Patent US3393178A successfully refreshed from Google Patents.
US3393178A
Expired / Lapsed
US
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Zinc chelate and polyepoxide compositions containing it
Assignee: Interchemical Corp
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Filing: 1965-03-18
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Granted: 1968-07-16
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Expires: 1985-03-18
Abstract
No abstract record available.
Inventors
- 👤 John E Lynch
- 👤 Charles A Kumins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:59
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/68; C08G59/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A CURABLE EPOXIDE RESIN COMPOSITION CONSISTING ESSENTIALLY OF (A) FROM ABOUT 2 TO ABOUT 20 PARTS BY WEIGHT OF A ZINC CHELATE HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
26 words
A CURABLE EPOXIDE RESIN COMPOSITION CONSISTING ESSENTIALLY OF (A) FROM ABOUT 2 TO ABOUT 20 PARTS BY WEIGHT OF A ZINC CHELATE HAVING THE STRUCTURAL FORMULA
References Cited (Backward Citations)
US3272853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |