Patent US3660345A successfully refreshed from Google Patents.
US3660345A
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US
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Organopolysiloxane elastomer compositions
Assignee: General Electric Co
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Filing: 1968-09-09
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Granted: 1972-05-02
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Expires: 1988-09-09
Abstract
Abstract ORGANOPOLYSILOXANE COMPOSITIONS ARE PROVIDED WHICH ARE CONVERTIBLE TO ELASTOMERS HAVING HIGH TEAR STRENGTH AND RESILIENCY COMPRISING EITHER A TWO COMPONENT BLEND OF A VINYL CONTAINING ORGANOPOLYSILOXANE GUM HAVING MINOR AMOUNTS OF CHEMICALLY COMBINED SILOXY UNITS WITH AT LEAST ONE VINYL RADICAL ATTACHED TO SILICON, AND A VINYLPOLYSILOXANE HAVING UP TO MAJOR AMOUNTS OF CHEMICALLY COMBINED SILOXY UNITS WITH AT LEAST ONE VINYL RADICAL ATTACHED TO SILICON, OR A THREE-COMPONENT BLEND COMPRISING AN ORGANOPOLYSILOXANE GUM FREE OF CHEMICALLY COMBINED SILOXY UNITS WITH AT LEAST ONE VINYL RADICAL ATTACHED TO SILICON IN COMBINATION WITH THE AFOREMENTIONED TWO COMPONENT BLEND.
Inventors
- 👤 William Joseph Bobear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:57
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08K; C08K3/00; C08K3/34; C08K3/36; C08K5/00; C08K5/54; C08G; C08G77/00; C08G77/04; C08G77/14; C08G77/16; C08G77/18; C08G77/20; C08G77/70
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) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |