Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9422508 | Antioxidant compositions useful in biodiesel and other fatty acid and acid ester compositions | Thomas Edward Carter, Joy Lynn Laningham, Sharon Metcalf Cline | 2016-08-23 |
| 8075804 | Antioxidant compositions useful in biodiesel and other fatty acid and acid ester compositions | Thomas Edward Carter, Joy Lynn Laningham, Sharon Metcalf Cline | 2011-12-13 |
| 6623914 | Method for preparing an acid salt of p-phenylenediamine-type photographic color developers | Lucian Boldea | 2003-09-23 |
| 6551767 | Process for preparing p-phenylenediamine color developers in a concentrated free-base form | Renee Ellen Niziurski-Mann, Lucian Boldea, Michael Wayne Salyer | 2003-04-22 |
| 6548235 | Stabilized solution of an alkali metal or alkaline earth metal salt of p-phenylenediamine color developer and method of making same | — | 2003-04-15 |
| 6492099 | Method for purifying free-base p-phenylenediamine-type photographic color developers | Lucian Boldea | 2002-12-10 |
| 6271424 | Process for the purification of monotertiarybutyl hydroquinone | Lucian Boldea | 2001-08-07 |
| 6087531 | Process for the recovery of naphthalenedicarboxylic acid from poly (alkylene naphthalenedicarboxylate) | Timothy E. Long, James Rodney Bradley | 2000-07-11 |
| 5608120 | Process for the preparation of (arylethyl)-hydroquinones and diesters thereof | — | 1997-03-04 |
| 5107003 | Preparation of quinones by the ceric-catalyzed oxidation of aromatic diols | Yeong-Jen Kuo, Michael Bellas | 1992-04-21 |