Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5410086 | Selective preparation of diethylenetriamine | — | 1995-04-25 |
| 5231230 | Selective production of diethylenetriamine | Arthur R. Doumaux, Jr., Stephen W. King, David James Schreck | 1993-07-27 |
| 5225598 | Selective production of linear pentaethylenehexamine and hydroxyethyldiethylenetriamine | Arthur R. Doumaux, Jr., Stephen W. King | 1993-07-06 |
| 5225599 | Selective production of linear triethylenetetramine and aminoethylethanolamine | Stephen W. King, Arthur R. Doumax, Jr. | 1993-07-06 |
| 5220071 | Selective production of pentaethylenehexamine and hydroxyethyltriethylenetetramine | Arthur R. Doumaux, Jr., Stephen W. King, David James Schreck | 1993-06-15 |
| 5214215 | Selective production of aminoethylethanolamine | Stephen W. King, Arthur R. Doumaux, Jr. | 1993-05-25 |
| 5214213 | Selective production of linear tetraethylenepentamine and hydroxyethyldiethylenetriamine | Stephen W. King, Arthur R. Doumaux, Jr. | 1993-05-25 |
| 5202491 | Process for the manufacture of diethylenetriamine | Charles A. Gibson, David James Schreck | 1993-04-13 |
| 5202490 | Process for thr manufacture of diethylenetriamine and aminoethylethanolamine | Charles A. Gibson, David James Schreck | 1993-04-13 |
| 5196588 | Ethylenediamine and diethylenetriamine producers composition and method for producing same | Charles A. Gibson, David James Schreck | 1993-03-23 |
| 5166415 | Selective production of diethylenetriamine and aminoethylethanolamine | Arthur R. Doumaux, Jr., Stephen W. King | 1992-11-24 |
| 5068329 | Aminoethylethanolamine producers composition and method for producing same | Charles A. Gibson | 1991-11-26 |
| 5068330 | Aminoethyethanolamine and ethylenediamine producers composition and method for producing same | Charles A. Gibson | 1991-11-26 |
| 4977266 | Aminoethylethanolamine and ethylenediamine producers composition and method for producing same | Charles A. Gibson | 1990-12-11 |
| 4973692 | Aminoethylethanolamine producers composition and method for producing same | Charles A. Gibson | 1990-11-27 |