Steven R. Duff

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DeSoto, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Amine preparation
- Patent number 5,648,540
- Issue date Jul 15, 1997
- NPS Pharmaceuticals, Inc.
- Bradford C. VanWagenen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-((R)-.alpha.-methyl-3-methoxybenzyl)-3-(2-chlorobenzene)propanamide
- Patent number 5,633,404
- Issue date May 27, 1997
- NPS Pharmaceuticals, Inc.
- Bradford C. VanWagenen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of hydrogen and bismuth (phosph/sulf) ated saccharides
- Patent number 4,948,883
- Issue date Aug 14, 1990
- Marion Laboratories, Inc.
- Steven R. Duff
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
One-pot preparation of bismuth (phosph/sulf)ated saccharides
- Patent number 4,940,786
- Issue date Jul 10, 1990
- Marion Laboratories, Inc.
- Steven R. Duff
- C07 - ORGANIC CHEMISTRY