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Ian Stuart Edworthy
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Washington, GB
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last 30 patents
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Patent Grant
Tracers and method of marking liquids
Patent number
9,506,000
Issue date
Nov 29, 2016
Johnson Matthey Public Limited Company
Vincent Brian Croud
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Tracers and method of marking hydrocarbon liquids
Patent number
9,090,841
Issue date
Jul 28, 2015
Johnson Matthey Public Limited Company
Duncan William John McCallien
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Method and apparatus for measuring fluorescence in liquids
Patent number
8,906,698
Issue date
Dec 9, 2014
Johnson Matthey PLC
Vincent Brian Croud
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
COMPOSITION FOR PREPARATION OF ELECTRODE MATERIAL
Publication number
20220376242
Publication date
Nov 24, 2022
Johnson Matthey Public Limited Company
Ian EDWORTHY
C01 - INORGANIC CHEMISTRY
Information
Patent Application
TRACERS AND METHOD OF MARKING LIQUIDS
Publication number
20140331547
Publication date
Nov 13, 2014
Johnson Matthey Public Limited Company
Vincent Brian Croud
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
TRACERS AND METHOD OF MARKING HYDROCARBON LIQUIDS
Publication number
20140331548
Publication date
Nov 13, 2014
Johnson Matthey Public Limited Company
Duncan William John McCallien
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
METHOD AND APPARATUS FOR MEASURING FLUORESCENCE IN LIQUIDS
Publication number
20120034702
Publication date
Feb 9, 2012
Johnson Matthey Public Limited Company
Vincent Brian Croud
G01 - MEASURING TESTING