Preparation from compounds with -OH and -COOH adjacent in the same ring or in peri position

Patents Grantslast 30 patents

  • Information Patent Grant

    Method of dyeing leather with metal complex dyes comprised of metal...

    • Patent number 5,160,504
    • Issue date Nov 3, 1992
    • Orient Chemical Industries, Ltd.
    • Takashi Ono
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Metal complex dyes and preparation thereof

    • Patent number 5,095,100
    • Issue date Mar 10, 1992
    • Orient Chemical Industries, Ltd.
    • Takashi Ono
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Salicyl phenyl naphthyl trisazo di and trisulfonic developed direct...

    • Patent number 4,279,814
    • Issue date Jul 21, 1981
    • Crompton & Knowles Corporation
    • Howard L. Smith
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Rubine mixed strontium-cadmium salts of 3-chloro-4-methyl-6-sulfoph...

    • Patent number 4,115,377
    • Issue date Sep 19, 1978
    • Hercules Incorporated
    • Richard Knight Putney
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Azo dyestuffs

    • Patent number 4,091,021
    • Issue date May 23, 1978
    • Imperial Chemical Industries Limited
    • Herbert Francis Andrew
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    3759892

    • Patent number 3,759,892
    • Issue date Sep 18, 1973
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3399186

    • Patent number 3,399,186
    • Issue date Aug 27, 1968
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    3257379

    • Patent number 3,257,379
    • Issue date Jun 21, 1966
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3249599

    • Patent number 3,249,599
    • Issue date May 3, 1966
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3238189

    • Patent number 3,238,189
    • Issue date Mar 1, 1966
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3060167

    • Patent number 3,060,167
    • Issue date Oct 23, 1962
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2837508

    • Patent number 2,837,508
    • Issue date Jun 3, 1958
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2797214

    • Patent number 2,797,214
    • Issue date Jun 25, 1957
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2776960

    • Patent number 2,776,960
    • Issue date Jan 8, 1957
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2763640

    • Patent number 2,763,640
    • Issue date Sep 18, 1956
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2726238

    • Patent number 2,726,238
    • Issue date Dec 6, 1955
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2662806

    • Patent number 2,662,806
    • Issue date Dec 15, 1953
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2551887

    • Patent number 2,551,887
    • Issue date May 8, 1951
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2396328

    • Patent number 2,396,328
    • Issue date Mar 12, 1946
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2259734

    • Patent number 2,259,734
    • Issue date Oct 21, 1941
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    2077528

    • Patent number 2,077,528
    • Issue date Apr 20, 1937
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1841622

    • Patent number 1,841,622
    • Issue date Jan 19, 1932
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1841637

    • Patent number 1,841,637
    • Issue date Jan 19, 1932
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1803202

    • Patent number 1,803,202
    • Issue date Apr 28, 1931
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1766948

    • Patent number 1,766,948
    • Issue date Jun 24, 1930
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1766946

    • Patent number 1,766,946
    • Issue date Jun 24, 1930
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1766947

    • Patent number 1,766,947
    • Issue date Jun 24, 1930
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1766949

    • Patent number 1,766,949
    • Issue date Jun 24, 1930
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    1749836

    • Patent number 1,749,836
    • Issue date Mar 11, 1930
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    1689740

    • Patent number 1,689,740
    • Issue date Oct 30, 1928
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...