Patent US2636027A successfully refreshed from Google Patents.
US2636027A
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Alkyl esters of allyl phosphonic acids and polymers prepared therefrom
Assignee: Eastman Kodak Co
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Filing: 1948-10-06
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Granted: 1953-04-21
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Expires: 1968-10-06
Abstract
No abstract record available.
Inventors
- 👤 Harry W Coover
- 👤 Joseph B Dickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:28
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/31; C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4015; C08; C08F; C08F30/00; C08F30/02; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; C08K5/5333
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
28 words
A RESINOUS COPOLYMER CONTAINING IN THE POLYMER MOLECULE FROM 10 TO 50 PERCENT BY WEIGHT OF AN ALLYL COMPOUND SELECTED FROM THOSE REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
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) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |