Issued Patents All Time
Showing 51–75 of 154 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7547793 | Method for making insect repellent composition | David L. Hallahan | 2009-06-16 |
| 7465813 | Process for making 5-methyl-N-alkyl-2-pyrrolidone from alkyl amine(s) and levulinic acid | — | 2008-12-16 |
| 7405330 | Preparation of polytrimethylene ether glycol and copolymers thereof | Mark Andrew Harmer, Christopher P. Junk | 2008-07-29 |
| 7402711 | Preparation of poly(tetramethylene) glycol | Mark Andrew Harmer, Christopher P. Junk | 2008-07-22 |
| 7348442 | Gas phase synthesis of methylene lactones using catalysts derived from hydrotalcite precursors | Kostantinos Kourtakis | 2008-03-25 |
| 7314962 | Alkylation of aromatic compounds | Mark Andrew Harmer, Christopher P. Junk | 2008-01-01 |
| 7205416 | Liquid phase synthesis of methylene lactones using novel grafted catalyst | Keith W. Hutchenson, Kostantinos Kourtakis | 2007-04-17 |
| 7199254 | Liquid phase synthesis of methylene lactones using novel catalyst | Keith W. Hutchenson, Kostantinos Kourtakis | 2007-04-03 |
| 7166727 | Supercritical fluid phase synthesis of methylene lactones using novel grafted catalyst | Keith W. Hutchenson, Kostantinos Kourtakis | 2007-01-23 |
| 7164032 | Supercritical fluid phase synthesis of methylene lactones using novel catalyst field of invention | Keith W. Hutchenson, Kostantinos Kourtakis | 2007-01-16 |
| 7161014 | Gas phase synthesis of methylene lactones using novel grafted catalyst | Keith W. Hutchenson, Kostantinos Kourtakis | 2007-01-09 |
| 7157588 | Ionic liquids | Mark Andrew Harmer, Christopher P. Junk | 2007-01-02 |
| 7153981 | Supercritical fluid phase synthesis of methylene lactones using oxynitride catalyst | Keith W. Hutchenson, Kostantinos Kourtakis | 2006-12-26 |
| 7153996 | Preparation of levulinic acid esters and formic acid esters from biomass and olefins | Paul Joseph Fagan | 2006-12-26 |
| 7151185 | Gas phase synthesis of methylene lactones using oxynitride catalyst | Keith W. Hutchenson, Kostantinos Kourtakis | 2006-12-19 |
| 7141682 | Liquid phase synthesis of methylene lactones using oxnitride catalyst | Keith W. Hutchenson, Kostantinos Kourtakis | 2006-11-28 |
| 7129362 | Production of 5-methyl-N-aryl-2-pyrrolidone and 5-methyl-N-alkyl-2-pyrrolidone by reductive of levulinic acid esters with aryl and alkyl amines | — | 2006-10-31 |
| 7074968 | Continuous process for the preparation of polytrimethylene ether glycol | Hari Babu Sunkara, Ernest Keith Marchildon, Howard Ng | 2006-07-11 |
| 7071371 | Gel catalysts and methods for their use in catalytic dehydrogenation processes | Kostantinos Kourtakis | 2006-07-04 |
| 7067708 | Process for the preparation of p-xylene | Kostantinos Kourtakis, Norman Herron, Eugene Michael McCarron, III, Paul Douglas Vernooy | 2006-06-27 |
| 7067677 | Production of dihydronepetalactone by hydrogenation of nepetalactone | — | 2006-06-27 |
| 7030249 | Process for converting α-angelica lactone to 5-methyl-N-alkyl-2-pyrrolidone using alkyl amines | — | 2006-04-18 |
| 7030074 | Production of 5-methyl-N-(methyl aryl)-2-pyrrolidone, 5-methyl-N-(methyl cycloalkyl)-2-pyrrolidone and 5-methyl-N-alkyl-2-pyrrolidone by reductive amination of levulinic acid esters with cyano compounds | — | 2006-04-18 |
| 7025819 | Production of 5-methyl-N-(methyl aryl)-2-pyrrolidone, 5-methyl-N-(methyl cycloalkyl)-2-pyrrolidone and 5-methyl-N-alkyl-2-pyrrolidone by reductive amination of levulinic acid esters with cyano compounds | — | 2006-04-11 |
| 7019155 | Hydrogenation of tetrahydroxybutane to tetrahydrofuran | — | 2006-03-28 |