Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5175238 | Polyamide having improved gas barrier properties from adipic acid, isophthalic acid and m-xylylene diamine | John D. Matlack, James G. Villanueva, Bruce A. Newman, Lawrence D. Lillwitz, Melvin L. Luetkens, Jr. | 1992-12-29 | $18,691,000 |
| 5138098 | 2-acyl-6-methylnaphthalene preparation | Gary P. Hagen, John M. Weis, Thomas G. Smith | 1992-08-11 | $24,580,000 |
| 5026917 | Preparation of 2-acyl-6-methylnaphthalenes | Gary P. Hagen, John M. Weis, Thomas G. Smith | 1991-06-25 | $25,183,000 |
| 4777317 | Process for polypropene manufacture | James Moore | 1988-10-11 | $12,801,000 |
| 4620049 | Method and apparatus for controlling polybutene production | Linus K. Leung, Lawrence J. Beck, David Chang | 1986-10-28 | $22,896,000 |