David G. Hey

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Northwich, GB

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Patents Grantslast 30 patents

Information Patent Grant
Cleaning compositions based on trichlorotrifluoroethane and alcohols
- Patent number 4,599,187
- Issue date Jul 8, 1986
- Imperial Chemical Industries PLC
- David G. Hey
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Cleaning composition comprising 1,1,2-trichloro-1,2,2-trifluoroetha...
- Patent number 4,303,558
- Issue date Dec 1, 1981
- Imperial Chemical Industries Limited
- David G. Hey
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Cleaning composition
- Patent number 4,268,407
- Issue date May 19, 1981
- Imperial Chemical Industries Limited
- David G. Hey
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Cleaning composition
- Patent number 4,260,510
- Issue date Apr 7, 1981
- Imperial Chemical Industries Limited
- David G. Hey
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...