US3442841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Asphalt-ethylene/vinyl acetate copolymer compositions
Assignee: EIDP Inc
•
Filing: 1962-04-13
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Granted: 1969-05-06
•
Expires: 1982-04-13
Abstract
No abstract record available.
Inventors
- 👤 Robert L Adelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:03
CPC Classifications
C; C08; C08L; C08L95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A COMPOSITION COMPRISING ASPHALT AND DISPERSED THEREIN 0.1-40% OF AN ETHYLENE/VINYL ACETATE COPOLYMER BASED ON THE COMBINED WEIGHT OF SAID ASPHALT AND COPOLYMER, SAID COPOLYMER CONTAINING 5-40% BY WEIGHT OF VINYL ACETATE.
Claim 2
Dependent Claim
32 words
A COMPOSITION COMPRISING ASPHALT AND DISPERSED THEREIN 0.1-40% OF AN ETHYLENE/VINYL ACETATE COPOLYMER BASED ON THE COMBINED WEIGHT OF SAID ASPHALT AND COPOLYMER, SAID COPOLYMER CONTAINING 5-40% BY WEIGHT OF VINYL ACETATE.
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) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |