Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7253315 | Process for preparing fluorocarboxylic acids | Steven H. Swearingen, Takuya Ichida, Shigeyuki Yoshii | 2007-08-07 |
| 7126016 | Process for preparing fluorocarboxylic acids | Steven H. Swearingen, Takuya Ichida, Shuji Itatani | 2006-10-24 |
| 6720437 | Fluorinated carboxylic acid recovery and reuse | Clay Woodward Jones | 2004-04-13 |
| 5569797 | Method of removing olefinic impurities from hydrochlorofluorocarbons | Velliyur Nott Mallikarjuna Rao | 1996-10-29 |
| 4998709 | Method of making graphite electrode nipple | Robert R. Griffin, Keith M. Roussel | 1991-03-12 |
| 4999099 | Process for making mesophase pitch | Manfred Katz | 1991-03-12 |
| 4959139 | Binder pitch and method of preparation | Dave L. Blakeburn, II, Keith M. Roussel | 1990-09-25 |
| 4892641 | Process for the production of mesophase pitch | Manfred Katz | 1990-01-09 |
| 4892642 | Process for the production of mesophase | Hugh E. Romine | 1990-01-09 |
| 4822479 | Method for improving the properties of premium coke | Bruce A. Newman | 1989-04-18 |
| 4758329 | Premium coking process | Bruce A. Newman | 1988-07-19 |
| 4720338 | Premium coking process | Bruce A. Newman, John K. Shigley | 1988-01-19 |