John Barry Henshall

Person

Manchester, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Heat sensitive recording material
- Patent number 6,624,117
- Issue date Sep 23, 2003
- Ciba Specialty Chemicals Corporation
- Michael Heneghan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Crystalline fluoran compound
- Patent number 6,071,853
- Issue date Jun 6, 2000
- Ciba Specialty Chemicals Corporation
- Roy Alan Kirk
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Chemical process
- Patent number 5,936,119
- Issue date Aug 10, 1999
- Ciba Specialty Chemicals Corporation
- John Barry Henshall
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification process
- Patent number 5,917,086
- Issue date Jun 29, 1999
- Ciba Specialty Chemicals Corporation
- James Philip Taylor
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of aminophenols
- Patent number 5,908,961
- Issue date Jun 1, 1999
- Ciba Specialty Chemicals Corporation
- John Barry Henshall
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of fluoran compounds
- Patent number 5,166,350
- Issue date Nov 24, 1992
- Ciba-Geigy Corporation
- Davor Bedekovic
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of triaryl methane compounds
- Patent number 4,533,499
- Issue date Aug 6, 1985
- Ciba-Geigy Corporation
- Malcolm C. Clark
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of sulphinates of benzhydrol compounds
- Patent number 4,348,330
- Issue date Sep 7, 1982
- Ciba-Geigy Corporation
- Malcolm C. Clark
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Heat sensitive recording material
- Publication number 20050106491
- Publication date May 19, 2005
- John Barry Henshall
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Production of keto acids
- Publication number 20040242891
- Publication date Dec 2, 2004
- Jonathan Campbell
- C07 - ORGANIC CHEMISTRY

John Barry Henshall

Person

Patents Grantslast 30 patents

Heat sensitive recording material

Crystalline fluoran compound

Chemical process

Purification process

Production of aminophenols

Process for the manufacture of fluoran compounds

Process for the production of triaryl methane compounds

Process for the production of sulphinates of benzhydrol compounds

Patents Applicationslast 30 patents

Heat sensitive recording material

Production of keto acids