Patent US3041316A successfully refreshed from Google Patents.
US3041316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Room temperature vulcanization of fluorinated hydrocarbon elastomers
Assignee: Individual
•
Filing: 1959-10-09
•
Granted: 1962-06-26
•
Expires: 1979-10-09
Abstract
No abstract record available.
Inventors
- 👤 Warren R Griffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:08
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A PROCESS FOR PRODUCTION OF A VULCANIZED RUBBERY COPOLYMER SELECTED FROM THE GROUP CONSISTING OF HEXAFLUOROPROPYLENE-VINYLIDENE FLUORIDE AND TRIFLUOROCHLOROETHYLENE-VINYLIDENE FLUORIDE WHICH COMPRISES THE STEPS OF MIXING SAID COPOLYMER WITH A MATERIAL CAPABLE OF MODIFYING SAID COPOLYMER BY FORMING CHEMICALLY REACTIVE SITES THEREON, SAID MATERIAL SELECTED FROM THE GROUP CONSISTING OF ETHYLAMINE, PROPYLAMINE, ALLYLAMINE, DIETHYLAMINE, DIISOPROPYLAMINE, DI-N-BUTYLAMINE, DIAMYLAMINE, DIISOBUTYLAMINE, DI-N-OCTYLAMINE, DIALLYLAMINE, TRIETHYLAMINE. TRIPROPYLAMINE, TRIAMYLAMINE, AND TETRAMETHYLGUANIDINE
Claim 2
Dependent Claim
65 words
A PROCESS FOR PRODUCTION OF A VULCANIZED RUBBERY COPOLYMER SELECTED FROM THE GROUP CONSISTING OF HEXAFLUOROPROPYLENE-VINYLIDENE FLUORIDE AND TRIFLUOROCHLOROETHYLENE-VINYLIDENE FLUORIDE WHICH COMPRISES THE STEPS OF MIXING SAID COPOLYMER WITH A MATERIAL CAPABLE OF MODIFYING SAID COPOLYMER BY FORMING CHEMICALLY REACTIVE SITES THEREON, SAID MATERIAL SELECTED FROM THE GROUP CONSISTING OF ETHYLAMINE, PROPYLAMINE, ALLYLAMINE, DIETHYLAMINE, DIISOPROPYLAMINE, DI-N-BUTYLAMINE, DIAMYLAMINE, DIISOBUTYLAMINE, DI-N-OCTYLAMINE, DIALLYLAMINE, TRIETHYLAMINE. TRIPROPYLAMINE, TRIAMYLAMINE, AND TETRAMETHYLGUANIDINE
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) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |