TREA

Richard McMaster Crooker

Follow

Person

  • Fogelsville, PA, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Halogenated alkene heat transfer compositions with improved oil return
    • Patent number 9,303,900
    • Issue date Apr 5, 2016
    • Arkema Inc.
    • Brett L. Van Horn
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Halogenated alkene heat transfer composition with improved oil return
    • Patent number 8,454,853
    • Issue date Jun 4, 2013
    • Arkema Inc.
    • Brett L. Van Horn
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Blowing agent based on HFC-134a and cyclopentane for the expansion...
    • Patent number 6,624,208
    • Issue date Sep 23, 2003
    • Atofina
    • Arnaud Albouy
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymer foam containing nanoclay
    • Patent number 6,518,324
    • Issue date Feb 11, 2003
    • ATOFINA Chemicals, Inc.
    • Jiri E. Kresta
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Blowing agent blends
    • Patent number 6,358,434
    • Issue date Mar 19, 2002
    • ATO FINA Chemicals, Inc.
    • Jinhuang Wu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Inhibition of 141b decomposition
    • Patent number 6,235,161
    • Issue date May 22, 2001
    • Atofina Chemicals, Inc.
    • Richard M. Crooker
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    PVC foam
    • Patent number 6,225,365
    • Issue date May 1, 2001
    • ATOFINA Chemicals, Inc.
    • Saeid Zerafati
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Inhibition of 141b decomposition
    • Patent number 6,159,346
    • Issue date Dec 12, 2000
    • Elf Atochem North America, Inc.
    • Richard M. Crooker
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Inhibition of 141b decomposition
    • Patent number 6,059,933
    • Issue date May 9, 2000
    • Elf Atochem North America, Inc.
    • Richard M. Crooker
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Blowing agent blends
    • Patent number 5,958,992
    • Issue date Sep 28, 1999
    • Elf Atochem North America, Inc.
    • Jinhuang Wu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Inhibition of 141B decomposition
    • Patent number 5,567,281
    • Issue date Oct 22, 1996
    • Elf Atochem North America, Incorporated
    • Richard M. Crooker
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Inhibition of 141B decomposition
    • Patent number 5,531,867
    • Issue date Jul 2, 1996
    • Elf Atochem North America, Inc.
    • Richard M. Crooker
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Stabilized 141B
    • Patent number 5,246,625
    • Issue date Sep 21, 1993
    • EH Atochem North America, Inc.
    • Richard M. Crooker
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Stabilized 141b
    • Patent number 5,246,626
    • Issue date Sep 21, 1993
    • Elf Atochem North America, Inc.
    • Richard M. Crooker
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Stabilized 14lb
    • Patent number 5,221,697
    • Issue date Jun 22, 1993
    • Elf Atochem North America, Inc.
    • Richard M. Crooker
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    R22/R124/R142b refrigerant blends
    • Patent number 5,188,749
    • Issue date Feb 23, 1993
    • Elf Atochem North America, Inc.
    • Richard M. Crooker
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Stabilized 141b
    • Patent number 5,177,270
    • Issue date Jan 5, 1993
    • Elf Atochem North America, Inc.
    • Richard M. Crooker
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Stabilized 141b
    • Patent number 5,169,996
    • Issue date Dec 8, 1992
    • Elf Atochem North America, Inc.
    • Richard M. Crooker
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Stabilized 1,1-dichloro-1-fluoroethane
    • Patent number 5,169,997
    • Issue date Dec 8, 1992
    • Elf Atochem North America, Inc.
    • Richard M. Crooker
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Inhibited 141b
    • Patent number 5,169,995
    • Issue date Dec 8, 1992
    • Elf Atochem North America, Inc.
    • Richard M. Crooker
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Stabilized 141b
    • Patent number 5,169,874
    • Issue date Dec 8, 1992
    • Elf Atochem North America, Inc.
    • Richard M. Crooker
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Stabilized 14 lb
    • Patent number 5,135,680
    • Issue date Aug 4, 1992
    • Elf Atochem North America, Inc.
    • Richard M. Crooker
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyurethane foams from isocyanate, polyester polyol and chlorodifl...
    • Patent number 4,636,529
    • Issue date Jan 13, 1987
    • Pennwalt Corporation
    • Richard M. Crooker
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents