US3249567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bitumen-ethylene copolymer compositions
Assignee: Dow Chemical Co
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Filing: 1962-06-08
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Granted: 1966-05-03
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Expires: 1982-06-08
Abstract
No abstract record available.
Inventors
- 👤 Richard E Vigneault
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:59
CPC Classifications
C; C08; C08L; C08L95/00; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08L23/0846; C08L23/0869
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
AN ASPHALTIC COMPOSITION COMPRISING ABOUT 5 TO ABOUT 95 PERCENT BY WEIGHT OF AN AROMATIC BASE PETROLEUM ASPHALT AND ABOUT 5 TO ABOUT 95 PERCENT BY WEIGHT OF A COPOLYMER OF ETHYLENE WITH FROM ABOUT 10 PERCENT TO ABOUT 40 PERCENT BY WEIGHT BASED ON THE WEIGHT OF THE COPOLYMER OF AN ALKYL ESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID AND METHYLACRYLIC ACID, THE ALKYL GROUP OF SAID ESTER CONTAINING FROM 1 TO 8 CARBON ATOMS.
Claim 2
Dependent Claim
81 words
AN ASPHALTIC COMPOSITION COMPRISING ABOUT 5 TO ABOUT 95 PERCENT BY WEIGHT OF AN AROMATIC BASE PETROLEUM ASPHALT AND ABOUT 5 TO ABOUT 95 PERCENT BY WEIGHT OF A COPOLYMER OF ETHYLENE WITH FROM ABOUT 10 PERCENT TO ABOUT 40 PERCENT BY WEIGHT BASED ON THE WEIGHT OF THE COPOLYMER OF AN ALKYL ESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID AND METHYLACRYLIC ACID, THE ALKYL GROUP OF SAID ESTER CONTAINING FROM 1 TO 8 CARBON ATOMS.
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |