TREA

Hydrazinium group

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Industry

  • CPC
  • C09B69/002
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Parent Industries

CCHEMISTRY METALLURGY C09Paints, dyes C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES MORDANTS LAKES C09B69/00Dyes not provided for by a single group of this subclass

Current Industry

C09B69/002Hydrazinium group
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Naphtholactam dyes
    • Patent number 4,260,770
    • Issue date Apr 7, 1981
    • Ciba-Geigy Aktiengesellschaft
    • Hansrudolf Schwander
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for producing colored paper using granulated dye compositions
    • Patent number 4,198,268
    • Issue date Apr 15, 1980
    • Sandoz Ltd.
    • Alfred Frei
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Heterocyclic azo compounds containing a quaternated hydrazide group
    • Patent number 3,945,991
    • Issue date Mar 23, 1976
    • Ciba-Geigy AG
    • Visvanathan Ramanathan
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3843622
    • Patent number 3,843,622
    • Issue date Oct 22, 1974
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3457260
    • Patent number 3,457,260
    • Issue date Jul 22, 1969
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3341514
    • Patent number 3,341,514
    • Issue date Sep 12, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3337523
    • Patent number 3,337,523
    • Issue date Aug 22, 1967
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3252965
    • Patent number 3,252,965
    • Issue date May 24, 1966
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3252967
    • Patent number 3,252,967
    • Issue date May 24, 1966
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2555253
    • Patent number 2,555,253
    • Issue date May 29, 1951
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...