Charles R. Howe

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Richmond, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Liquid scrubbing of gas-phase contaminants
- Patent number 5,651,917
- Issue date Jul 29, 1997
- Philip Morris Incorporated
- Charles T. Bridges
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Liquid scrubbing of gas-phase contaminants
- Patent number 5,527,517
- Issue date Jun 18, 1996
- Philip Morris Incorporated
- Charles T. Bridges
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Smoking compositions containing an .alpha.-alkylcinnamaldehyde-rele...
- Patent number 5,301,693
- Issue date Apr 12, 1994
- Philip Morris Incorporated
- W. Geoffrey Chan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Extraction process using a novel organic acid as a liquid ion excha...
- Patent number 5,230,802
- Issue date Jul 27, 1993
- Philip Morris Incorporated
- Robert N. Ferguson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sclarai alkyl ethers and smoking compositions containing a sclaral...
- Patent number 4,872,917
- Issue date Oct 10, 1989
- Philip Morris Incorporated
- Charles R. Howe
- C07 - ORGANIC CHEMISTRY