Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6433221 | Methods of separating catalyst in solution from a reaction mixture produced by oxidation of cyclohexane to adipic acid | Douglas J. Dudgeon, David C. DeCoster, Mark W. Dassel, Eustathios Vassiliou | 2002-08-13 |
| 6433220 | Methods of extracting catalyst from a reaction mixture in the oxidation of cyclohexane to adipic acid | Douglas J. Dudgeon, 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, Douglas J. Dudgeon | 2002-07-09 |
| 6359173 | Methods and devices for oxidizing a hydrocarbon to form an acid | Sharon M. Aldrich, David C. DeCoster, Eustathios Vassiliou, Mark W. Dassel | 2002-03-19 |
| 6337051 | Device for detecting formation of a second liquid phase | David C. DeCoster, Eustathios Vassiliou, Mark W. Dassel, Sharon M. Aldrich | 2002-01-08 |
| 6326455 | Methods for treating cobalt catalyst in oxidation mixtures resulting from oxidation of hydrocarbons to dibasic acids | Eustathios Vassiliou, Mark W. Dassel, Douglas J. Dudgeon, David C. DeCoster | 2001-12-04 |
| 6294689 | Methods for removing catalyst after oxidation of hydrocarbons | Mark W. Dassel, David C. DeCoster, Eustathios Vassiliou | 2001-09-25 |
| 6288270 | Methods for controlling the reaction rate of a hydrocarbon to an acid by making phase-related adjustments | Mark W. Dassel, Eustathios Vassiliou, David C. DeCoster, Sharon M. Aldrich | 2001-09-11 |
| 6288274 | Methods and devices for controlling the reaction rate and/or reactivity of hydrocarbon to an intermediate oxidation product by adjusting the oxidant consumption rate | David C. DeCoster, Eustathios Vassiliou, Mark W. Dassel, Sharon M. Aldrich | 2001-09-11 |
| 6232495 | Methods for treating cobalt catalyst in oxidation mixtures resulting from oxidation of hydrocarbons to dibasic acids | Eustathios Vassiliou, Mark W. Dassel, Douglas J. Dudgeon, 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, Douglas J. Dudgeon, David C. DeCoster | 2001-04-17 |
| 6183698 | Devices for controlling the reaction rate of a hydrocarbon to an intermediate oxidation product by pressure drop adjustments | Eustathios Vassiliou, Mark W. Dassel, David C. DeCoster, Sharon M. Aldrich | 2001-02-06 |
| 6177053 | Devices for removing acetic acid from cyclohexane in the production of adipic acid | David C. DeCoster, Eustathios Vassiliou, Mark W. Dassel | 2001-01-23 |
| 6156868 | Methods for preparing polymers from dibasic acids | Mark W. Dassel, David C. DeCoster, Sharon M. Aldrich, Eustathios Vassiliou | 2000-12-05 |
| 6143927 | Methods for removing catalyst after oxidation of hydrocarbons | Mark W. Dassel, David C. DeCoster, Eustathios Vassiliou | 2000-11-07 |
| 6129875 | Process of separating catalyst from oxidation mixtures | Mark W. Dassel, Douglas J. Dudgeon, David C. DeCoster, Eustathios Vassiliou | 2000-10-10 |
| 6103933 | Methods for controlling the oxidation rate of a hydrocarbon by adjusting the ratio of the hydrocarbon to a rate-modulator | David C. DeCoster, Mark W. Dassel, Eustathios Vassiliou | 2000-08-15 |
| 6039902 | Methods of recycling catalyst in oxidations of hydrocarbons | David C. DeCoster, Eustathios Vassiliou, Mark W. Dassel | 2000-03-21 |
| 6037491 | Methods and devices for controlling hydrocarbon oxidations to respective acids by adjusting the solvent to hydrocarbon ratio | Eustathios Vassiliou, Mark W. Dassel, Sharon M. Aldrich, David C. DeCoster | 2000-03-14 |
| 5998572 | Methods and devices for controlling the oxidation of a hydrocarbon to an acid by regulating temperature/conversion relationship in multi-stage arrangements | Mark W. Dassel, Eustathios Vassiliou, David C. DeCoster | 1999-12-07 |
| 5980801 | Methods of preparing an intermediate oxidation product from a hydrocarbon by utilizing an activated initiator | Mark W. Dassel, Eustathios Vassiliou, David C. DeCoster | 1999-11-09 |
| 5929277 | Methods of removing acetic acid from cyclohexane in the production of adipic acid | David C. DeCoster, Eustathios Vassiliou, Mark W. Dassel | 1999-07-27 |
| 5922908 | Methods for preparing dibasic acids | Mark W. Dassel, David C. DeCoster, Sharon M. Aldrich, Eustathios Vassiliou | 1999-07-13 |
| 5908589 | Methods for separating catalyst from oxidation mixtures containing dibasic acids | David C. DeCoster, Eustathios Vassiliou, Mark W. Dassel, Douglas J. Dudgeon | 1999-06-01 |
| 5877341 | Methods and devices for controlling the reaction rate of a hydrocarbon to an intermediate oxidation product by pressure drop adjustments | Eustathios Vassiliou, Mark W. Dassel, David C. DeCoster, Sharon M. Aldrich | 1999-03-02 |