Patent US3629710A successfully refreshed from Google Patents.
US3583960A
Expired / Lapsed
US
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Process for polymerizing vinyl monomers
Assignee: Argus Chemical Corp
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Filing: 1968-06-28
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Granted: 1971-06-08
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Expires: 1988-06-28
Abstract
Abstract WHEREIN R1,R2 AND R3 ARE HYDROGEN OR ORGANIC HYDROCARBON RADICALS HAVING FROM ONE TO ABOUT TWENTY CARBON ATOMS, AND A REDOX REDUCING AGENT. 2-R3,3-R1,3-R2-OXAZIRIDINE A PROCESS IS PROVIDED FOR THE REDOX POLYMERIZATION OF VINYL MONOMERS USING A REDOX POLYMERIZATION SYSTEM CONTAINING AN OXAZIRANE COMPOUND HAVING AT LEAST ONE THREEMEMBERED OXAZIRANE RING CONTAINING FROM ONE TO THIRTY CARBON ATOMS, DEFINED BY THE FORMULA:
Inventors
- 👤 Yoshio Ishii
- 👤 Shizuyoshi Sakai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:21
CPC Classifications
C; C07; C07D; C07D273/00; C08; C08F; C08F4/00; Y; Y10; Y10S; Y10S526/00; Y10S526/915
Claims Analysis
Total Claims: 0
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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) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |