Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7922896 | Method for reducing fouling of coker furnaces | Keith D. Alexander, Gary C. Hughes, James R. Roth | 2011-04-12 |
| 7371317 | Process for producing coke | Ivan G. McConkey, Bruce Goddard, James R. Roth | 2008-05-13 |
| 5175238 | Polyamide having improved gas barrier properties from adipic acid, isophthalic acid and m-xylylene diamine | John D. Matlack, James G. Villanueva, Lawrence D. Lillwitz, Melvin L. Luetkens, Jr., Gregory E. Schmidt | 1992-12-29 |
| 5128026 | Production of uniform premium coke by oxygenation of a portion of the coke feedstock | Lloyd G. Becraft | 1992-07-07 |
| 5071515 | Method for improving the density and crush resistance of coke | Lynn J. Whitebay | 1991-12-10 |
| 5034116 | Process for reducing the coarse-grain CTE of premium coke | — | 1991-07-23 |
| 5028462 | Molded bottles and method of producing same | John D. Matlack, James G. Villanueva, Lawrence D. Lillwitz, Melvin L. Luetkens, Jr. | 1991-07-02 |
| 4894144 | Preparation of lower sulfur and higher sulfur cokes | Bharat S. Chahar | 1990-01-16 |
| 4822479 | Method for improving the properties of premium coke | Ta-Wei Fu | 1989-04-18 |
| 4758329 | Premium coking process | Ta-Wei Fu | 1988-07-19 |
| 4720338 | Premium coking process | John K. Shigley, Ta-Wei Fu | 1988-01-19 |
| 4713168 | Premium coking process | — | 1987-12-15 |
| 4351702 | Processing of heavy high-sulfur feedstocks | Lyndon D. Boyer | 1982-09-28 |