US3558741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Imido-substituted organopolysiloxane compositions
Assignee: General Electric Co
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Filing: 1969-05-05
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Granted: 1971-01-26
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Expires: 1989-05-05
Abstract
Abstract CURABLE ORGANOPOLYSILOXANE COMPOSITIONS ARE PROVIDED AND A METHOD FOR MAKING THEM, COMPRISING ORGANOPOLYSILOXANE HAVING ONE OR MORE ALIPHATICALLY UNSATURATED IMIDO ORGANO 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, BISMALEMIDE, STYRENE, ETC., OR AT LEAST ONE POLYMER, SUCH AS POLYCARBONATE, POLYVINYLCHLORIDE, ETC., OR MIXTURES THEREOF.
Inventors
- 👤 Fred F Holub
- 👤 Milton L Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:35
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/38; C08G77/382; C08G77/388; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C08G77/22; C08G77/26; Y; Y10; Y10S; Y10S525/00; Y10S525/905; Y10S525/906; Y10S525/91; Y10S525/912; Y10S525/925
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |