Patent US3748313A successfully refreshed from Google Patents.
US3748313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
One-part polythiol compositions containing encapsulated activators
Assignee: ATK Launch Systems LLC
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Filing: 1972-07-24
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Granted: 1973-07-24
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Expires: 1992-07-24
Abstract
Abstract STORAGE-STABLE, CURABLE, SUBSTANTIALLY ANHYDROUS LIQUID POLYTHIOL POLYMER SEALANT OR ADHESIVE COMPOSITIONS HAVING INCORPORATED THEREIN A SUBSTANTIALLY ANHYDROUS DORMANT CURING AGENT FOR THE POLYMER, AND MECHANICALLY FRACTURABLE CAPSULE CONTAINING AN ACTIVATOR FOR THE CURING AGENT, E.G., WATER. THE CURING OF THE COMPOSITION IS INITIATED AT THE TIME OF APPLICATION BY SUBJECTING THE COMPOSITIONS TO MECHANICAL FORCES, AS FOR EXAMPLE, BY PASSING THROUGH A GEAR PUMP.
Inventors
- 👤 G Bulbenko
- 👤 E Sorg
- 👤 J Gallagher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:07
CPC Classifications
C; C08; C08L; C08L81/00
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) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |