Patent US2356475A successfully refreshed from Google Patents.
Patent US3080347A successfully refreshed from Google Patents.
US3080347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low molecular weight vulcanizable polymers
Assignee: 3M Co
•
Filing: 1959-03-02
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Granted: 1963-03-05
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Expires: 1979-03-02
Abstract
No abstract record available.
Inventors
- 👤 Carl L Sandberg
- 👤 Joan M Mullins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:19
CPC Classifications
C; C08; C08F; C08F214/00; C08F214/18; C08F214/22; C08F214/225; C08F220/00; C08F220/02; C08F220/04; C08F220/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A VULCANIZABLE LOW MOLECULAR WEIGHT TERPOLYMER CAPABLE OF BEING APPLIED IN FLUID FORM, COMPRISING BETWEEN ABOUT 15 AND ABOUT 50 MOL PERCENT PERFLUOROPROPENE, BETWEEN ABOUT 50 AND ABOUT 85 MOL PERCENT VINYLIDENE FLUORIDE, AND BETWEEN ABOUT 0.1 AND ABOUT 10 MOL PERCENT ALPHA-BETA UNSATURATED CARBOXYLIC ACID, IN COMBINED POLYMERIC FORM, IN WHICH THE TERMINAL GROUPS ARE SELECTED FROM THE MEMBERS OF THE GROUP CONSISTING OF CHLORINE, BROMINE, A HALOGENATED N-ALKANE RADICAL HAVING NOT MORE THAN 3 CARBON ATOMS, A MERCAPTYL RADICAL HAVING NOT MORE THAN 20 CARBON ATOMS AND HYDROGENN.
Claim 2
Dependent Claim
90 words
A VULCANIZABLE LOW MOLECULAR WEIGHT TERPOLYMER CAPABLE OF BEING APPLIED IN FLUID FORM, COMPRISING BETWEEN ABOUT 15 AND ABOUT 50 MOL PERCENT PERFLUOROPROPENE, BETWEEN ABOUT 50 AND ABOUT 85 MOL PERCENT VINYLIDENE FLUORIDE, AND BETWEEN ABOUT 0.1 AND ABOUT 10 MOL PERCENT ALPHA-BETA UNSATURATED CARBOXYLIC ACID, IN COMBINED POLYMERIC FORM, IN WHICH THE TERMINAL GROUPS ARE SELECTED FROM THE MEMBERS OF THE GROUP CONSISTING OF CHLORINE, BROMINE, A HALOGENATED N-ALKANE RADICAL HAVING NOT MORE THAN 3 CARBON ATOMS, A MERCAPTYL RADICAL HAVING NOT MORE THAN 20 CARBON ATOMS AND HYDROGENN.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |