Hans W. Linden

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of polysuccinimide, polyaspartic acid a...
- Patent number 5,543,490
- Issue date Aug 6, 1996
- Bayer AG
- Torsten Groth
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for the isolation of 1-naphthylamine-4,8-disulphonic acid
- Patent number 4,407,762
- Issue date Oct 4, 1983
- Bayer Aktiengesellschaft
- Heinz U. Blank
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the isolation of 1-naphthylamine-4,6- and 1-naphthylami...
- Patent number 4,348,336
- Issue date Sep 7, 1982
- Bayer Aktiengesellschaft
- Heinz U. Blank
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 1-naphthylamine-4,6-disulphonic acid...
- Patent number 4,338,261
- Issue date Jul 6, 1982
- Bayer Aktiengesellschaft
- Heinz U. Blank
- C07 - ORGANIC CHEMISTRY