Paula L. Humphreys

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San Ramon, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of symmetrical tetrachloropyridine from chlorinated bet...
- Patent number 5,073,636
- Issue date Dec 17, 1991
- The Dow Chemical Company
- Paula L. Humphreys
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of symmetrical tetrachloropyridine from chlorinated bet...
- Patent number 4,968,807
- Issue date Nov 6, 1990
- The Dow Chemical Company
- Paula L. Humphreys
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of selectively chlorinating 2-chloro-5-(trichloromethyl) pyr...
- Patent number 4,701,532
- Issue date Oct 20, 1987
- The Dow Chemical Company
- Paula L. Humphreys
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of symmetrical tetrachloropyridine from chlorinated .be...
- Patent number 4,681,945
- Issue date Jul 21, 1987
- The Dow Chemical Company
- Paula L. Humphreys
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recovery of catalysts as W, Mo or Ru oxychlorides in liquid phase c...
- Patent number 4,532,111
- Issue date Jul 30, 1985
- The Dow Chemical Company
- Paula L. Humphreys
- C07 - ORGANIC CHEMISTRY