Jorg Dorffel

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Marl, DE

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Patents Grantslast 30 patents

Information Patent Grant
Alkyl aryl ketone/formaldehyde resin having high softening point
- Patent number 4,731,434
- Issue date Mar 15, 1988
- Huels Aktiengesellschaft
- Jorg Dorffel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for reacting maleic anhydride with vinylbenzenes
- Patent number 4,614,808
- Issue date Sep 30, 1986
- Huels Aktiengesellschaft
- Jurgen Olbrich
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Naphtha-soluble, hydrogenated alkyl aryl ketone/formaldehyde resins...
- Patent number 4,542,194
- Issue date Sep 17, 1985
- Chemische Werke Huels, A.G.
- Jorg Dorffel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Liquid coating compositions containing little or no solvent
- Patent number 4,204,014
- Issue date May 20, 1980
- Chemische Werke Huels, A.G.
- Jorg Dorffel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Highly pigmentable, liquid coating compositions
- Patent number 4,101,496
- Issue date Jul 18, 1978
- Chemische Werke Huls Aktiengesellschaft
- Jorg Dorffel
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...