US3635880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable compositions for making high temperature stable cured -sh terminated polysulfide polymer
Assignee: ATK Launch Systems LLC
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Filing: 1969-11-10
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Granted: 1972-01-18
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Expires: 1989-11-10
Abstract
Abstract AN ALKALINE EARTH METAL OXIDE, E.G. MAGNESIUM OXIDE IS ESSENTIALLY INCLUDED IN A CURABLE POLYMRIC COMPOSITION COMPRISING IN ADMIXTURE-SH TERMINATED LIQUID ORGANIC POLYSULFIDE POLYMER, ORGANIC PEROXIDE AND CUPRIC ABLETATE OR 2,4,6-TRI(DIMETHYLAMINOMETHYL)PHENOL, THEREBY RENDERING THE CURED ELASTOMERIC PRODUCT FORMED UPON CURING THE CURABLE COMPOSTION STABLE AT TEMPERATURES IN THE RANGE FROM ABOUT 150 TO 300*F.
Inventors
- 👤 Osvaldo Lamboy
- 👤 Daniel J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:29
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) | 1975-01-17 | 1975-07-19 | 1976-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-17 | 1979-07-19 | 1980-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-17 | 1983-07-19 | 1984-01-18 | $7700.00 | Window Closed / Lapsed |