Douglas L. Pearson

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Midland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for heterocyclic sulfonyl chloride compounds
- Patent number 6,162,915
- Issue date Dec 19, 2000
- Dow AgroSciences LLC
- Douglas L. Pearson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-arylsulfilimine compounds and their use as catalysts in the prepa...
- Patent number 6,114,580
- Issue date Sep 5, 2000
- Dow AgroSciences LLC
- James W. Ringer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-arylsulfilimine compounds and their use as catalysts in the prepa...
- Patent number 5,973,148
- Issue date Oct 26, 1999
- Dow AgroSciences LLC
- James W. Ringer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of n-arylarylsulfonamide compounds
- Patent number 5,959,106
- Issue date Sep 28, 1999
- Dow AgroSciences LLC
- Douglas L. Pearson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 2-ethoxy-4,6-dihydroxypyrimidine
- Patent number 5,552,546
- Issue date Sep 3, 1996
- DowElanco
- Douglas L. Pearson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5-alkoxy[1,2,4]triazolo[1,5-c]pyrimidine-2(3H)--thione compounds an...
- Patent number 5,488,109
- Issue date Jan 30, 1996
- DowElanco
- Thomas A. Olmstead
- C07 - ORGANIC CHEMISTRY