TREA

Donald C. Van Slyke

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  • Missouri City, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Non-toxic, inexpensive synthetic drilling fluid
    • Patent number 6,255,256
    • Issue date Jul 3, 2001
    • Union Oil Company of California
    • Donald C. Van Slyke
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Method for treating a well employing a non-toxic, inexpensive fluid
    • Patent number 6,159,907
    • Issue date Dec 12, 2000
    • Union Oil Company of California
    • Donald C. Van Slyke
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Non-toxic, inexpensive synthetic drilling fluid
    • Patent number 6,110,874
    • Issue date Aug 29, 2000
    • Union Oil Company of California
    • Donald C. Van Slyke
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Non-toxic inexpensive synthetic drilling fluid
    • Patent number 6,107,255
    • Issue date Aug 22, 2000
    • Union Oil Company of California
    • Donald C. Van Slyke
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Non-toxic inexpensive synthetic drilling fluid
    • Patent number 6,034,037
    • Issue date Mar 7, 2000
    • Union Oil Company of California,
    • Donald C. Van Slyke
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Simplified mud systems
    • Patent number 6,017,854
    • Issue date Jan 25, 2000
    • Union Oil Company of California
    • Donald C. Van Slyke
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Non-toxic, inexpensive synthetic drilling fluid
    • Patent number 5,958,845
    • Issue date Sep 28, 1999
    • Union Oil Company of California
    • Donald C. Van Slyke
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Method for cleaning an oil-coated substrate
    • Patent number 5,788,781
    • Issue date Aug 4, 1998
    • Union Oil Company of California
    • Donald C. Van Slyke
    • B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
  • Information Patent Grant

    Solvent soaps and methods employing same
    • Patent number 5,780,407
    • Issue date Jul 14, 1998
    • Union Oil Company of California
    • Donald C. Van Slyke
    • B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
  • Information Patent Grant

    Solvent soaps and methods employing same
    • Patent number 5,723,423
    • Issue date Mar 3, 1998
    • Union Oil Company of California, dba UNOCAL
    • Donald C. Van Slyke
    • B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
  • Information Patent Grant

    Solids-free wellbore fluid
    • Patent number 5,710,111
    • Issue date Jan 20, 1998
    • Union Oil Company of California
    • Donald C. Van Slyke
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Thermally stable oil-based drilling fluid
    • Patent number 5,700,763
    • Issue date Dec 23, 1997
    • Union Oil Company of California
    • Donald C. Van Slyke
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Solids-free, essentially all-oil wellbore fluid
    • Patent number 5,696,058
    • Issue date Dec 9, 1997
    • Union Oil Company of California
    • Donald C. Van Slyke
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Method for cleaning an oil-coated substrate
    • Patent number 5,634,984
    • Issue date Jun 3, 1997
    • Union Oil Company of California
    • Donald C. Van Slyke
    • B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
  • Information Patent Grant

    Non-toxic, inexpensive synthetic drilling fluid
    • Patent number 5,635,457
    • Issue date Jun 3, 1997
    • Union Oil Company of California
    • Donald C. Van Slyke
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Thermally stable oil-base drilling fluid
    • Patent number 5,629,270
    • Issue date May 13, 1997
    • Union Oil Company of California
    • Donald C. Van Slyke
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Solids-free, essentially all-oil wellbore fluid
    • Patent number 5,556,832
    • Issue date Sep 17, 1996
    • Union Oil Company of California
    • Donald C. Van Slyke
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    White mineral oil-based drilling fluid
    • Patent number 5,333,698
    • Issue date Aug 2, 1994
    • Union Oil Company of California
    • Donald C. Van Slyke
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Separation of oils from solids
    • Patent number 5,234,577
    • Issue date Aug 10, 1993
    • Union Oil Company of California
    • Donald C. Van Slyke
    • B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
  • Information Patent Grant

    Separation of oils from solids
    • Patent number 5,215,596
    • Issue date Jun 1, 1993
    • Union Oil Company of California
    • Donald C. Van Slyke
    • B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
  • Information Patent Grant

    Separation of oils from solids
    • Patent number 5,213,625
    • Issue date May 25, 1993
    • Union Oil Company of California
    • Donald C. Van Slyke
    • B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
  • Information Patent Grant

    Separation of oils from solids
    • Patent number 5,156,686
    • Issue date Oct 20, 1992
    • Union Oil Company of California
    • Donald C. Van Slyke
    • B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
  • Information Patent Grant

    Carbon dioxide-steam co-injection tertiary oil recovery process
    • Patent number 5,020,595
    • Issue date Jun 4, 1991
    • Union Oil Company of California
    • Donald C. Van Slyke
    • E21 - EARTH DRILLING MINING