Erich Kramer

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Leverkusen, DT

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of concentrated solutions of anionic dy...
- Patent number 4,087,245
- Issue date May 2, 1978
- Bayer Aktiengesellschaft
- Erich Kramer
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Polyazo dyestuffs having a dianisidine component, a diaminophenyl s...
- Patent number 4,083,845
- Issue date Apr 11, 1978
- Bayer Aktiengesellschaft
- Erich Kramer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of concentrated solutions of urea compo...
- Patent number 4,077,767
- Issue date Mar 7, 1978
- Bayer Aktiengesellschaft
- Wolf-Eckhard Bleck
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...