Karl-August Lipper

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Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of terephthaloyl and isophthaloyl dichl...
- Patent number 4,528,146
- Issue date Jul 9, 1985
- Bayer Aktiengesellschaft
- Walter Bockmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of benzoyl chloride
- Patent number 4,430,181
- Issue date Feb 7, 1984
- Bayer Aktiengesellschaft
- Rainer Neumann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Color-stabilized aromatic carboxylic acid chlorides and a process f...
- Patent number 4,294,777
- Issue date Oct 13, 1981
- Bayer Aktiengesellschaft
- Walter Bockmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of optionally substituted benzoyl chloride
- Patent number 4,276,231
- Issue date Jun 30, 1981
- Bayer Aktiengesellschaft
- Walter Bockmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of benzaldehyde
- Patent number 4,229,379
- Issue date Oct 21, 1980
- Bayer Aktiengesellschaft
- Friedrich Bruhne
- C07 - ORGANIC CHEMISTRY