DD

Douglas J. Dudgeon

RP Rpc: 7 patents #5 of 16Top 35%
TR Twenty-First Century Research: 1 patents #6 of 6Top 100%
Overall (All Time): #664,851 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6433220 Methods of extracting catalyst from a reaction mixture in the oxidation of cyclohexane to adipic acid David C. DeCoster, Mark W. Dassel, Eustathios Vassiliou, Ader M. Rostami 2002-08-13
6433221 Methods of separating catalyst in solution from a reaction mixture produced by oxidation of cyclohexane to adipic acid Ader M. Rostami, David C. DeCoster, Mark W. Dassel, Eustathios Vassiliou 2002-08-13
6417128 Methods and replacing water and cyclohexanone with acetic acid in aqueous solutions of catalyst David C. DeCoster, Mark W. Dassel, Eustathios Vassiliou, Ader M. Rostami 2002-07-09
6326455 Methods for treating cobalt catalyst in oxidation mixtures resulting from oxidation of hydrocarbons to dibasic acids Eustathios Vassiliou, Mark W. Dassel, Ader M. Rostami, David C. DeCoster 2001-12-04
6232495 Methods for treating cobalt catalyst in oxidation mixtures resulting from oxidation of hydrocarbons to dibasic acids Eustathios Vassiliou, Mark W. Dassel, Ader M. Rostami, David C. DeCoster 2001-05-15
6218573 Methods of recovering catalyst in solution in the oxidation of cyclohexane to adipic acid Eustathios Vassiliou, Mark W. Dassel, Ader M. Rostami, David C. DeCoster 2001-04-17
6129875 Process of separating catalyst from oxidation mixtures Mark W. Dassel, Ader M. Rostami, David C. DeCoster, Eustathios Vassiliou 2000-10-10
5908589 Methods for separating catalyst from oxidation mixtures containing dibasic acids David C. DeCoster, Eustathios Vassiliou, Mark W. Dassel, Ader M. Rostami 1999-06-01