William E. Bachmann

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North Haledon, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of flavanthrone pigment
- Patent number 3,962,251
- Issue date Jun 8, 1976
- Allied Chemical Corporation
- William E. Bachmann
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...