US3278641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified polyolefins
Assignee: EIDP Inc
•
Filing: 1963-02-25
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Granted: 1966-10-11
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Expires: 1983-02-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Vernon Lee Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:40
CPC Classifications
C; C08; C08F; C08F210/00; C08F210/02; C08F8/00; C08F8/30; C08F2810/00; C08F2810/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
THE REACTION PRODUCT OF A POLUMER OF A CONJUGATED TRIOLEFIN WHEREIN EACH DOUBLE BONDED CARBON ATOM BEARS AT LEAST ONE HYDROGEN ATOM ABD 0-99% BY WEIGHT OF AT LEAST ONE ALPHA OLEFINE HAVING 2-10 CARBON ATOMS AND A DIENOPHILIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF SULFUR DIOXIDE,
Claim 2
Dependent Claim
48 words
THE REACTION PRODUCT OF A POLUMER OF A CONJUGATED TRIOLEFIN WHEREIN EACH DOUBLE BONDED CARBON ATOM BEARS AT LEAST ONE HYDROGEN ATOM ABD 0-99% BY WEIGHT OF AT LEAST ONE ALPHA OLEFINE HAVING 2-10 CARBON ATOMS AND A DIENOPHILIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF SULFUR DIOXIDE,
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |