DP

Douglas L. Pearson

DA Dow Agrosciences: 4 patents #392 of 1,183Top 35%
DO Dowelanco: 2 patents #63 of 212Top 30%
🗺 Michigan: #15,670 of 86,293 inventorsTop 20%
Overall (All Time): #885,462 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6162915 Process for heterocyclic sulfonyl chloride compounds Jimmy J. Tai, Timothy J. Adaway 2000-12-19
6114580 N-arylsulfilimine compounds and their use as catalysts in the preparation of N-arylarylsulfonamide compounds James W. Ringer, Carmen A. Scott, Anne P. Wallin 2000-09-05
5973148 N-arylsulfilimine compounds and their use as catalysts in the preparation of N-arylarylsulfonamide compounds James W. Ringer, Carmen A. Scott, Anne P. Wallin 1999-10-26
5959106 Preparation of n-arylarylsulfonamide compounds Timothy J. Adaway 1999-09-28
5552546 Process for the preparation of 2-ethoxy-4,6-dihydroxypyrimidine Jon A. Orvik, Gary Roth, Carmen A. Scott, Ron B. Leng, Dawn Shiang 1996-09-03
5488109 5-alkoxy[1,2,4]triazolo[1,5-c]pyrimidine-2(3H)--thione compounds and their use in the preparation of and 2-chlorosulfonyl-5-alkoxy[1,2,4]triazolo[1,5-c]-pyrimidine compounds Thomas A. Olmstead, Michael A. Gonzalez, Jon A. Orvik, James W. Ringer, Dawn Shiang +2 more 1996-01-30