US3640972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive compositions comprising 2-cyanoacrylates and heterocyclic compounds
Assignee: Individual
•
Filing: 1969-06-06
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Granted: 1972-02-08
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Expires: 1989-06-06
Abstract
Abstract IMPROVEMENTS ARE MADE IN THE CURE SPEED AND BOND PERFORMANCE OF CYANOACRYLATE ADHESIVES BY USING IN CONJUNCTION THEREWITH AN IMINO- OR UNSATURATED ALIPHATICALLY SUBSTITUTED DERIVATIVE OF S-TRIAZINE, HEXAHYDRO-S-TRIAZINE OR PYRIMIDO (5,4-D) PYRIMIDINE.
Inventors
- 👤 Bernard Joseph Bolger
- 👤 Denis Joseph O'sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:18
CPC Classifications
C; C09; C09J; C09J4/00
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) | 1975-02-07 | 1975-08-09 | 1976-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-07 | 1979-08-09 | 1980-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-07 | 1983-08-09 | 1984-02-08 | $7700.00 | Window Closed / Lapsed |