Erich Ruf

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4300 Essen-Haarzopf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Hydrazinium sulphosalicylate, its preparation and its use as an ant...
- Patent number 5,286,284
- Issue date Feb 15, 1994
- Erich Ruf
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Hydrazinium sulphosalicylate
- Patent number 5,202,470
- Issue date Apr 13, 1993
- Erich Ruf
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for the preparation of anhydrous tin-dicarboxylate-dihalides
- Patent number 5,068,374
- Issue date Nov 26, 1991
- T. Goldschmidt AG
- Erich Ruf
- C07 - ORGANIC CHEMISTRY