US3284367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solvent mixtures and methods for the storage of ozone
Assignee: Air Liquide SA
•
Filing: 1963-08-23
•
Granted: 1966-11-08
•
Expires: 1983-08-23
Abstract
No abstract record available.
Inventors
- 👤 Mahieux Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:28
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/10; D; D06; D06L; D06L4/00; D06L4/50; Y; Y10; Y10T; Y10T436/00; Y10T436/20; Y10T436/206664
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
1,. A SOLUTION OF OZONE IN A LIQUID SOLVENT MIXTURE CONSISTING ESSENTIALLY OF ABOUT FIVE PARTS BY VOLUME OF 1,2-DICHLORO-1,1,2,2-TETRAFLUOROETHANE AND ABOUT TWO PARS BY VOLUME OF TRICHLOROFLUOROMETHANE.
Claim 2
Dependent Claim
28 words
1,. A SOLUTION OF OZONE IN A LIQUID SOLVENT MIXTURE CONSISTING ESSENTIALLY OF ABOUT FIVE PARTS BY VOLUME OF 1,2-DICHLORO-1,1,2,2-TETRAFLUOROETHANE AND ABOUT TWO PARS BY VOLUME OF TRICHLOROFLUOROMETHANE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |