Walter Scholl

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Chromium complex azo dyestuffs and mixtures of chromium complex azo...
- Patent number 4,499,015
- Issue date Feb 12, 1985
- Bayer Aktiengesellschaft
- Walter Scholl
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Reactive dyestuffs
- Patent number 4,370,268
- Issue date Jan 25, 1983
- Bayer Aktiengesellschaft
- Walter Scholl
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Metal complex reactive dyestuffs
- Patent number 4,248,771
- Issue date Feb 3, 1981
- Bayer Aktiengesellschaft
- Walter Scholl
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Chromium mixed complex dyestuffs of phenyl-azo-pyrazole components
- Patent number 4,234,479
- Issue date Nov 18, 1980
- Bayer Aktiengesellschaft
- Winfried Mennicke
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...