Patent US2791574A successfully refreshed from Google Patents.
US2791574A
Expired / Lapsed
US
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Production of (olefinically unsaturated acyloxy) haloalkoxy phosphorus compounds
Assignee: Union Carbide Corp
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Filing: 1953-08-06
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Granted: 1957-05-07
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Expires: 1973-08-06
Abstract
No abstract record available.
Inventors
- 👤 William M Lanham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:26
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/6574; C07F9/65742; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C07F9/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A POLYMERIZABLE ESTER OF AN ACID OF PHOSPHORUS SAID ESTER HAVING A STRUCTURE CORRESPONDING TO THE FORMULA
Claim 2
Dependent Claim
17 words
A POLYMERIZABLE ESTER OF AN ACID OF PHOSPHORUS SAID ESTER HAVING A STRUCTURE CORRESPONDING TO THE FORMULA
References Cited (Backward Citations)
US2559854A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-06 | 1960-11-05 | 1961-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-06 | 1964-11-05 | 1965-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-06 | 1968-11-05 | 1969-05-07 | $7700.00 | Window Closed / Lapsed |