Philip A. Lefrancois

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Cranford, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of recovering alkali metal fluorides from organic slurry
- Patent number 4,793,936
- Issue date Dec 27, 1988
- Allied-Signal Inc.
- Philip A. Lefrancois
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Producing silane from silicon tetrafluoride
- Patent number 4,407,783
- Issue date Oct 4, 1983
- Allied Corporation
- Harry E. Ulmer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of silane
- Patent number 4,374,111
- Issue date Feb 15, 1983
- Allied Corporation
- Philip A. Lefrancois
- C01 - INORGANIC CHEMISTRY