US3825580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-resistant adhesive compositions containing radical polymerizable alpha-cyanoacrylates
Assignee: Toagosei Co Ltd
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Filing: 1972-12-13
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Granted: 1974-07-23
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Expires: 1992-12-13
Abstract
Abstract WHEREIN R IS AN ALKENYL, ALKINYL, ALKENYLOXYALKYL OR CYCLOALKENYL GROUP, AND AT LEAST 0.1% BY WEIGHT BASED ON THE WEIGHT OF THE COMPOSITION IS NOT ONLY INSTANTI ANEOUSLY ADHESIVE ADHESIVE COMPOSITION IS NOT ONLY INSTANTANEOUSLY ADHESIVE AT ROOM TEMPERATURE BUT ALSO HAS A SUFFICIENTLY PRACTICAL BONDING STRENGTH EVEN AT SUCH A HIGH TEMPERATURE AS 150* C. OR B ABOVE. CH2=C(CN)COOR A HEAT-RESISTANT ADHESIVE COMPOSITION COMPRISING A RADICAL POLYMERIZABLE A-CYANOACRYLATE REPRESENTED BY THE FORMULA,
Inventors
- 👤 H Kato
- 👤 I Tsuzi
- 👤 K Azuma
- 👤 H Tatemichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:55
CPC Classifications
C; C07; C07C; C07C255/00; C08; C08F; C08F22/00; C08F22/30
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) | 1977-07-22 | 1978-01-21 | 1978-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-22 | 1982-01-21 | 1982-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-22 | 1986-01-21 | 1986-07-23 | $7700.00 | Window Closed / Lapsed |