Patent US2849412A successfully refreshed from Google Patents.
US2849412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticization of vulcanized perfluorochloroolefin polymers
Assignee: 3M Co
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Filing: 1955-05-11
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Granted: 1958-08-26
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Expires: 1975-05-11
Abstract
No abstract record available.
Inventors
- 👤 Lester E Robb
- 👤 David R Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:43
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0016
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A NOVEL COMPOSITION COMPRISING A VULCANIZED COPOLYMER OF TRIFLUOROCHLOROETHYLENE AND VINYLIDENE FLUORIDE SAID POLYMER BEING VULCANIZED WITH A CROSS-LINKING AGENT SELECTED FROM THE GROUP CONSISTING OF POLYFUNTIONAL AMINE, POLYISOCYANATES, AND ORGANIC PEROXIDES ADMIXED WITH A PLASTICIZER HAVING THE FORMULA RO-X-(OR)N IN WICH R IS SELECTED FROM THE GROUP CONSISTING OF 2 TO 18 CARBON MONOVALENT AROMATIC HYDROCARBON AND ALIPHATIC HYDROCARBON RADICAL AND XIS SELECTED FROM THE GROUP CONSISTING OF A PHOSPHORYL RADICAL AND A DICARBOXYLIC RADICAL HAVING THE FORMULA
Claim 2
Dependent Claim
79 words
A NOVEL COMPOSITION COMPRISING A VULCANIZED COPOLYMER OF TRIFLUOROCHLOROETHYLENE AND VINYLIDENE FLUORIDE SAID POLYMER BEING VULCANIZED WITH A CROSS-LINKING AGENT SELECTED FROM THE GROUP CONSISTING OF POLYFUNTIONAL AMINE, POLYISOCYANATES, AND ORGANIC PEROXIDES ADMIXED WITH A PLASTICIZER HAVING THE FORMULA RO-X-(OR)N IN WICH R IS SELECTED FROM THE GROUP CONSISTING OF 2 TO 18 CARBON MONOVALENT AROMATIC HYDROCARBON AND ALIPHATIC HYDROCARBON RADICAL AND XIS SELECTED FROM THE GROUP CONSISTING OF A PHOSPHORYL RADICAL AND A DICARBOXYLIC RADICAL HAVING THE FORMULA
References Cited (Backward Citations)
US2468054A
Cited
US2686770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |