William E. Zentz

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Iselin, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Suspensions of reactive acidic clay pigments
- Patent number 4,118,247
- Issue date Oct 3, 1978
- Engelhard Minerals & Chemicals Corporation
- Francis R. Marchetti
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES