John F. Droughton

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Tarvin, GB

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Patents Grantslast 30 patents

Information Patent Grant
Dry powder compositions of vermiculite lamellae and additives
- Patent number 4,324,838
- Issue date Apr 13, 1982
- Imperial Chemical Industries Limited
- Denis G. Ballard
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES