David P. Devonald

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Oldham, GB

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Patents Grantslast 30 patents

Information Patent Grant
Preparation process of benzodifuranone dyes
- Patent number 6,013,811
- Issue date Jan 11, 2000
- BASF Aktiengesellschaft
- David John Milner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Chromophore-containing compounds for opto-electronic applications
- Patent number 5,290,630
- Issue date Mar 1, 1994
- Imperial Chemical Industries PLC
- David P. Devonald
- G02 - OPTICS
Information Patent Grant
Amphiphilic compounds for sequential monolayer deposition
- Patent number 5,275,924
- Issue date Jan 4, 1994
- Imperial Chemical Industries PLC
- David P. Devonald
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the extraction of metal values and novel metal extractants
- Patent number 4,822,880
- Issue date Apr 18, 1989
- Imperial Chemical Industries PLC
- David P. Devonald
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the extraction of metal values with bisimidazole metal...
- Patent number 4,696,801
- Issue date Sep 29, 1987
- Imperial Chemical Industries PLC
- David P. Devonald
- C07 - ORGANIC CHEMISTRY