Guenther Riedel

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Heidelberg-Wieblingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Marked mineral oils and method of marking mineral oils with basic dyes
- Patent number 5,145,573
- Issue date Sep 8, 1992
- BASF Aktiengesellschaft
- Guenther Riedel
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Oil-soluble azo dye with N-substituted .beta.-naphthylamine as coup...
- Patent number 4,315,756
- Issue date Feb 16, 1982
- BASF Aktiengesellschaft
- Georg Zeidler
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...