Adolf Richartz

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Apapa, NG

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Patents Grantslast 30 patents

Information Patent Grant
Hydroxycarboxylic acid/Unsaturated aromatic hydrocarbon resin usefu...
- Patent number 4,929,710
- Issue date May 29, 1990
- Bayer Aktiengesellschaft
- Thomas Scholl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Microcapsules having polyurethane walls
- Patent number 4,874,832
- Issue date Oct 17, 1989
- Bayer Aktiengesellschaft
- Gert Jabs
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL