Patent US3177182A successfully refreshed from Google Patents.
US3177182A
Expired / Lapsed
US
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Vulcanization of halogenated rubbery polymers
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1960-09-22
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Granted: 1965-04-06
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Expires: 1980-09-22
Abstract
No abstract record available.
Inventors
- 👤 Delmer L Cottle
- 👤 Jr Leon S Minckler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:43
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A COMPOSITION COMPRISING A HALOGENATED RUBBERY COPOLYMER OF A MAJOR PROPORTION OF A C4 TO C8 ISOOLEFIN AND A MINOR PROPORTION OF A C4 TO C14 MULTIOLEFIN, AND A MINOR PROPORTION BASED ON RUBBERY COPOLYMER OF A THIOHYDANTOIN COMPOUND WITH NO ELEMENTAL SULFUR BEING PRESENT, SAID THIOHYDANTOIN COMPOUND BEING REPRESENTED BY ONE OF THE FOLLOWING GENERIC FORMULAS:
Claim 2
Dependent Claim
57 words
A COMPOSITION COMPRISING A HALOGENATED RUBBERY COPOLYMER OF A MAJOR PROPORTION OF A C4 TO C8 ISOOLEFIN AND A MINOR PROPORTION OF A C4 TO C14 MULTIOLEFIN, AND A MINOR PROPORTION BASED ON RUBBERY COPOLYMER OF A THIOHYDANTOIN COMPOUND WITH NO ELEMENTAL SULFUR BEING PRESENT, SAID THIOHYDANTOIN COMPOUND BEING REPRESENTED BY ONE OF THE FOLLOWING GENERIC FORMULAS:
References Cited (Backward Citations)
US2649459A
Cited
US2948709A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |