Michael Stehr

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Gelsenkirchen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of alkyl sulfate powder having a high b...
- Patent number 5,412,136
- Issue date May 2, 1995
- Huels Aktiengesellschaft
- Michael Stehr
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Use of polymethylalkanes as biodegradable base oils in lubricants a...
- Patent number 5,366,658
- Issue date Nov 22, 1994
- Huls Aktiengesellschaft
- Dirk Hoppe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyethers, their production and use
- Patent number 5,180,856
- Issue date Jan 19, 1993
- Huels Aktiengesellschaft
- Michael Stehr
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...