Issued Patents 1994
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5359061 | Controlled catalytic and thermal sequential pyrolysis and hydrolysis of polymer waste comprising nylon 6 and a polyolefin or mixtures of polyolefins to sequentially recover monomers or other high value products | Helena L. Chum | 1994-10-25 |
| 5359099 | Controlled catalytic and thermal sequential pyrolysis and hydrolysis of mixed polymer waste streams to sequentially recover monomers or other high value products | Helena L. Chum | 1994-10-25 |
| 5321174 | Controlled catalystic and thermal sequential pyrolysis and hydrolysis of polycarbonate and plastic waste to recover monomers | Helena L. Chum | 1994-06-14 |
| 5307971 | Tape keeper for tape transport elements | — | 1994-05-03 |
| 5300704 | Controlled catalytic and thermal sequential pyrolysis and hydrolysis of mixed polymer waste streams to sequentially recover monomers or other high value products | Helena L. Chum | 1994-04-05 |
| 5276559 | Technique for recording and reproducing low rate data in a helical vehicle scan recorder having a stationary time code signal reproduce magnetic head | Nancy L. Sarkisian, James S. Bacon, Jose G. Aguilar, Daniel Heritage, Boonsieng Benjauthrit | 1994-01-04 |