Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6300496 | Processes for producing epsilon caprolactams | Kurt D. Olson, Thomas C. Eisenschmid, David R. Bryant | 2001-10-09 |
| 5362700 | Catalysts and process of making same for the production of linear polyamines | — | 1994-11-08 |
| 5231230 | Selective production of diethylenetriamine | Lloyd M. Burgess, Stephen W. King, David James Schreck | 1993-07-27 |
| 5225600 | Amines catalysis using group VIB metal-containing condensation catalysts | Stephen W. King, David James Schreck | 1993-07-06 |
| 5225598 | Selective production of linear pentaethylenehexamine and hydroxyethyldiethylenetriamine | Stephen W. King, Lloyd M. Burgess | 1993-07-06 |
| 5220071 | Selective production of pentaethylenehexamine and hydroxyethyltriethylenetetramine | Lloyd M. Burgess, Stephen W. King, David James Schreck | 1993-06-15 |
| 5214213 | Selective production of linear tetraethylenepentamine and hydroxyethyldiethylenetriamine | Stephen W. King, Lloyd M. Burgess | 1993-05-25 |
| 5214215 | Selective production of aminoethylethanolamine | Stephen W. King, Lloyd M. Burgess | 1993-05-25 |
| 5210306 | Promoted amines catalysis | David James Schreck, Stephen W. King, George A. Skoler | 1993-05-11 |
| 5202492 | Amines catalysis using metallic phosphate condensation catalysts having a cyclic structure | David James Schreck | 1993-04-13 |
| 5202489 | Amines catalysis | David James Schreck, George A. Skoler, Stephen W. King | 1993-04-13 |
| 5166415 | Selective production of diethylenetriamine and aminoethylethanolamine | Stephen W. King, Lloyd M. Burgess | 1992-11-24 |
| 5112984 | Processes for the preparation of cyclic nitrogen-containing compounds | Forrest A. Richey, Jr. | 1992-05-12 |
| 5101074 | Vicinal di(hetro) alkylene organometalates and processes for the production of amines therewith | Stephen W. King, David James Schreck, George A. Skoler | 1992-03-31 |
| 4983736 | Amines catalysis using metallic polyphosphate condensation catalysts having a condensed structure | David James Schreck | 1991-01-08 |
| 4879401 | Process for removal of impurities in alkyl nitrite formation | James R. Nelson | 1989-11-07 |
| 4827037 | Quality of catalytically prepared polyalkylene polyamines | — | 1989-05-02 |
| 4629806 | Vapor state formation of diesters of oxalic acid | Thomas C. Cleveland, James E. Deitzler, Joseph P. Henry, John M. Hurt, Louis A. Kapicak +1 more | 1986-12-16 |
| 4353843 | Preparation of nitrite esters | James M. Downey, Joseph P. Henry, John M. Hurt | 1982-10-12 |