US3560444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat reactive mixtures of bis(hydrocarbyloxyalkyl) esters of aromatic tetracarboxylic acids and aromatic diamines
Assignee: Monsanto Research Corp
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Filing: 1968-09-09
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Granted: 1971-02-02
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Expires: 1988-09-09
Abstract
Abstract HEAT REACTIVE MIXTURES OF BIS(HYDROCARBYLOXYALKYL) ESTERS OF AROMATIC TETRACARBOXYLIC ACIDS AND AROMATIC DIAMINES, SAID MIXTURES BEING USEFUL AS COATING AND LAMINATING COMPOSITIONS.
Inventors
- 👤 Ralph E De Brunner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:41
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/10; C08G73/1003; C08G73/1007
Claims Analysis
Total Claims: 0
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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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |