Patent US2562537A successfully refreshed from Google Patents.
US2562537A
Expired / Lapsed
US
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Styrene, fatty oil polyallyl ether copolymers
Assignee: General Mills Inc
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Filing: 1948-04-05
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Granted: 1951-07-31
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Expires: 1968-04-05
Abstract
No abstract record available.
Inventors
- 👤 Roach John Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:33
CPC Classifications
C; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; C08; C08F; C08F242/00; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F212/08; C08F216/00; C08F216/12; C08F216/14; C08F216/1416
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
25 words
A LIQUID, SOLUBLE COPOLYMER COMPRISING A PRINCIPAL QUANTITY OF AN UNSATURATED FATTY OIL, AND LESSER BUT SUBSTANTIALLY QUANTITIES OF A POLYALLYL ETHER AND OF STYRENE.
References Cited (Backward Citations)
US2037740A
Cited
US2273891A
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US2341175A
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US2395504A
Cited
US2450234A
Cited
US2462817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |