Patent US3787439A successfully refreshed from Google Patents.
US3787439A
Expired / Lapsed
US
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Imido-substituted organopolysiloxane compositions
Assignee: General Electric Co
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Filing: 1970-08-26
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Granted: 1974-01-22
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Expires: 1990-08-26
Abstract
Abstract CURABLE ORGANOPOLYSILOXANE COMPOSITIONS ARE PROVIDED AND A METHOD FOR MAKING THEM, COMPRISING ORGANOPOLYSILOXANE HAVING ONE OR MORE ALIPHATICALLY UNSATURATED IMIDO ARGANO RADICALS ATTACHED TO SILICON THROUGH A CARBON-SILICON BOND. THE CURABLE ORGANOPOLYSILOXANE COMPOSITIONS CAN BE IN THE FORM OF BLENDS OF SUCH IMIDO-SUBSTITUTED ORGANOPOLYSILOXANE IN COMBINATION WITH AT LEAST ONE OLEFINICALLY UNSATURATED MONOMER, SUCH AS N-PHENYLMALEIMIDE, BISMALEIMIDE, SYTENE, ETC., OR AT LEAST ONE POLYMER, SUCH AS POLYCARBONATE, PPOLYVINYLCHLORIDE, ETC., OR MIXTURES THEREOF.
Inventors
- 👤 F Holub
- 👤 M Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:52
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/38; C08G77/382; C08G77/388; C08G77/22; C08G77/26
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) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |