Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340909 | Poly(1,3-propylene terephthalate) | Joseph J. Hammer, J. R. Dees | 1994-08-23 |
| 5158651 | Process of centrifugally removing inorganic compounds from polyester glycol recovery bottoms | — | 1992-10-27 |
| 4824930 | Polymerization process for the preparation of poly(butylene terephthalate) | — | 1989-04-25 |
| 4620032 | Depolymerization of condensation polymers involving a pre-molecular weight reduction step | — | 1986-10-28 |
| 4578510 | Process for minimizing formation of low molecular weight oligomers during hydrolytic depolymerization of condensation polymers | — | 1986-03-25 |
| 4554328 | Modified PET polymers and copolymers suitable for extrusion blow molding | Stephen M. Sinker, Joseph J. Baron, Jr., Raymond W. Rupp, Charles E. McChesney | 1985-11-19 |