Patent US2880190A successfully refreshed from Google Patents.
US2880190A
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Process of curing butadiene polymers in the presence of a hydrocarbon diluent and di-tertiary butyl peroxide
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1954-11-24
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Granted: 1959-03-31
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Expires: 1974-11-24
Abstract
No abstract record available.
Inventors
- 👤 Anthony H Gleason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:09
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS FOR PREPARING A SOLID INFUSIBLE RESIN FROM A POLYMER CHOSEN FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF BUTADIENE-1,3 AND COPOLYMERS OF BUTADIENE1.3 WITH UP TO 50% STYRENE WHICH COMPRISES HEATING THE POLYMER FOR THREE TO FIVE DAYS AT A TEMPERATURE BETWEEN 100 AND 175*C. IN THE PRESENCE OF 5 TO 20% OF A PREDOMINANTLY PARAFFINIC AND NAPHTHENIC HYDROCARBON DILUENT BOILING ABOVE 200*C. AND 1.5 TO 5% OF DITERTIARY BUTYL PEROXIDE.
Claim 2
Dependent Claim
72 words
A PROCESS FOR PREPARING A SOLID INFUSIBLE RESIN FROM A POLYMER CHOSEN FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF BUTADIENE-1,3 AND COPOLYMERS OF BUTADIENE1.3 WITH UP TO 50% STYRENE WHICH COMPRISES HEATING THE POLYMER FOR THREE TO FIVE DAYS AT A TEMPERATURE BETWEEN 100 AND 175*C. IN THE PRESENCE OF 5 TO 20% OF A PREDOMINANTLY PARAFFINIC AND NAPHTHENIC HYDROCARBON DILUENT BOILING ABOVE 200*C. AND 1.5 TO 5% OF DITERTIARY BUTYL PEROXIDE.
References Cited (Backward Citations)
US2440299A
Cited
US2648644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |