Patent US2922775A successfully refreshed from Google Patents.
US2922775A
Expired / Lapsed
US
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Process for polymerizing a vinylidene monomer in an inert organic solvent and with certain reactive reducing agents
Assignee: Individual
•
Filing: 1957-03-19
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Granted: 1960-01-26
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Expires: 1977-03-19
Abstract
No abstract record available.
Inventors
- 👤 Mino Guido
- 👤 Kaizerman Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:39
CPC Classifications
C; C08; C08F; C08F267/00; C08F267/04; C08F4/00; C08F4/06; Y; Y10; Y10S; Y10S8/00; Y10S8/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A PROCESS COMPRISING POLYMERIZING A POLYMERIZABLE MONOMERIC COMPOUND CONTAINING A POLYMERIZABLY REACTIVE CH2=CH< GROUP IN AN INERT ORGANIC SOLVENT IN THE PRESENCE OF A CERIC SALT, WHICH IS SOLUBLE IN AT LEAST ONE MONOMERIC COMPOUND CONTAINING A POLYMERIBAZLE REDUCING AGENT WHICH IS CAPABLE OF BEING OXIDIZED BY SAID CERIC SAIT AND WHICH IS CAPABLE OF INITATING THE POLYMERIZATION.
Claim 2
Dependent Claim
58 words
A PROCESS COMPRISING POLYMERIZING A POLYMERIZABLE MONOMERIC COMPOUND CONTAINING A POLYMERIZABLY REACTIVE CH2=CH< GROUP IN AN INERT ORGANIC SOLVENT IN THE PRESENCE OF A CERIC SALT, WHICH IS SOLUBLE IN AT LEAST ONE MONOMERIC COMPOUND CONTAINING A POLYMERIBAZLE REDUCING AGENT WHICH IS CAPABLE OF BEING OXIDIZED BY SAID CERIC SAIT AND WHICH IS CAPABLE OF INITATING THE POLYMERIZATION.
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) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |