Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700388 | Azeotropic or azeotrope-like compositions of ammonia and tetrafluoroethane | Akimichi Yokozeki | 1997-12-23 |
| 5662825 | Use of 1,1,1,3,3,3-Hexafluoropropane in centrifugal compressors | Donald Bernard Bivens, Richard E. Fernandez, Tuneen Chisolm-Carter | 1997-09-02 |
| 5643492 | Constant boiling compositions of HFC-32, HFC-125 and HFC-134 A | — | 1997-07-01 |
| 5635099 | Near-azeotropic blends for use as refrigerants with pentafluoroethane, trifluoroethane, and tetrafluoroethane | Donald Bernard Bivens, Akimichi Yokozeki | 1997-06-03 |
| 5616276 | Azeotrope-like refrigerants with chlorodifluoromethane, pentafluoroethane, and C.sub.2 -C.sub.4 hydrocarbon | Donald Bernard Bivens, Akimichi Yokozeki | 1997-04-01 |