Douglas M. Richards

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Removal of ethylene from silane using a distillation step after sep...
- Patent number 5,211,931
- Issue date May 18, 1993
- Ethyl Corporation
- Robert H. Allen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of silane
- Patent number 5,075,092
- Issue date Dec 24, 1991
- Ethyl Corporation
- James E. Boone
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of silane
- Patent number 4,847,061
- Issue date Jul 11, 1989
- Ethyl Corporation
- Joseph A. Bossier
- C01 - INORGANIC CHEMISTRY