from dibenzanthronyls

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for the preparation of anthraquinoid intermediates and vat...

    • Patent number 4,784,805
    • Issue date Nov 15, 1988
    • Ciba-Geiby Corporation
    • Rudolf Blattner
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2468606

    • Patent number 2,468,606
    • Issue date Apr 26, 1949
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2279725

    • Patent number 2,279,725
    • Issue date Apr 14, 1942
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2265654

    • Patent number 2,265,654
    • Issue date Dec 9, 1941
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2022884

    • Patent number 2,022,884
    • Issue date Dec 3, 1935
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1974817

    • Patent number 1,974,817
    • Issue date Sep 25, 1934
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1877178

    • Patent number 1,877,178
    • Issue date Sep 13, 1932
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1866501

    • Patent number 1,866,501
    • Issue date Jul 5, 1932
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1859212

    • Patent number 1,859,212
    • Issue date May 17, 1932
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    1856203

    • Patent number 1,856,203
    • Issue date May 3, 1932
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1675014

    • Patent number 1,675,014
    • Issue date Jun 26, 1928
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1538419

    • Patent number 1,538,419
    • Issue date May 19, 1925
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...