Edgar Siegel

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for quenching fluorescence, and new cationic or amphoteric...
- Patent number 4,695,405
- Issue date Sep 22, 1987
- Bayer Aktiengesellschaft
- Horst Harnisch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Basic triphendioxazine dyestuffs
- Patent number 4,568,742
- Issue date Feb 4, 1986
- Bayer Aktiengesellschaft
- Wolfgang Harms
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Distyryl compounds
- Patent number 4,317,782
- Issue date Mar 2, 1982
- Bayer Aktiengesellschaft
- Udo Eckstein
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...