US3560436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable composition from cyclic polydiorganosiloxane
Assignee: Dow Silicones Corp
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Filing: 1969-05-19
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Granted: 1971-02-02
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Expires: 1989-05-19
Abstract
Abstract A COMPOSITION OF (R2SIO)A, (CF3-CO-)2-O AND (R''-)B-SI(-OOC-CF3)(4-B) WHERE R IS ALKYL OR 3, 3, 3-TRIFLUOROPROPYL. R'' IS A MONOVALENT HYDROCARBON OR HALOGENATED HYDROCARBON RADICAL, A IS 3 OR 4 AND B IS 0 OR 1 IS DISCLOSED. THE COMPOSITION IS STABLE IN THE ABSENCE OF MOISTURE BUT CURES TO A GELLED MATERIAL WHEN EXPOSED TO MOISTURE. THE COMPOSITION IS USEFUL AS A RUBBERY MATERIAL, A POTTING COMPOSITION AND AS AN ENCAPSULANT.
Inventors
- 👤 John P Szendrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:02
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/095; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1896; C08K5/54; C08K5/5406
Claims Analysis
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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 |