Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7531617 | Continuous process for producing poly(trimethylene terephthalate) | John Harvey Eng, Emily A. Blum, Daniel Albert Green, Gene Parrish, Robert E. Trotter +1 more | 2009-05-12 |
| 7524921 | Continuous manufacture of poly(trimethylene terephthalate) | John Harvey Eng, Emily A. Blum, Daniel Albert Green, Gene Parrish, Robert E. Trotter +1 more | 2009-04-28 |
| 7132484 | Continuous process for producing poly (trimethylene terephthalate) | David B. Griffith, Chungfah Howard Ho, James M. Howell, Michelle Watkins | 2006-11-07 |
| 6951954 | Continuous process for producing bis(3-hydroxypropyl) terephthalate | David B. Griffith, Chungfah Howard Ho, James M. Howell, Michelle Watkins | 2005-10-04 |
| 6538076 | Continuous process for producing poly(trimethylene terephthalate) | David B. Griffith, Chungfah Howard Ho, James M. Howell, Michelle Watkins | 2003-03-25 |
| 6353062 | Continuous process for producing poly(trimethylene terephthalate) | David B. Griffith, Chungfah Howard Ho, James M. Howell, Michelle Watkins, Joseph J. Duffy | 2002-03-05 |