US3565935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming mercaptoalkyl substituted organosilicon compounds
Assignee: General Electric Co
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Filing: 1969-01-06
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Granted: 1971-02-23
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Expires: 1989-01-06
Abstract
Abstract MONOMERIC ORGANOSILICON COMPOUNDS, HAVING MERCAPTOALKYL SUBSTITUENTS, ARE FORMED THROUGH TREATMENT OF AN ORGANOSILICON COMPOUND, HAVING AN ALKYL SUBSTITUENT WITH A THIOACID SALT GROUP, WITH AMMOIA OR AN AMINE COM POUND. THE REMAINING GROUPS ON THE ORGANOSILICON COMPOUND ARE NOT AFFECTED BY THE TREATMENT AND RETAIN FUNCTIONAL OR NONFUNCTIONAL SUBSTITUENTS, UNCHANGED.
Inventors
- 👤 Abe Berger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:11
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0896; C07F7/18; C07F7/1804; C07F7/1872; C07F7/1892
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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |