Patent US2167189A successfully refreshed from Google Patents.
Patent US3239546A successfully refreshed from Google Patents.
US3239546A
Expired / Lapsed
US
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Polyamine derivatives of polymeric fat acids
Assignee: General Mills Inc
•
Filing: 1963-01-09
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Granted: 1966-03-08
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Expires: 1983-01-09
Abstract
No abstract record available.
Inventors
- 👤 Edgar R Rogier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:11
CPC Classifications
C; C07; C07K; C07K1/00; C07K1/006; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/32; C08G18/3225; C08G18/3234; C08G69/00; C08G73/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A POLYAMINE HAVING THE FORMULA:
Claim 2
Dependent Claim
5 words
A POLYAMINE HAVING THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |