Patent US2769790A successfully refreshed from Google Patents.
US2769790A
Expired / Lapsed
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Blended asphaltic compositions
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1952-04-23
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Granted: 1956-11-06
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Expires: 1972-04-23
Abstract
No abstract record available.
Inventors
- 👤 Murray H Edson
- 👤 Thomas S Tutwiler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:10
CPC Classifications
C; C08; C08L; C08L95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
AN ASPHALT COMPOSITION HAVING A DUCTILITY OF AT LEAST 3.5 AND CONSISTING OF AN ASPHALT CONTAINING ABOUT 0.1 TO 20% BY WEIGHT OF A POLYMERIC VINYL ETHER COMPOUND, SAID POLYMERIC ETHER BEING A POLYMER OF A POLYMERIZABLE MIXTURE CONSISTING OF AT LEAST ONE ETHER HAVING THE FORMULA:
Claim 2
Dependent Claim
47 words
AN ASPHALT COMPOSITION HAVING A DUCTILITY OF AT LEAST 3.5 AND CONSISTING OF AN ASPHALT CONTAINING ABOUT 0.1 TO 20% BY WEIGHT OF A POLYMERIC VINYL ETHER COMPOUND, SAID POLYMERIC ETHER BEING A POLYMER OF A POLYMERIZABLE MIXTURE CONSISTING OF AT LEAST ONE ETHER HAVING THE FORMULA:
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) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |