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the tetrazo component being a benzene derivative

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CCHEMISTRY METALLURGY C09Paints, dyes C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES MORDANTS LAKES C09B35/00Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling

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C09B35/04the tetrazo component being a benzene derivative
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Patents Grantslast 30 patents

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    Unitary laundry detergent article
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    • Issue date May 25, 2021
    • The Procter & Gamble Company
    • Hongsing Tan
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    Azo dyes
    • Patent number 8,734,534
    • Issue date May 27, 2014
    • Kemira Oyj
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    Acid dyes
    • Patent number 8,137,416
    • Issue date Mar 20, 2012
    • Clariant Finance (BVI) Limited
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    Acid dyes
    • Patent number 7,927,384
    • Issue date Apr 19, 2011
    • Clariant Finance (BVI) Limited
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    Disazo dyestuffs
    • Patent number 6,031,083
    • Issue date Feb 29, 2000
    • Bayer Aktiengesellschaft
    • Klaus Kunde
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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    Disazo dyestuffs
    • Patent number 5,808,016
    • Issue date Sep 15, 1998
    • Bayer Aktiengesellschaft
    • Klaus Kunde
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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    Bis-azo compounds with 2,3-dichlorobenzoyl group
    • Patent number 5,717,080
    • Issue date Feb 10, 1998
    • Fuji Immunopharmaceuticals Corp.
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    Diazo dyes having a phenylene group as the middle component and a n...
    • Patent number 5,663,309
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    Dichroic azo dyes
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    • Issue date Dec 31, 1996
    • Hercules Incorporated
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    Colorant and ink compositions
    • Patent number 5,413,630
    • Issue date May 9, 1995
    • Xerox Corporation
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    Arylazo and poly(arylazo) dyes having at least one core radical sel...
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    • Patent number 5,073,173
    • Issue date Dec 17, 1991
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    Naphtholazophenylazoaminonaphthol compounds and copper complexes th...
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    • Issue date Jan 29, 1991
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    • Patent number 4,829,185
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    • Karlheinz Kerff
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    Coloring substance-containing liquid crystal mixtures
    • Patent number 4,613,208
    • Issue date Sep 23, 1986
    • Hoffmann-La Roche Inc.
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    Cationic polyazo dyestuffs, their stable solutions, their preparati...
    • Patent number 4,502,862
    • Issue date Mar 5, 1985
    • Bayer Aktiengesellschaft
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    Novel yellow azo dyes and dichroic liquid crystal composition made...
    • Patent number 4,308,164
    • Issue date Dec 29, 1981
    • General Electric Company
    • Siegfried Aftergut
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    Process for the preparation of dihydroxyphenylazophenylazophenyl dy...
    • Patent number 4,115,380
    • Issue date Sep 19, 1978
    • Hoechst Aktiengesellschaft
    • Hans Jakob Schladetsch
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    Sulfaphenyl-azo-phenyl-azo-aminophenyl dyestuffs
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    • Bayer Aktiengesellschaft
    • Richard Sommer
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    Disazo dyestuffs containing amino azo benzene sulfonic acid and phe...
    • Patent number 3,960,831
    • Issue date Jun 1, 1976
    • Bayer Aktiengesellschaft
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    Composition and method for the detection of syphilis
    • Patent number 3,949,065
    • Issue date Apr 6, 1976
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    • Peter Salvatore Forgione
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    3840514
    • Patent number 3,840,514
    • Issue date Oct 8, 1974
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3754923
    • Patent number 3,754,923
    • Issue date Aug 28, 1973
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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    3701783
    • Patent number 3,701,783
    • Issue date Oct 31, 1972
    • C07 - ORGANIC CHEMISTRY
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    3687673
    • Patent number 3,687,673
    • Issue date Aug 29, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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    3671253
    • Patent number 3,671,253
    • Issue date Jun 20, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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    3634091
    • Patent number 3,634,091
    • Issue date Jan 11, 1972
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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    3623874
    • Patent number 3,623,874
    • Issue date Nov 30, 1971
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3619112
    • Patent number 3,619,112
    • Issue date Nov 9, 1971
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    3615581
    • Patent number 3,615,581
    • Issue date Oct 26, 1971
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

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    AZO DYES
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