Patent US3025269A successfully refreshed from Google Patents.
US3025269A
Expired / Lapsed
US
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Ethylene-diethylene glycol monovinyl ether copolymer
Assignee: Monsanto Chemicals Ltd
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Filing: 1959-12-28
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Granted: 1962-03-13
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Expires: 1979-12-28
Abstract
No abstract record available.
Inventors
- 👤 John D Calfee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:24
CPC Classifications
C; C08; C08F; C08F16/00; C08F16/12; C08F10/00; C08L; C08L29/00; C08L29/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
A HIGH MOLECULAR WEIGHT NORMALLY-SOLID COPOLYMEROF ETHYLENE AND DIETHYLENE GLYCOL MONOVINYL ETHER IN WHICH POLYMERIZATE OF THE SAID ETHER CONSTITUTES ABOUT 1% TO 20% BY WEIGHT OF THE POLYMER.
Claim 2
Dependent Claim
29 words
A HIGH MOLECULAR WEIGHT NORMALLY-SOLID COPOLYMEROF ETHYLENE AND DIETHYLENE GLYCOL MONOVINYL ETHER IN WHICH POLYMERIZATE OF THE SAID ETHER CONSTITUTES ABOUT 1% TO 20% BY WEIGHT OF THE POLYMER.
References Cited (Backward Citations)
US2467234A
Cited
US2828220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |