US2922768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for polymerization of a vinylidene monomer in the presence of a ceric salt and an organic reducing agent
Assignee: Individual
•
Filing: 1959-08-07
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Granted: 1960-01-26
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Expires: 1979-08-07
Abstract
No abstract record available.
Inventors
- 👤 Mino Guido
- 👤 Kaizerman Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:31
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04; C08F291/00; C08F4/00; C08F4/06; Y; Y10; Y10S; Y10S8/00; Y10S8/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A PROCESS COMPRISING POLYMERIZING A POLYMERIZABLE MONOMERIC COMPOUNDS CONTAINING A POLYMERIZABLY REACTIVE CH2=C< GROUP IN AN AQUEOUS MEDIUM AT A PH NOT GREATER THAN 3.5 IN THE PRESENCE OF CERIC SALT WHICH IS SOLUBLE IN AT LEAST ONE COMPONENT OF THE REACTION MEDIUM, AND AN ORGANIC REDUCING AGENT WHICH IS CAPABLE OF BEING OXIDIZED BY SAID CERIC SALT AND WHICH IS CAPABLE OF INITIATING THE POLYMERIZATION, WHEREIN THE ONLY REDUCING AGENT IS AN ORGANIC REDUCING AGENT.
Claim 2
Dependent Claim
76 words
A PROCESS COMPRISING POLYMERIZING A POLYMERIZABLE MONOMERIC COMPOUNDS CONTAINING A POLYMERIZABLY REACTIVE CH2=C< GROUP IN AN AQUEOUS MEDIUM AT A PH NOT GREATER THAN 3.5 IN THE PRESENCE OF CERIC SALT WHICH IS SOLUBLE IN AT LEAST ONE COMPONENT OF THE REACTION MEDIUM, AND AN ORGANIC REDUCING AGENT WHICH IS CAPABLE OF BEING OXIDIZED BY SAID CERIC SALT AND WHICH IS CAPABLE OF INITIATING THE POLYMERIZATION, WHEREIN THE ONLY REDUCING AGENT IS AN ORGANIC REDUCING AGENT.
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) | 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 |