Patent US2806050A successfully refreshed from Google Patents.
US2806050A
Expired / Lapsed
US
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Reaction of a lactone and a phosphorus compound and products
Assignee: Union Oil Company of California
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Filing: 1955-11-14
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Granted: 1957-09-10
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Expires: 1975-11-14
Abstract
No abstract record available.
Inventors
- 👤 Carleton B Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:34
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/02; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C07F9/16; C07F9/165; C07F9/1651
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
THE PRODUCT OF REACTION BETWEEN A LACTONE AND AN ORGANIC PHOSPHOROUS COMPOUND OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
16 words
THE PRODUCT OF REACTION BETWEEN A LACTONE AND AN ORGANIC PHOSPHOROUS COMPOUND OF THE GENERAL FORMULA:
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) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |