Rolf Wirthwein

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Hanau, DT

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of percarboxylic acid solutions
- Patent number 4,089,892
- Issue date May 16, 1978
- Deutsche Gold-und Silberscheideanstalt Vormals Roessler
- Willi Hofen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for separating solutions containing propylene oxide
- Patent number 4,070,253
- Issue date Jan 24, 1978
- Bayer Aktiengesellschaft
- Willi Hofen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of percarboxylic acid solutions
- Patent number 4,059,619
- Issue date Nov 22, 1977
- Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- Gunter Prescher
- C07 - ORGANIC CHEMISTRY