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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for the preparation of 4,10-dibromoanthanthrone pigment

    • Patent number 5,614,015
    • Issue date Mar 25, 1997
    • Hoechst Aktiengescellschaft
    • Manfred Urban
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Anthraquinone dispersing agents

    • Patent number 4,013,687
    • Issue date Mar 22, 1977
    • Imperial Chemical Industries Limited
    • Hugh Patrick Dryhurst Paget
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2838525

    • Patent number 2,838,525
    • Issue date Jun 10, 1958
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2504088

    • Patent number 2,504,088
    • Issue date Apr 11, 1950
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1924443

    • Patent number 1,924,443
    • Issue date Aug 29, 1933
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    1916312

    • Patent number 1,916,312
    • Issue date Jul 4, 1933
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1905286

    • Patent number 1,905,286
    • Issue date Apr 25, 1933
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1905285

    • Patent number 1,905,285
    • Issue date Apr 25, 1933
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1877866

    • Patent number 1,877,866
    • Issue date Sep 20, 1932
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1876974

    • Patent number 1,876,974
    • Issue date Sep 13, 1932
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1877315

    • Patent number 1,877,315
    • Issue date Sep 13, 1932
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1874547

    • Patent number 1,874,547
    • Issue date Aug 30, 1932
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1856215

    • Patent number 1,856,215
    • Issue date May 3, 1932
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1849426

    • Patent number 1,849,426
    • Issue date Mar 15, 1932
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1835396

    • Patent number 1,835,396
    • Issue date Dec 8, 1931
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1803758

    • Patent number 1,803,758
    • Issue date May 5, 1931
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1803757

    • Patent number 1,803,757
    • Issue date May 5, 1931
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...