Wolfgang Biedermann

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Krefeld, DT

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing thymol
- Patent number 4,086,283
- Issue date Apr 25, 1978
- Bayer Aktiengesellschaft
- Wolfgang Biedermann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous process for the production of d,l'menthol
- Patent number 4,058,571
- Issue date Nov 15, 1977
- Bayer Aktiengesellschaft
- Wolfgang Biedermann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrogenation catalyst and process for preparing same
- Patent number 4,057,513
- Issue date Nov 8, 1977
- Bayer Aktiengesellschaft
- Wolfgang Biedermann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for preparing 2-methylpropane-1,3-diol
- Patent number 4,036,895
- Issue date Jul 19, 1977
- Bayer Aktiengesellschaft
- Axel Vogel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for removing 1,4-naphthoquinone from phthalic anhydride
- Patent number 4,026,770
- Issue date May 31, 1977
- Bayer Aktiengesellschaft
- Gerhard Scharfe
- C07 - ORGANIC CHEMISTRY