US2529092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquefied gas propellant compositions
Assignee: Honeywell International Inc
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Filing: 1948-11-26
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Granted: 1950-11-07
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Expires: 1968-11-26
Abstract
No abstract record available.
Inventors
- 👤 Frederick G Lodes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:01
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A NON-FLAMMABLE, NON-TOXIC LIQUID COMPOSITION, ADAPTED FOR USE AS A DISPERSANT, HAVING A VAPOR PRESSURE IN THE RANGE OF ABOUT 18 TO ABOUT 40 P. S. I. G. AT 70*F., AND CONSISTING OF 1,1,1-DIFLUOROCHLOROETHANE, DICHLORODIFLUOROMETHANE, AND TRICHLOROFLUOROMETHANE; SAID COMPOSITION CONTAINING BY WEIGHT ABOUT 15% TO ABOUT 76% 1,1,1-DIFLUOROCHLOROETHANE, ABOUT 45% TO ABOUT 5% DICHLORODIFLUOROMETHANE, THE REMAINDER BEING TRICHLOROFLUOROMETHANE; THE AMOUNTS OF 1,1,1-DIFLUOROCHLOROETHANE AND DICHLORODIFLUOROMETHANE BEING SUCH THAT SAID COMPOSITION HAS A TOTAL VOLATILE MATTER CONTENT OF 1,1,1-DIFLUOROCHLOROETHANE AND DICHLORODIFLUOROMETHANE OF NOT LESS THAN ABOUT 40% AND NOT MORE THAN ABOUT 95% BY WEIGHT, SAID COMPOSITION BEING MAINTAINED UNDER SUFFICIENT PRESSURE IN A CONFINED SPACE TO KEEP IT IN THE LIQUID PHASE.
Claim 2
Dependent Claim
111 words
A NON-FLAMMABLE, NON-TOXIC LIQUID COMPOSITION, ADAPTED FOR USE AS A DISPERSANT, HAVING A VAPOR PRESSURE IN THE RANGE OF ABOUT 18 TO ABOUT 40 P. S. I. G. AT 70*F., AND CONSISTING OF 1,1,1-DIFLUOROCHLOROETHANE, DICHLORODIFLUOROMETHANE, AND TRICHLOROFLUOROMETHANE; SAID COMPOSITION CONTAINING BY WEIGHT ABOUT 15% TO ABOUT 76% 1,1,1-DIFLUOROCHLOROETHANE, ABOUT 45% TO ABOUT 5% DICHLORODIFLUOROMETHANE, THE REMAINDER BEING TRICHLOROFLUOROMETHANE; THE AMOUNTS OF 1,1,1-DIFLUOROCHLOROETHANE AND DICHLORODIFLUOROMETHANE BEING SUCH THAT SAID COMPOSITION HAS A TOTAL VOLATILE MATTER CONTENT OF 1,1,1-DIFLUOROCHLOROETHANE AND DICHLORODIFLUOROMETHANE OF NOT LESS THAN ABOUT 40% AND NOT MORE THAN ABOUT 95% BY WEIGHT, SAID COMPOSITION BEING MAINTAINED UNDER SUFFICIENT PRESSURE IN A CONFINED SPACE TO KEEP IT IN THE LIQUID PHASE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |