US3586699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Succinimidoalkylsilanes and siloxanes
Assignee: General Electric Co
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Filing: 1968-10-24
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Granted: 1971-06-22
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Expires: 1988-10-24
Abstract
Abstract RADICALS, WHERE Y IS A MEMBER SELECTED FROM THE CLASS CONSISTING OF HYDROGEN, HALOGEN AND METHYL, M IS AN INTEGER EQUAL TO FROM 1 TO 2, INCLUSIVE, AND N IS AN INTEGER EQUAL TO FROM 2 TO 3, INCLUSIVE, ARE PREPARED BY FIRST REACTING AN N-VINYL-N-ALLYL SUCCINIMIDE OR GLUTARIMIDE WITH A SILANE CONTAINING SILICON-BONDED HYDROGENS AND THEN CONVERTING THE SILANES TO SILOXANE HOMOPOLYMERS AND COPOLYMERS. THESE SILOXANES ARE USEFUL IN THE PREPARATION OF SILICONE FLUIDS AND ELASTOMERS HAVING IMPROVED RESISTANCE TO HYDROCARBON SOLVENTS. -(CH2)N-N<(-CO-C(-Y)2-(C(-Y)2)M-CO-) SILANES AND SILOXANES CONTAINING SILICON-BONDED
Inventors
- 👤 Tse C Wu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:05
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/26; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/12; C07F7/18; C07F7/1804; C07F7/21
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) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |