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Philip Edward Langley
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Stockton-on-Tees, EN
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last 30 patents
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Patent Grant
Cyclohexane oxidation process
Patent number
4,055,600
Issue date
Oct 25, 1977
Imperial Chemical Industries Limited
Philip Edward Langley
C07 - ORGANIC CHEMISTRY
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Patent Grant
Adipic acid manufacture
Patent number
3,997,601
Issue date
Dec 14, 1976
Imperial Chemical Industries Limited
Philip Edward Langley
C07 - ORGANIC CHEMISTRY