Ewald Vollmerhaus

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Dirmstein, DE

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Patents Grantslast 30 patents

Information Patent Grant
Drying and purification of benzanthrone
- Patent number 5,281,729
- Issue date Jan 25, 1994
- BASF Aktiengesellschaft
- Klaus Borho
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...