Patent US3337489A successfully refreshed from Google Patents.
US3337489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible oxygen containing polybutadiene surface coating composition
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1963-11-26
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Granted: 1967-08-22
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Expires: 1983-11-26
Abstract
No abstract record available.
Inventors
- 👤 Cull Neville Leverne
- 👤 Mertzweiller Joseph Kern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:26
CPC Classifications
C; C08; C08L; C08L15/00; C08L2205/00; C08L2205/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A COMPOSITION COMPRISING FROM ABOUT 70 TO 95 PARTS BY WEIGHT OF AN OXIDIZED POLYMER CONTAINING 10% TO 30% OF OXYGEN BY WEIGHT SELECTED FROM THE GROUP CONSISTING OF POLYBUTADIENE AND POLYBUTADIENE COPOLYMERS AND FROM ABOUT 5 TO 30 PARTS BY WEIGHT OF A HYDROFORMYLATED POLYMER CHOSEN FROM THE GROUP CONSISTING OF POLYBUTADIENE AND POLYBUTADIENE COPOLYMERS.
Claim 2
Dependent Claim
56 words
A COMPOSITION COMPRISING FROM ABOUT 70 TO 95 PARTS BY WEIGHT OF AN OXIDIZED POLYMER CONTAINING 10% TO 30% OF OXYGEN BY WEIGHT SELECTED FROM THE GROUP CONSISTING OF POLYBUTADIENE AND POLYBUTADIENE COPOLYMERS AND FROM ABOUT 5 TO 30 PARTS BY WEIGHT OF A HYDROFORMYLATED POLYMER CHOSEN FROM THE GROUP CONSISTING OF POLYBUTADIENE AND POLYBUTADIENE COPOLYMERS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |