US3053818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trifluorochloroethylene interpolymers
Assignee: 3M Co
•
Filing: 1956-07-31
•
Granted: 1962-09-11
•
Expires: 1976-07-31
Abstract
No abstract record available.
Inventors
- 👤 Francis J Honn
- 👤 John M Hoyt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:49
CPC Classifications
C; C08; C08F; C08F214/00; C08F214/18; C08F214/22; C08F214/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A RUBBERY INTERPOLYMER OF A MONOMERIC MIXTURE CONSISTING OF MONOMERS TOTALING 100 MOLE PERCENT TRIFLUOROCHLOROETHYLENE, VINYLIDENE FLUORIDE AND A DISSIMILAR POLYFLUOROOLEFIN, IN WHICH THE TRIFLUOROCHLOROETHYLENE, AND THE VINYLIDENE FLUORIDE MONOMERS ARE EACH PRESENT IN AN AMOUNT OF AT LEAST 15 MOLE PERCENT AND SAID DISSIMILAR POLYFLUOROOLEFIN MONOMERS CONTAINING FROM 2 TO 7 CARBON ATOMS IS PRESENT IN AN AMOUNT OF AT LEST 5 MOLE PERCENT.
Claim 2
Dependent Claim
65 words
A RUBBERY INTERPOLYMER OF A MONOMERIC MIXTURE CONSISTING OF MONOMERS TOTALING 100 MOLE PERCENT TRIFLUOROCHLOROETHYLENE, VINYLIDENE FLUORIDE AND A DISSIMILAR POLYFLUOROOLEFIN, IN WHICH THE TRIFLUOROCHLOROETHYLENE, AND THE VINYLIDENE FLUORIDE MONOMERS ARE EACH PRESENT IN AN AMOUNT OF AT LEAST 15 MOLE PERCENT AND SAID DISSIMILAR POLYFLUOROOLEFIN MONOMERS CONTAINING FROM 2 TO 7 CARBON ATOMS IS PRESENT IN AN AMOUNT OF AT LEST 5 MOLE PERCENT.
References Cited (Backward Citations)
GB589577A
Cited
US2468054A
Cited
GB608807A
Cited
US2479367A
Cited
US2549935A
Cited
US2751376A
Cited
US2751375A
Cited
US2750431A
Cited
US2793200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |