by reacting sulfonic acids with amines

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Patents Grantslast 30 patents

  • Information Patent Grant

    Photoresist composition for use in color filters

    • Patent number 5,731,110
    • Issue date Mar 24, 1998
    • Sumitomo Chemical Company, Limited
    • Yoshiki Hishiro
    • G02 - OPTICS
  • Information Patent Grant

    Azo dyes for use in color filters and method for production of colo...

    • Patent number 5,686,585
    • Issue date Nov 11, 1997
    • Sumitomo Chemical Company, Limited
    • Yoshiki Hishiro
    • G02 - OPTICS
  • Information Patent Grant

    Azo dyes with A2-aminothiophene dye azo component and a coupling co...

    • Patent number 5,270,456
    • Issue date Dec 14, 1993
    • BASF Aktiengesellschaft
    • Erwin Hahn
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Sulfoethylaminosulfonyl substituted disazo dyes

    • Patent number 4,558,121
    • Issue date Dec 10, 1985
    • Ciba-Geigy Corporation
    • Alfred Fasciati
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Ortho-carboxyphenyl azo ortho-hydroxypyrazole yellow dyes having si...

    • Patent number 4,206,115
    • Issue date Jun 3, 1980
    • Polaroid Corporation
    • Elbert M. Idelson
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3915951

    • Patent number 3,915,951
    • Issue date Oct 28, 1975
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3828019

    • Patent number 3,828,019
    • Issue date Aug 6, 1974
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3751406

    • Patent number 3,751,406
    • Issue date Aug 7, 1973
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3725384

    • Patent number 3,725,384
    • Issue date Apr 3, 1973
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3697501

    • Patent number 3,697,501
    • Issue date Oct 10, 1972
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3671514

    • Patent number 3,671,514
    • Issue date Jun 20, 1972
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3546203

    • Patent number 3,546,203
    • Issue date Dec 8, 1970
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3528961

    • Patent number 3,528,961
    • Issue date Sep 15, 1970
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3443939

    • Patent number 3,443,939
    • Issue date May 13, 1969
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3443940

    • Patent number 3,443,940
    • Issue date May 13, 1969
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3338880

    • Patent number 3,338,880
    • Issue date Aug 29, 1967
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3105829

    • Patent number 3,105,829
    • Issue date Oct 1, 1963
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3082206

    • Patent number 3,082,206
    • Issue date Mar 19, 1963
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    2881160

    • Patent number 2,881,160
    • Issue date Apr 7, 1959
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2816103

    • Patent number 2,816,103
    • Issue date Dec 10, 1957
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2443314

    • Patent number 2,443,314
    • Issue date Jun 15, 1948
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    Dyes and their use in ink-jet printing

    • Publication number 20080241394
    • Publication date Oct 2, 2008
    • Fujifilm Imaging Colorants Limited
    • Gavin WRIGHT
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...