Guenther Elfers

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Birkenau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Petroleum emulsion breakers
- Patent number 5,445,765
- Issue date Aug 29, 1995
- BASF Aktiengesellschaft
- Guenther Elfers
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Oil-demulsifiers based on an alkoxylate and preparation of this alk...
- Patent number 5,401,439
- Issue date Mar 28, 1995
- BASF Aktiengesellschaft
- Guenther Elfers
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Use of trialkanolamine polyethers as demulsifiers for oil-in-water...
- Patent number 5,393,463
- Issue date Feb 28, 1995
- BASF Aktiengesellschaft
- Rolf Fikentscher
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Methods of demulsifying employing condensates as demulsifiers for o...
- Patent number 5,234,626
- Issue date Aug 10, 1993
- BASF Aktiengesellschaft
- Rolf Fikentscher
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...