Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800718 | Process for producing polytrimethylene terephthalate (PTT) | Fritz Wilhelm, Eckhard Seidel, Hans Reitz, Ulrich Thiele, Klaus Mackensen +2 more | 2004-10-05 |
| 6512080 | Process of producing polytrimethylene terephthalate (PTT) | Donald R. Kelsey, Robert Lawrence Blackbourn, Hans Reitz, Eckhard Seidel, Fritz Wilhelm | 2003-01-28 |
| 6326456 | Process of producing polytrimethylene terephthalate (PTT) | Donald R. Kelsey, Robert Lawrence Blackbourn, Hans Reitz, Eckhard Seidel, Fritz Wilhelm | 2001-12-04 |
| 6277947 | Process of producing polytrimethylene terephthalate (PTT) | Donald R. Kelsey, Robert Lawrence Blackbourn, Hans Reitz, Eckhard Seidel, Fritz Wilhelm | 2001-08-21 |
| 5866750 | Method for removal of metal alkoxide compounds from liquid hydrocarbon | Michael Wayne Potter, William Charles Malven | 1999-02-02 |
| 5427717 | Secondary alkyl sulfate/zeolite-containing surfactant compositions | David K. Schisla, Eugene F. Lutz, Charles M. Arbore | 1995-06-27 |
| 5349101 | Process for the preparation of secondary alkyl sulfate-containing surfactant compositions | Eugene F. Lutz, David K. Schisla, Timothy D. Hoewing | 1994-09-20 |
| 5242549 | Distillation separation process of titanium tetrachloride and halohydrocarbon | Michael Wayne Potter, Stephen Cowan | 1993-09-07 |