Werner Ogrzewalla

Follow

Person

Dorsten, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing fine particle expandable styrene polymers con...
- Patent number 4,228,244
- Issue date Oct 14, 1980
- Chemische Werke Huls AG
- Josef K. Rigler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...