John Whittal

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Mid-Glamorgan, GB

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Patents Grantslast 30 patents

Information Patent Grant
Polychromic tetracyclo-spiro-adamatylidene derivatives, and polychr...
- Patent number 4,685,783
- Issue date Aug 11, 1987
- The Plessey Company P.L.C.
- Harold H. Heller
- C07 - ORGANIC CHEMISTRY