Patent US3746734A successfully refreshed from Google Patents.
US3746734A
Expired / Lapsed
US
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Acrylate or methacrylate silanes
Assignee: General Electric Co
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Filing: 1972-02-04
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Granted: 1973-07-17
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Expires: 1992-02-04
Abstract
Abstract ACRYLOXY OR METHACRYLOXY SUBSTITUTED SILICONE COMPOUND OF THE FORMULA: (R-O)(3-A)-SI(-R1A)-C(-CH2)-R2-OOC-C(-R3)=CH2 WHEREIN R IS H OR IS A MONOVALENT ORGANIC RADICAL FREE OF NON-BENZENOID UNSATURATION; R1 IS HALOGEN OR A MONOVALENT HYDROCARBON RADICAL FREE OF NON-BENZENOID UNSATURATION; R2 IS A DIVALENT HYDROCARBON RADICAL; R3 IS H OR CH3; A IS A WHOLE NUMBER INTEGER FROM 0. TO 3 INCLUSIVE; ISOMERIC MIXTURES THEREOF; AND PROCESS OF PREPARATION ARE PROVIDED.
Inventors
- 👤 A Berger
- 👤 T Selin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:24
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/54; C08K5/541; C08K5/5425; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/18; C07F7/1804; C08F; C08F230/00; C08F230/04; C08F230/08; C08F230/085; C08F291/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-16 | 1977-01-15 | 1977-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-16 | 1981-01-15 | 1981-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-16 | 1985-01-15 | 1985-07-17 | $7700.00 | Window Closed / Lapsed |