Dennis G. A. Nelson

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West Chester, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Quaternary nitrogen-containing phosphonate compounds, pharmaceutica...
- Patent number 5,770,586
- Issue date Jun 23, 1998
- The Procter & Gamble Company
- Frank Hallock Ebetino
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oral care compositions comprising certain substituted diphenyl ethers
- Patent number 5,578,295
- Issue date Nov 26, 1996
- The Procter & Gamble Company
- Marion D. Francis
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Methods and compositions of diphenyl ether phosphate esters for the...
- Patent number 5,447,923
- Issue date Sep 5, 1995
- The Proctor & Gamble Company
- Carl E. Catrenich
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Quaternary nitrogen-containing phosphonate compounds, pharmaceutica...
- Patent number 5,391,743
- Issue date Feb 21, 1995
- Procter & Gamble Pharmaceuticals, Inc.
- Frank H. Ebetino
- C07 - ORGANIC CHEMISTRY