David John Ritchie

Person

Grangemouth, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Chemical process
- Patent number 7,491,834
- Issue date Feb 17, 2009
- Syngenta Crop Protection, Inc.
- Raymond Vincent Heavon Jones
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 3-isochromanone
- Patent number 6,888,008
- Issue date May 3, 2005
- Syngenta Limited
- Raymond Vincent Heavon Jones
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 3-isochromanone
- Patent number 6,207,840
- Issue date Mar 27, 2001
- Zeneca Limited
- David John Ritchie
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Chemical process
- Patent number 6,096,892
- Issue date Aug 1, 2000
- Zeneca Limited
- Barry Stuart Crombie
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
One-step process for preparing methyl 2-(halomethyl)phenylacetate f...
- Patent number 6,048,998
- Issue date Apr 11, 2000
- Zeneca Limited
- David John Ritchie
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 4,6-dichloro-pyrimidine
- Patent number 6,018,045
- Issue date Jan 25, 2000
- ZENECA Limited
- Alan John Whitton
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 2-(6-substituted pyrid-2-yloxymethyl...
- Patent number 6,015,905
- Issue date Jan 18, 2000
- ZENECA Limited
- David John Ritchie
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of N-phosphonomethyliminodiacetic acid
- Patent number 5,527,953
- Issue date Jun 18, 1996
- Zeneca Limited
- Raymond V. H. Jones
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Chemical process
- Publication number 20060163159
- Publication date Jul 27, 2006
- Raymond Vincent Heavon Jones
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing 3-isochromanone
- Publication number 20020143193
- Publication date Oct 3, 2002
- Raymond Vincent Heavon Jones
- C07 - ORGANIC CHEMISTRY

David John Ritchie

Person

Patents Grantslast 30 patents

Chemical process

Process for preparing 3-isochromanone

Process for preparing 3-isochromanone

Chemical process

One-step process for preparing methyl 2-(halomethyl)phenylacetate f...

Process for preparing 4,6-dichloro-pyrimidine

Process for the preparation of 2-(6-substituted pyrid-2-yloxymethyl...

Process for the manufacture of N-phosphonomethyliminodiacetic acid

Patents Applicationslast 30 patents

Chemical process

Process for preparing 3-isochromanone