US3660449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction products of silicon monoxide and acetylenes and methods of preparing the same
Assignee: OI Glass Inc
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Filing: 1970-03-03
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Granted: 1972-05-02
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Expires: 1990-03-03
Abstract
Abstract AN ORGANO SILICON POLYMER IS PREPARED BY THE REACTION OF SILICON MONOXIDE AND AN ORGANIC COMPOUND CONTAINING A TRIPLE BOND SUCH AS ACETYLENE TO PROVIDE A POLYMER THAT IS USEFUL AS A LUBRICANT, AS A COATING COMPOSITION INGREDIENT AND AS A FILLER FOR PLASTIC COMPOSITIONS.
Inventors
- 👤 Erich T Schaschel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:02
CPC Classifications
C; C10; C10M; C10M7/00; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/0872; C07F7/0876; C07F7/0878; C08; C08G; C08G77/00; C08G77/48; C08L; C08L101/00; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10M2229/05; C10M2229/051; C10N; C10N2050/00; C10N2050/08; C10N2050/10
Claims Analysis
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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 |