Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7354531 | Polymer electrolyte composition | Wynham Henry Boon, David Eric Gwyn, James R. MacCallum, Christopher John Smith, Michael J. Smith | 2008-04-08 |
| 7005496 | Production of trimethylene carbonate from poly (trimethylene carbonate) by wiped film reactive evaporation | Wyndham Henry Boon, David Eric Gwyn, Laurel Arden Gingrich | 2006-02-28 |
| 6593444 | Thermoplastic polyurethane elastomers (TPUs) prepared with polytrimethylene carbonate soft segment | Wyndham Henry Boon, Aisa Sendijarevic, Kurt C. Frisch, David Eric Gwyn | 2003-07-15 |
| 6534178 | Carboxyl-functional polyester epoxy resin powder coatings based on 1,3-propanediol | Lichang Zhou, Shelby F. Thames, Oliver W. Smith, Wyndham Henry Boon | 2003-03-18 |
| 6451949 | Method for production of poly (trimethylene carbonate) | Wyndham Henry Boon, Roy Frank Smith, David Eric Gwyn | 2002-09-17 |
| 6441087 | High gloss acrylic coatings with improved impact resistance | Lichang Zhou, Oliver W. Smith, Wyndham Henry Boon, David Eric Gwyn, Shelby F. Thames | 2002-08-27 |
| 6433131 | High gloss acrylic coatings with improved impact resistance cured with melamine | Lichang Zhou, Shelby F. Thames, Oliver W. Smith, Roy Frank Smith, David Eric Gwyn +2 more | 2002-08-13 |
| 6214624 | Use of perfluorocarbons as tracers in chemical compositions | David Allen Barker, Randall Lee Shearer | 2001-04-10 |
| 6191321 | Process for preparing 1,3-propanediol from methyl 3-hydroxypropionate | Paul Richard Weider, Lynn H. Slaugh, Joseph Broun Powell | 2001-02-20 |
| 6084124 | Method to prepare .alpha.-.beta. unsaturated carboxylic acids from epoxides using a cobalt and tin catalyst system | Lynn H. Slaugh | 2000-07-04 |
| 5777182 | Cobalt-catalyzed process for preparing 1,3-propanidiol | Joseph Broun Powell, Lynn H. Slaugh, Jiang-Jen Lin, Terry Blane Thomason, Paul Richard Weider +7 more | 1998-07-07 |
| 5717059 | Method for preparing poly-p-dioxanone polymer | — | 1998-02-10 |
| 5652331 | Method for preparing poly-p-dioxanone polymer | David Eric Gwyn, Cary A. Veith | 1997-07-29 |
| 5576471 | Cobalt-catalyzed process for preparing 1,3-propanediol using a lipophilic dihydroxyarene promoter | Thomas Carl Semple, Joseph Broun Powell, Lynn H. Slaugh, Paul Richard Weider | 1996-11-19 |
| 5563302 | Cobalt-catalyzed process for preparing 1,3-propanediol using a lipophilic phosphine oxide promoter | Paul Richard Weider, Joseph Broun Powell, Lynn H. Slaugh, Thomas Carl Semple | 1996-10-08 |
| 5545766 | Cobalt-catalyzed process for preparing 1,3-propanediol using a lipophilic bidentate phosphine promotor | Joseph Broun Powell, Lynn H. Slaugh, Thomas Carl Semple, Paul Richard Weider | 1996-08-13 |
| 5545765 | Cobalt-catalyzed process for preparing 1,3-propanediol using a lipophilic quaternary arsonium salt promoter | Lynn H. Slaugh, Joseph Broun Powell, Thomas Carl Semple, Paul Richard Weider | 1996-08-13 |
| 5545767 | Process for preparing 1,3-propanediol | Paul Richard Weider, Joseph Broun Powell, Lynn H. Slaugh, Thomas Carl Semple | 1996-08-13 |
| 5463144 | Process for preparing 1,3-propanediol | Joseph Broun Powell, Lynn H. Slaugh, Terry Blane Thomason, Thomas Carl Semple, Paul Richard Weider +1 more | 1995-10-31 |
| 5463145 | Process for preparing 1,3-propanediol | Joseph Broun Powell, Lynn H. Slaugh, Thomas Carl Semple, Paul Richard Weider | 1995-10-31 |
| 5463146 | Process for preparing 1,3-propanediol | Lynn H. Slaugh, Joseph Broun Powell, Thomas Carl Semple, Paul Richard Weider | 1995-10-31 |
| 5310945 | Process for preparing para-dioxanones | — | 1994-05-10 |
| 5264133 | Removal of selenium from aqueous media | Peter A. Kilty, Thomas F. Brownscombe | 1993-11-23 |
| 5159127 | Process for converting paraffins to alpha olefins | Thomas F. Brownscombe, Jiang-Jen Lin | 1992-10-27 |
| 5159128 | Process for cracking paraffins to olefins | Thomas F. Brownscombe | 1992-10-27 |