Norbert Ripke

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Haltern, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of neutralizing alkyl polyglycoside solutions
- Patent number 5,478,931
- Issue date Dec 26, 1995
- Huels Aktiengesellschaft
- Norbert Ripke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of separation of fatty alcohols from solutions comprising al...
- Patent number 5,234,554
- Issue date Aug 10, 1993
- Huels Aktiengesellschaft
- Bernd Muller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of light-colored alkyl polyglycosides
- Patent number 5,212,292
- Issue date May 18, 1993
- Huels Aktiengesellschaft-PB 15
- Norbert Ripke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of carbohydrate surfactants
- Patent number 5,166,337
- Issue date Nov 24, 1992
- Huels Aktiengesellschaft
- Norbert Ripke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Demulsifiers for breaking petroleum emulsions
- Patent number 5,164,116
- Issue date Nov 17, 1992
- Huels Aktiengesellschaft
- Rudi Berkhof
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the sulfation of alkyloligoglycosides
- Patent number 4,977,253
- Issue date Dec 11, 1990
- Huels Aktiengesellschaft
- Norbert Ripke
- C07 - ORGANIC CHEMISTRY