US3560595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluoroelastomer sealants
Assignee: AVIAT UK
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Filing: 1966-08-01
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Granted: 1971-02-02
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Expires: 1986-08-01
Abstract
Abstract A CURABLE SEALANT COMPOSITION IS PROVIDED COMPRISING A FLUORHYDROCARBON ELASTOMER HAVING AN AVERAGE MOLECULAR WEIGHT LESS THAN ABOUT 20,000 AND CONTAINING A SUFFICIENT AMOUNT OF UNSATURATED CARBON-CARBON LINKAGE TO CURE THE SEALANT COMPOSITION, A FLUOROHYDROCARBON ELASTOMER HAVING AN AVERAGE MOLECULAR WEIGHT GREATER THAN ABOUT 40,000, AND A SUITAGLE CURING AGENT. SUCH SEALANT COMPOSITIONS HAVE THE ADVANTAGE THAT THEY ARE READILY ESTRUDBLE, CAN BE APPLIED WITHOUT SOLVENT, OR WITH THE APPLICATION OF RELATIVELY LITTLE SOLVENT AND ALSO MAY BE CURED IN STIU BY HEATING AT MODERATE TEMPERATURES FOR REASONABLE PERIODS OF TIME, SAY AT LESS THAN 200*C. FOR LESS THAN 24 HOURS.
Inventors
- 👤 Leslie Nathan Phillips
- 👤 David Kenneth Thomas
- 👤 George Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:56
CPC Classifications
C; C08; C08F; C08F244/00; C08F8/00; C08F8/26; C08F8/30; C08F8/32; C08L; C08L27/00; C08L27/02; C08L27/12; C08L27/22; C08F2800/00; C08F2800/20; C08F2810/00; C08F2810/20; C08L2205/00; C08L2205/02
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 |