Issued Patents All Time
Showing 25 most recent of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12195580 | Curing agent for epoxy resins | Hui Zhou | 2025-01-14 |
| 12091495 | Curing agent for epoxy resins | Hui Zhou | 2024-09-17 |
| 11542364 | Curing agent for epoxy resins | Hui Zhou | 2023-01-03 |
| 11518845 | Curing agent for epoxy resins | Hui Zhou | 2022-12-06 |
| 11292981 | Emulsifier for lubricating oil concentrate | Xiaolong Li, Jun Fan | 2022-04-05 |
| 9987588 | Sterically hindered amines and associated methods | Robert A. Grigsby, Jr., Jingjun Zhou | 2018-06-05 |
| 9700832 | Sterically hindered amines and associated methods | Robert A. Grigsby, Jr., Jingjun Zhou | 2017-07-11 |
| 9352271 | Sterically hindered amines and associated methods | Robert A. Grigsby, Jr., Jingjun Zhou | 2016-05-31 |
| 8664448 | Process for the production and purification of propylene glycol | Srinivasa S. Godavarthy, Ralph M. DiGuilio, Stan Harville, Matthew W. Forkner | 2014-03-04 |
| 7304183 | Co-production of cyclohexylamine and bis(para-aminocyclohexyl) methane | Ralph M. DiGuilio, Pete S. Morford | 2007-12-04 |
| 7169268 | Color stabilization of amines | Mark Posey, Maarten P. ter Weeme | 2007-01-30 |
| 7074963 | Preparation of secondary amines | Christopher Nelli | 2006-07-11 |
| 6888030 | Advances in amination | Wheeler C. Crawford, John M. Larkin | 2005-05-03 |
| 6340559 | Semiconductor developing agent | Stephen Lee Sjoberg, Wheeler C. Crawford | 2002-01-22 |
| 6210452 | Fuel additives | — | 2001-04-03 |
| 6191317 | Process for preparation of polyalkyl hydroxyaromatics | — | 2001-02-20 |
| 6093854 | Process for preparing alkanolamines from polyolefin epoxides | John M. Larkin | 2000-07-25 |
| 6063145 | Fuel compositions containing etheramine alkoxylates | John M. Larkin, Terry L. Renken | 2000-05-16 |
| 6060625 | Process for the production of etheramine alkoxylates | Mike McKinney, Timothy L. Lambert, Edward T. Marquis | 2000-05-09 |
| 5861051 | Process for removing carbon dioxide from gas mixture | James E. Critchfield, Thomas J. Kenney, Patrick E. Holub | 1999-01-19 |
| 5782938 | Fuel composition | — | 1998-07-21 |
| 5516343 | Hydrocarbon compositions containing a polyetheramide additive | — | 1996-05-14 |
| 5436351 | Imidazolidone polyetheramide surfactant | David A. Coffey | 1995-07-25 |
| 5383942 | Fuel composition | Sheldon Herbstman, Joseph M. Russo, Robert L. Zimmerman, Michael Cuscurida | 1995-01-24 |
| 5364971 | Decolorization of polyethylene polyamines using ruthenium | — | 1994-11-15 |