Andrea Preuss

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Hanau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for treating waste water
- Patent number 6,325,946
- Issue date Dec 4, 2001
- Degussa AG
- Caspar-Heinrich Finkeldei
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Aqueous disinfecting agent containing performic acid and peracetic...
- Patent number 6,211,237
- Issue date Apr 3, 2001
- Degussa-Huls AG
- Michael Huss
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for the separation of pyrimidine derivatives from aqueous s...
- Patent number 6,001,838
- Issue date Dec 14, 1999
- Degussa-Huls AG
- Stefan Stockhammer
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for the conditioning of polluted water
- Publication number 20020153329
- Publication date Oct 24, 2002
- Degussa AG
- Dietmar Hempel
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE