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Hermann Schmitt
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Rodenbach, DE
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last 30 patents
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Patent Grant
Process for the preparation of 3,5,5-trimethylcyclohexa-3-en-1-one...
Patent number
6,265,617
Issue date
Jul 24, 2001
Degussa-Hüls Aktiengesellschaft
Steffen Krill
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the production of trimethylhydroquinone
Patent number
6,063,968
Issue date
May 16, 2000
Degussa Aktiengesellschaft
Frank Hubner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of preparing 3-aminomethyl-3,5,5-trimethyl cyclohexyl amine
Patent number
5,283,366
Issue date
Feb 1, 1994
Degussa AG
Klaus Huthmacher
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bis(3-cyano-3,5,5-trimethyl-cyclohexylidene)-azine, a method of its...
Patent number
5,166,396
Issue date
Nov 24, 1992
Degussa AG
Klaus Hutchmacher
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bis(3-cyano-3,5,5-trimethyl-cyclohexylidene)-azine, a method of its...
Patent number
5,166,444
Issue date
Nov 24, 1992
Degussa AG
Klaus Hutchmacher
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of preparing 1,3,3-trimethyl-5-oxo-cyclohexane carbonitrile
Patent number
5,091,554
Issue date
Feb 25, 1992
Degussa AG
Klaus Huthmacher
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the purification of waste water containing ammonia and...
Patent number
4,137,166
Issue date
Jan 30, 1979
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
Werner Heimberger
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE