by substituting radicals containing hetero atoms for -SO2R radicals and R being hydrocarbon

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Patents Grantslast 30 patents

Information Patent Grant
Water-insoluble azo dyestuffs, processes for their manufacture and...
- Patent number 4,431,585
- Issue date Feb 14, 1984
- Cassella Aktiengesellschaft
- Horst Tappe
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of azo dyestuffs
- Patent number 4,083,846
- Issue date Apr 11, 1978
- Bayer Aktiengesellschaft
- Klaus Leverenz
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
2-Optionally substituted alkyl-and phenylsulfonylphenyl-azo-phenyl...
- Patent number 4,046,757
- Issue date Sep 6, 1977
- Sandoz Ltd.
- Jacques Meybeck
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
N,N-diethyl-4-(2,4-dinitro-6-alkylsulfonylphenylazo)-2-alkoxy-5-alk...
- Patent number 4,013,636
- Issue date Mar 22, 1977
- Sandoz Ltd.
- Ruedi Altermatt
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
3845034
- Patent number 3,845,034
- Issue date Oct 29, 1974
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
3692769
- Patent number 3,692,769
- Issue date Sep 19, 1972
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...