Patent US2626962A successfully refreshed from Google Patents.
US2626962A
Expired / Lapsed
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Production of haloolefinic compounds
Assignee: Universal Oil Products Co
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Filing: 1949-05-17
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Granted: 1953-01-27
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Expires: 1969-05-17
Abstract
No abstract record available.
Inventors
- 👤 Schmerling Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:53
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/26; C07C17/272; C07C17/275; C07C17/278
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PROCESS FOR PRODUCING A HALOOLEFINIC COMPOUND WHICH COMPRISES REACTING A SATURATED HALOHYDROCARBON CONTAINING AT LEAST THREE CARBON ATOMS PER MOLECULE WITH AN ACETYLENIC COMPOUND IN THE PRESENCE OF A FRIEDEL-CRAFTS CATALYST AT A TEMPERATURE OF FROM ABOUT -30* C. TO ABOUT 100* C., AND RECOVERING A HALOOLEFINIC COMPOUND HAVING A MOLECULAR WEIGHT AT LEAST EQUAL TO THE SUM OF THE MOLECULAR WEIGHTS OF THE AFORESAID REACTANTS.
Claim 2
Dependent Claim
67 words
A PROCESS FOR PRODUCING A HALOOLEFINIC COMPOUND WHICH COMPRISES REACTING A SATURATED HALOHYDROCARBON CONTAINING AT LEAST THREE CARBON ATOMS PER MOLECULE WITH AN ACETYLENIC COMPOUND IN THE PRESENCE OF A FRIEDEL-CRAFTS CATALYST AT A TEMPERATURE OF FROM ABOUT -30* C. TO ABOUT 100* C., AND RECOVERING A HALOOLEFINIC COMPOUND HAVING A MOLECULAR WEIGHT AT LEAST EQUAL TO THE SUM OF THE MOLECULAR WEIGHTS OF THE AFORESAID REACTANTS.
References Cited (Backward Citations)
FR695125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-27 | 1956-07-28 | 1957-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-27 | 1960-07-28 | 1961-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-27 | 1964-07-28 | 1965-01-27 | $7700.00 | Window Closed / Lapsed |