David J. Royall

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Guisborough, GB

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of therephthalic acid
- Patent number 5,426,217
- Issue date Jun 20, 1995
- Imperial Chemical Industries, PLC
- David J. Royall
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recovery of bromine from effluent gases in the oxidation of substit...
- Patent number 4,317,919
- Issue date Mar 2, 1982
- Imperial Chemical Industries Limited
- Peter J. Jones
- C07 - ORGANIC CHEMISTRY