US3661817A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable compositions
Assignee: General Electric Co
•
Filing: 1970-05-04
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Granted: 1972-05-09
•
Expires: 1990-05-04
Abstract
Abstract ROOM TEMPERATURE VULCANIZING SILICONE ELASTOMERS ARE PREPARED BY THE ADDITION OF A NOVEL CROSS-LINKING AGENT SUCH AS ACETOXYPROPENYLENYLTRIACETOXYSILANE TO A SILANOL CHAIN-STOPPED POLYDIORGANOSILOXANE FLUID. THESE COMPOSITIONS ARE STABLE, FREE FLOWING FLUIDS IN THE ABSENCE OF MOISTURE BUT CURE TO A RUBBERY, SOLID ELASTIC STATE UPON EXPOSURE TO MOISTURE. THESE COMPOSITONS ARE PARTICULARLY USEFUL AS ADHESIVES IN DIFFCULT BONDING SITUATIONS SUCH AS ATTACHING GLASS WINDOW PANES TO ALUMINUM WINDOW FRAMES.
Inventors
- 👤 Stephen B Hamilton
- 👤 Melvin D Beers
- 👤 Abe Berger
- 👤 Terry G Selin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:50
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/18; C07F7/1896; C09; C09J; C09J183/00; C09J183/04; C08G; C08G77/00; C08G77/04; C08G77/045; C08G77/14; C08G77/16; C08G77/22; C08G77/24; C08G77/26; C08G77/70; C08L2666/00; C08L2666/28; C08L2666/44; Y; Y10; Y10S; Y10S528/00; Y10S528/901
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) | 1975-05-09 | 1975-11-08 | 1976-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-09 | 1979-11-08 | 1980-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-09 | 1983-11-08 | 1984-05-09 | $7700.00 | Window Closed / Lapsed |