Leslie A. Simpson

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Normanby, GB

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Patents Grantslast 30 patents

Information Patent Grant
Gloss emulsion paints
- Patent number 5,952,404
- Issue date Sep 14, 1999
- Tioxide Group Services Limited
- Leslie Ainsley Simpson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Composite pigmentary material
- Patent number 5,869,559
- Issue date Feb 9, 1999
- Tioxide Group Services Limited
- Leslie Ainsley Simpson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Composite pigmentary material
- Patent number 5,672,201
- Issue date Sep 30, 1997
- Tioxide Group Services Limited
- Leslie Ainsley Simpson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Composite pigmentary material
- Patent number 5,643,974
- Issue date Jul 1, 1997
- Tioxide Group Services Limited
- Leslie Ainsley Simpson
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Composite pigmentary material
- Patent number 5,554,215
- Issue date Sep 10, 1996
- Tioxide Specialties Limited
- Leslie A. Simpson
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Composite pigmentary material
- Patent number 5,509,960
- Issue date Apr 23, 1996
- Tioxide Group Services Limited
- Leslie A. Simpson
- B82 - NANO-TECHNOLOGY