Patent US2878233A successfully refreshed from Google Patents.
US2878233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxy resins including diimidazoline curing agents
Assignee: General Mills Inc
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Filing: 1957-03-11
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Granted: 1959-03-17
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Expires: 1977-03-11
Abstract
No abstract record available.
Inventors
- 👤 Stuart A Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:34
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/5046; C08G59/5053; C08G59/5073
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A COMPOSITION OF MATTER CONTAINING (A) EPOXY RESIN HAVING AN EPOXY EQUIVALENCY OF AT LEAST 100 AND (B) A DIIMIDAZOLINE OF THE GENERAL STRUCTURAL FORMULA,
Claim 2
Dependent Claim
25 words
A COMPOSITION OF MATTER CONTAINING (A) EPOXY RESIN HAVING AN EPOXY EQUIVALENCY OF AT LEAST 100 AND (B) A DIIMIDAZOLINE OF THE GENERAL STRUCTURAL FORMULA,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |