Hartmut Hammer

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Cologne, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing odorless dimethyl ether
- Patent number 5,316,627
- Issue date May 31, 1994
- RWE-DEA Aktiengesellschaft fuer Mineraloel und Chemie
- Hartmut Hammer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reprocessing of contaminated oils
- Patent number 5,049,258
- Issue date Sep 17, 1991
- RWE-Entsorgung Aktiengesellschaft
- Karl H. Keim
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the prevention or reduction of deposits in carburetors,...
- Patent number 5,024,678
- Issue date Jun 18, 1991
- DEA Mineralol Aktiengesellschaft
- Dagmar Mertens-Gottselig
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...