Patent US3007134A successfully refreshed from Google Patents.
US3073805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cross-linked olefin-maleic anhydride interpolymers
Assignee: Monsanto Chemicals Ltd
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Filing: 1959-11-23
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Granted: 1963-01-15
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Expires: 1979-11-23
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Reinhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:42
CPC Classifications
C; C08; C08F; C08F22/00; C08F22/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A RESINOUS CROSS-LINKED INTERPOLYMER OF SUBSTANTIALLY EQUIMOLAR PORTIONS OF MALEIC ANHYDRIDE AND A MONOOLEFIN HAVING FROM 2 TO 4 CARBON ATOMS AND DIALLYL ETHER IN AN AMOUNT IN THE RANGE FROM ABOUT 0.1% TO ABOUT 5.0% BY WEIGHT BASED ON THE REACTING MONOMERS.
Claim 2
Dependent Claim
43 words
A RESINOUS CROSS-LINKED INTERPOLYMER OF SUBSTANTIALLY EQUIMOLAR PORTIONS OF MALEIC ANHYDRIDE AND A MONOOLEFIN HAVING FROM 2 TO 4 CARBON ATOMS AND DIALLYL ETHER IN AN AMOUNT IN THE RANGE FROM ABOUT 0.1% TO ABOUT 5.0% BY WEIGHT BASED ON THE REACTING MONOMERS.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |