US3084142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogenation of dehydrohalogenated butyl rubber
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1958-12-19
•
Granted: 1963-04-02
•
Expires: 1978-12-19
Abstract
No abstract record available.
Inventors
- 👤 Delmer L Cottle
- 👤 Lemiszka Theodore
- 👤 Jr Leon S Minckler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:37
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/18; C08F8/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
PROCESS FOR MODIFYING A RUBBERY POLYMER WHICH COMPRISES ADMIXING A LOW UNSATURAATION ISOLEFIN-MUTIOLEFIN RUBBERY POLYMER WITH AMINE HAVING A PYRIDINE NUCLEUS WHICH IS CHARACTERIZED BY THE FORMULA SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
33 words
PROCESS FOR MODIFYING A RUBBERY POLYMER WHICH COMPRISES ADMIXING A LOW UNSATURAATION ISOLEFIN-MUTIOLEFIN RUBBERY POLYMER WITH AMINE HAVING A PYRIDINE NUCLEUS WHICH IS CHARACTERIZED BY THE FORMULA SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
US2361072A
Cited
US2596878A
Cited
US2631984A
Cited
US2739141A
Cited
US2732354A
Cited
US2964489A
Cited
US2891595A
Cited
US2995545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |