Charles W. Sandefur

Person

  • Summerville, SC, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for the preparation of perylene pigments

    • Patent number 6,403,797
    • Issue date Jun 11, 2002
    • Bayer Corporation
    • Charles W. Sandefur
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Method for conditioning organic pigments

    • Patent number 5,922,123
    • Issue date Jul 13, 1999
    • Bayer Corporation
    • Charles W. Sandefur
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Method for conditioning organic pigments

    • Patent number 5,900,050
    • Issue date May 4, 1999
    • Bayer Corporation
    • Michael D. Hayden
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the preparation of trimethine dyestuffs

    • Patent number 5,120,858
    • Issue date Jun 9, 1992
    • Miles Inc.
    • Charles W. Sandefur
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Dry dyestuff powders with enhanced water solubility

    • Patent number 4,802,888
    • Issue date Feb 7, 1989
    • Mobay Corporation
    • Charles W. Sandefur
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Anionic dye dispersions with enhanced cold water solubility upon di...

    • Patent number 4,673,410
    • Issue date Jun 16, 1987
    • Mobay Corporation
    • Charles W. Sandefur
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Modified acid dyestuff

    • Patent number 4,474,577
    • Issue date Oct 2, 1984
    • Mobay Chemical Corporation
    • Charles W. Sandefur
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Acid dye dispersions

    • Patent number 4,468,230
    • Issue date Aug 28, 1984
    • Mobay Chemical Corporation
    • Thomas J. Thomas
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for manufacturing of dyestuff preparations

    • Patent number 4,327,998
    • Issue date May 4, 1982
    • Mobay Chemical Corporation
    • Charles W. Sandefur
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...