Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6969779 | Method for removal of MW176 cyclic acetal formed during the production of 1,3-propanediol | Stephen Edward Brewer, Zaida Diaz, Joseph Broun Powell, Glenn Charles Komplin, Robert Lawrence Blackbourn | 2005-11-29 |
| 6903044 | One-step production of 1,3-propanediol from ethylene oxide and syngas with a catalyst with a N-heterocyclic ligand | John F. Knifton, Talmadge Gail James, Kevin Allen, Joseph Broun Powell, Lynn H. Slaugh +1 more | 2005-06-07 |
| 6753289 | One-step production of 1,3-propanediol from ethylene oxide and syngas with a catalyst with a phospholanoalkane ligand | John F. Knifton, Talmadge Gail James, Kevin Allen, Joseph Broun Powell, Lynn H. Slaugh | 2004-06-22 |
| 6750373 | One-step production of 1, 3-propanediol from ethylene oxide and syngas with a cobalt-iron catalyst | John F. Knifton, Talmadge Gail James, Lynn H. Slaugh, Kevin Allen, Joseph Broun Powell | 2004-06-15 |
| 6706656 | One step process for preparing a 1,3-diol | John F. Knifton, Lynn H. Slaugh, Talmadge Gail James, Joseph Broun Powell, Kevin Allen +1 more | 2004-03-16 |
| 6660892 | Synthesis of aliphatic 1,3-diols utilizing reduced ligand concentration and water extraction | Joseph Broun Powell, John F. Knifton, Kevin Allen, Lynn H. Slaugh, Juan P. Arhancet | 2003-12-09 |
| 6586643 | One-step production of 1,3-propanediol from ethylene oxide and syngas with a catalyst with a N-heterocyclic ligand | John F. Knifton, Talmadge Gail James, Kevin Allen, Joseph Broun Powell, Lynn H. Slaugh +1 more | 2003-07-01 |
| 6576802 | One-step production of 1, 3-propanediol from ethylene oxide and syngas with a catalyst with a phospholanoalkane ligand | John F. Knifton, Talmadge Gail James, Kevin Allen, Joseph Broun Powell, Lynn H. Slaugh | 2003-06-10 |
| 6545190 | One step process for preparing a 1,3-diol | Kevin Allen, Joseph Broun Powell, John F. Knifton | 2003-04-08 |
| 6518466 | One step process for preparing a 1,3-diol | John F. Knifton, Lynn H. Slaugh, Talmadge Gail James, Joseph Broun Powell, Kevin Allen +1 more | 2003-02-11 |
| 6468940 | One step process for preparing a 1,3-diol | John F. Knifton, Lynn H. Slaugh, Talmadge Gail James, Joseph Broun Powell, Kevin Allen +1 more | 2002-10-22 |
| 6469222 | One step process for preparing A 1,3-diol | John F. Knifton, Lynn H. Slaugh, Talmadge Gail James, Joseph Broun Powell, Kevin Allen +1 more | 2002-10-22 |
| 6191321 | Process for preparing 1,3-propanediol from methyl 3-hydroxypropionate | Thomas Clayton Forschner, Lynn H. Slaugh, Joseph Broun Powell | 2001-02-20 |
| 6180838 | Process for preparing alkanediols | Lynn H. Slaugh, Joseph Broun Powell | 2001-01-30 |
| 5986145 | Purification of 3-hydroxy-propanal | Joseph Broun Powell, Robert Lawrence Blackbourn, Stephen Blake Mullin | 1999-11-16 |
| 5981808 | Cobalt-catalyzed process for preparing 1, 3-propanediol from etylene oxide | Joseph Broun Powell, Lynn H. Slaugh, David Cleve Eubanks, Stephan Blake Mullin, Terry Blain Thomason +1 more | 1999-11-09 |
| 5841003 | Process for preparing alkanediols | Lynn H. Slaugh, Joseph Broun Powell | 1998-11-24 |
| 5786524 | Process for preparation of 1,3-propanediol via hydrogenation of 3-hydroxypropanal | Joseph Broun Powell, William Ridley Pledger, Andreas Nikolaos Matzakos, Juan P. Arhancet | 1998-07-28 |
| 5777182 | Cobalt-catalyzed process for preparing 1,3-propanidiol | Joseph Broun Powell, Lynn H. Slaugh, Thomas Clayton Forschner, Jiang-Jen Lin, Terry Blane Thomason +7 more | 1998-07-07 |
| 5770776 | Process for preparing 1,3-propanediol | Joseph Broun Powell, Stephen Blake Mullin, David Cleve Eubanks, Juan P. Arhancet | 1998-06-23 |
| 5731478 | Process for preparing alkanediols | Lynn H. Slaugh, Joseph Broun Powell, Juan P. Arhancet | 1998-03-24 |
| 5723389 | Process for preparing alkanediols | Lynn H. Slaugh, Joseph Broun Powell, Juan P. Arhancet | 1998-03-03 |
| 5689016 | Cobalt-catalyzed process for preparing alkanediols using a rhodium promoter | Lynn H. Slaugh, Joseph Broun Powell | 1997-11-18 |
| 5684214 | Process for preparing 1,3-propanediol | Joseph Broun Powell, Khiet Thanh Lam | 1997-11-04 |
| 5585528 | Cobalt-catalyzed process for preparing 1,3-propanediol using a lipophilic tertiary amine promoter | Joseph Broun Powell, Lynn H. Slaugh, Thomas Carl Semple | 1996-12-17 |