John Heathcote Atherton

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Huddersfield, GB

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of aryl hydrazone and aryl hydrazine
- Patent number 7,138,548
- Issue date Nov 21, 2006
- Avecia Limited
- Andrew John Blacker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the nitration of diphenylethers
- Patent number 6,028,219
- Issue date Feb 22, 2000
- Zeneca Limited
- John Heathcote Atherton
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Nitration process
- Patent number 5,952,531
- Issue date Sep 14, 1999
- Zeneca Limited
- Ian Jeffrey Grassham Priestley
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of N-phosphonomethylalycine and salts th...
- Patent number 5,679,843
- Issue date Oct 21, 1997
- Zeneca Limited
- Ian Hodgkinson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous azo coupling process
- Patent number 4,252,718
- Issue date Feb 24, 1981
- Imperial Chemical Industries Limited
- John H. Atherton
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process and apparatus for the diazotization of amines
- Patent number 4,234,478
- Issue date Nov 18, 1980
- Imperial Chemical Industries Limited
- John H. Atherton
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of analysis
- Patent number 4,204,838
- Issue date May 27, 1980
- Imperial Chemical Industries Limited
- John H. Atherton
- G01 - MEASURING TESTING