David M. Watkins

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Patents Grantslast 30 patents

Information Patent Grant
Compositions containing platinum
- Patent number 4,250,189
- Issue date Feb 10, 1981
- Johnson, Matthey & Co., Limited
- Paul D. Hydes
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compositions containing platinum
- Patent number 4,228,090
- Issue date Oct 14, 1980
- Johnson, Matthey & Co., Limited
- Paul C. Hydes
- C07 - ORGANIC CHEMISTRY