Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6972346 | Solid acid catalyzed reactive stripping of impurities formed during the production of 1, 3-propanediol | Joseph Broun Powell, Paul Richard Weider | 2005-12-06 |
| 6969779 | Method for removal of MW176 cyclic acetal formed during the production of 1,3-propanediol | Stephen Edward Brewer, Zaida Diaz, Joseph Broun Powell, Paul Richard Weider, Robert Lawrence Blackbourn | 2005-11-29 |