Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9040754 | Product recovery process in the filtration of polyether polyols | Robert Osborne | 2015-05-26 |
| 5130470 | Polymerization of tetrahydrofuran using a fluorinated acidic catalyst and maleic acid/maleic anhydride mixture as molecular weight control agent | Suriyanarayan Dorai, Kirk M. Schall, Gary A. Hida | 1992-07-14 |
| 5118869 | Polymerizing tetrahydrofuran to produce polytetramethylene ether glycol using a modified fluorinated resin catalyst containing sulfonic acid groups | Suriyanarayan Dorai, Gerfried Pruckmayr, Marianne Marsi | 1992-06-02 |
| 4590054 | Process for preparing poly(tetramethylene ether) glycol | William W. Kasper, Timothy D. Van Domelen | 1986-05-20 |
| 4569990 | Process for preparing poly(tetramethylene ether) glycol | William W. Kasper, Timothy D. Van Domelen | 1986-02-11 |