Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5147719 | Production of phenylene sulfide-arylene sulfide/sulfone block copolymers | Lyle R. Kallenbach | 1992-09-15 |
| 5134224 | Aromatic sulfide/sulfone polymer production | Afif M. Nesheiwat, Lacey E. Scoggins | 1992-07-28 |
| 4990678 | Purification of halogenated aromatic sulfones or ketones | Albert G. Holba, Jimmie J. Straw | 1991-02-05 |
| 4729839 | Water soluble lubricating additives | Alexander D. Schuettenberg, Howard F. Efner, Merlin R. Lindstrom, Rex L. Bobsein, Benedict R. Bonazza | 1988-03-08 |