 526 - Synthetic resins or natural rubbers
  • Information Patent Grant

    Catalyst and process
    • Patent number 4,410,451
    • Issue date Oct 18, 1983
    • Phillips Petroleum Company
    • Richard E. Dietz
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst, method of producing the catalyst, and polymerization proc...
    • Patent number 4,410,671
    • Issue date Oct 18, 1983
    • Phillips Petroleum Company
    • Melvin B. Welch
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Treatment of silica
    • Patent number RE31390
    • Issue date Sep 20, 1983
    • Phillips Petroleum Company
    • Max P. McDaniel
    • 252 - Compositions
  • Information Patent Grant

    Zirconium-titanium catalyzed olefin polymerization
    • Patent number 4,396,747
    • Issue date Aug 2, 1983
    • Phillips Petroleum Company
    • Melvin B. Welch
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerization process using high molecular weight epoxides
    • Patent number 4,331,791
    • Issue date May 25, 1982
    • Phillips Petroleum Company
    • Raymond G. Rohlfing
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerization catalyst and process
    • Patent number 4,331,558
    • Issue date May 25, 1982
    • Phillips Petroleum Company
    • Melvin B. Welch
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst, method of producing the catalyst, and polymerization proc...
    • Patent number 4,326,988
    • Issue date Apr 27, 1982
    • Phillips Petroleum Company
    • Melvin B. Welch
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerization catalyst and process
    • Patent number 4,316,818
    • Issue date Feb 23, 1982
    • Phillips Petroleum Company
    • Melvin B. Welch
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    SC.sub.2 activation of supported chromium oxide catalysts
    • Patent number 4,307,214
    • Issue date Dec 22, 1981
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Treatment of silica
    • Patent number 4,297,460
    • Issue date Oct 27, 1981
    • Phillips Petroleum Co.
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    SO.sub.2 Activation of supported chromium oxide catalysts
    • Patent number 4,295,997
    • Issue date Oct 20, 1981
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Olefin polymerization
    • Patent number 4,284,748
    • Issue date Aug 18, 1981
    • Phillips Petroleum Company
    • Melvin B. Welch
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Sulfiding and reoxidation of chromium catalyst
    • Patent number 4,277,587
    • Issue date Jul 7, 1981
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Treatment of silica
    • Patent number 4,248,735
    • Issue date Feb 3, 1981
    • Phillips Petroleum Company
    • Max P. McDaniel
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Activation of supported chromium oxide catalysts
    • Patent number 4,247,421
    • Issue date Jan 27, 1981
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerization catalyst and process
    • Patent number 4,243,552
    • Issue date Jan 6, 1981
    • Phillips Petroleum Company
    • Melvin B. Welch
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Chromium-silica catalysts by hydrothermal treating
    • Patent number 4,238,369
    • Issue date Dec 9, 1980
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst and a polymerization process employing the catalyst
    • Patent number 4,234,710
    • Issue date Nov 18, 1980
    • Phillips Petroleum Company
    • Charles W. Moberly
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymer slurry catalyst residue deactivation
    • Patent number 4,211,863
    • Issue date Jul 8, 1980
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Reduction and reoxidation of cogel or self-reduced catalyst
    • Patent number 4,182,815
    • Issue date Jan 8, 1980
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Sulfiding and reoxidation of chromium catalyst
    • Patent number 4,177,162
    • Issue date Dec 4, 1979
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Reduction and reoxidation of cogel or self-reduced catalyst
    • Patent number 4,151,122
    • Issue date Apr 24, 1979
    • Phillips Petroleum Company
    • Max P. McDaniel
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...