by sulfonation

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Patents Grantslast 30 patents

Information Patent Grant
Water-soluble diphenylamine-azo-sulfatoalkoxyphenyl dyestuffs
- Patent number 4,119,623
- Issue date Oct 10, 1978
- Bayer Aktiengesellschaft
- Herbert Hugl
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Benzene-azo-indole dyestuffs
- Patent number 4,060,521
- Issue date Nov 29, 1977
- Bayer Aktiengesellschaft
- Dieter vor der Bruck
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
3907769
- Patent number 3,907,769
- Issue date Sep 23, 1975
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3785156
- Patent number 3,785,156
- Issue date Jan 15, 1974
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
3646005
- Patent number 3,646,005
- Issue date Feb 29, 1972
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3485814
- Patent number 3,485,814
- Issue date Dec 23, 1969
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
2053394
- Patent number 2,053,394
- Issue date Sep 8, 1936
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
2018801
- Patent number 2,018,801
- Issue date Oct 29, 1935
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...