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Patent US2842527A successfully refreshed from Google Patents.
US2842527A
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Vinyl ether derivatives of amidophosphate and amidothiophosphate esters, their polymers and processes for preparing them
Assignee: Rohm and Haas Co
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Filing: 1954-10-06
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Granted: 1958-07-08
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Expires: 1974-10-06
Abstract
No abstract record available.
Inventors
- 👤 Melamed Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:29
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/657154; C07F9/06; C07F9/22; C07F9/24; C07F9/2454; C07F9/2458; C08; C08F; C08F30/00; C08F30/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
20 words
A COMPOSITION COMPRISING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE COMPOUNDS HAVING THE FORMULAS I, II, AND III
Claim 2
Dependent Claim
20 words
A COMPOSITION COMPRISING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE COMPOUNDS HAVING THE FORMULAS I, II, AND III
Claim 3
Dependent Claim
39 words
A METHOD COMPRISING COPOLYMERIZING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE COMPOUNDS HAVING THE FORMULAS I, II, AND III AS DEFINED IN CLAIM 1 WITH ANOTHER ETHYLENICALLY UNSATURATED COMONOMER IN THE PRESENCE OF A FREE RADICAL CATALYST.
References Cited (Backward Citations)
US2151380A
Cited
US2574518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |