Peter Smith

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Manchester, EN

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Patents Grantslast 30 patents

Information Patent Grant
Disperse azo dyestuffs derived from a 3-amino-7-azabenz-2,1-isothia...
- Patent number 4,081,435
- Issue date Mar 28, 1978
- Imperial Chemical Industries Limited
- David Boyd Baird
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Disperse monoazo dyestuffs containing a thiophene residue
- Patent number 4,079,050
- Issue date Mar 14, 1978
- Imperial Chemical Industries Limited
- David Boyd Baird
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for extracting cobalt, copper or zinc values using a 1-alky...
- Patent number 4,039,612
- Issue date Aug 2, 1977
- Imperial Chemical Industries Limited
- Raymond Price
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...