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Patent US3274220A successfully refreshed from Google Patents.
US3274220A
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US
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Polyether alcohols, polyether acids and salt derivatives and method of production
Assignee: Archer Daniels Midland Co
•
Filing: 1956-11-28
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Granted: 1966-09-20
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Expires: 1976-11-28
Abstract
No abstract record available.
Inventors
- 👤 Walter M Budde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:17
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/22; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08G59/145; C08G65/32; C08G65/321
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
8 words
AMMONIUM SALTS OF POLYMERIZED EPOXY HIGHER FATTY ACIDS.
Claim 2
Dependent Claim
8 words
AMMONIUM SALTS OF POLYMERIZED EPOXY HIGHER FATTY ACIDS.
Claim 3
Dependent Claim
5 words
THE POLYMER OF THE STRUCTURE:
Claim 4
Dependent Claim
5 words
THE POLYMER OF THE STRUCTURE:
Claim 5
Dependent Claim
13 words
POLYMERIZED EPOXY HIGHER FATTY ALCOHOLS HAVING POLY ETHER LINKAGES AND FREE ALCOHOL GROUPS.
Claim 6
Dependent Claim
13 words
POLYMERIZED EPOXY HIGHER FATTY ALCOHOLS HAVING POLY ETHER LINKAGES AND FREE ALCOHOL GROUPS.
References Cited (Backward Citations)
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Cited
US2547760A
Cited
US2160572A
Cited
US2239533A
Cited
US2386250A
Cited
US2455912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |