US3002941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curing epoxy resin with an amino-poly-imidazoline
Assignee: General Mills Inc
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Filing: 1957-05-17
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Granted: 1961-10-03
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Expires: 1977-05-17
Abstract
No abstract record available.
Inventors
- 👤 Peterson Lowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:37
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/02; C08G69/26; C08G69/34; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A CURED COMPOSITION CONTAINING AN EPOXY RESIN BEING A GLYCIDYL POLYETHER OF A POLYHYDRIC PHENOL AND HAVING AN EPOXY EQUIVALENT WEIGHT OF AT LEAST 100 AND AN AMINOPOLY-IMIDAZOLINE-AMIDE WHICH IS THE REACTION PRODUCT AT TEMPERATURES IN THE RANGE OF 285 TO 315*C. OF (A) POLYMERIC FAT ACIDS AND (B) AN EXCESS OF AN ALIPHATIC POLYAMINE OF THE GENERAL STRUCTURAL FORMULA
Claim 2
Dependent Claim
60 words
A CURED COMPOSITION CONTAINING AN EPOXY RESIN BEING A GLYCIDYL POLYETHER OF A POLYHYDRIC PHENOL AND HAVING AN EPOXY EQUIVALENT WEIGHT OF AT LEAST 100 AND AN AMINOPOLY-IMIDAZOLINE-AMIDE WHICH IS THE REACTION PRODUCT AT TEMPERATURES IN THE RANGE OF 285 TO 315*C. OF (A) POLYMERIC FAT ACIDS AND (B) AN EXCESS OF AN ALIPHATIC POLYAMINE OF THE GENERAL STRUCTURAL FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |