William Walker

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Manchester, GB

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous and transparent coatings for marking substrates
- Patent number 8,642,504
- Issue date Feb 4, 2014
- Gill Jennings & Every LLP
- Jonathan Campbell
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Heat sensitive recording material
- Patent number 7,517,397
- Issue date Apr 14, 2009
- Ciba Specialty Chemicals Corp.
- Jonathan Campbell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of keto acids
- Patent number 5,925,787
- Issue date Jul 20, 1999
- Ciba Specialty Chemicals Corporation
- James Philip Taylor
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Aqueous-based and transparent coatings for marking substrates
- Publication number 20090214835
- Publication date Aug 27, 2009
- Jonathan Campbell
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Heat sensitive recording material
- Publication number 20060240981
- Publication date Oct 26, 2006
- Jonathan Campbell
- C07 - ORGANIC CHEMISTRY