Patent DE730815C successfully refreshed from Google Patents.
Patent US3096314A successfully refreshed from Google Patents.
US3096314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer crosslinking technique and compositions
Assignee: 3M Co
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Filing: 1960-06-17
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Granted: 1963-07-02
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Expires: 1980-06-17
Abstract
No abstract record available.
Inventors
- 👤 Stivers David Alwyn
- 👤 Don L Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:03
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A METHOD FOR PREVENTING SCORCH IN THE CURING OF HIGHLY FLUORINATED POLYMERS WHICH COMPRISES ADMIXING WITH 100 PARTS BY WEIGHT OF AN ELASTOMERIC COPOLYMER OF VINYLIDENE FLUORIDE AND A MEMBER OF THE GROUP CONSISTING OF PERFLUOROPROPENE AND CHLOROTRIFLUOROETHYLENE, BETWEEN ABOUT 0.1 AND ABOUT 10 PARTS OF HYDROQUINONE, AND BETWEEN ABOUT 0.1 AND ABOUT 10 PARTS BY WEIGHT OF A NONAROMATIC POLYFUNCTIONAL AMINE SALT OF THE FORMULA
Claim 2
Independent Claim
66 words
A METHOD FOR PREVENTING SCORCH IN THE CURING OF HIGHLY FLUORINATED POLYMERS WHICH COMPRISES ADMIXING WITH 100 PARTS BY WEIGHT OF AN ELASTOMERIC COPOLYMER OF VINYLIDENE FLUORIDE AND A MEMBER OF THE GROUP CONSISTING OF PERFLUOROPROPENE AND CHLOROTRIFLUOROETHYLENE, BETWEEN ABOUT 0.1 AND ABOUT 10 PARTS OF HYDROQUINONE, AND BETWEEN ABOUT 0.1 AND ABOUT 10 PARTS BY WEIGHT OF A NONAROMATIC POLYFUNCTIONAL AMINE SALT OF THE FORMULA
References Cited (Backward Citations)
US2889309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |