Stefan Heffels

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Eppstein, DE

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Patents Grantslast 30 patents

Information Patent Grant
Separation of trioxane from liquid mixtures
- Patent number 6,433,194
- Issue date Aug 13, 2002
- Ticona GmbH
- Elke Schweers
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Apparatus for the uniform distribution of a small amount of liquid...
- Patent number 6,156,120
- Issue date Dec 5, 2000
- Aventis
- Stefan Heffels
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...