US3642855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silyl-containing dithiocarbamates with functional groups on sulfuralkyl ester side chain
Assignee: General Electric Co
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Filing: 1969-01-03
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Granted: 1972-02-15
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Expires: 1989-01-03
Abstract
Abstract NEW COMPOSITIONS OF MATTER ARE PREPARED BY FORMING FUNCTIONAL SUBSTITUENTS ON THE SULFUR-ALKYL ESTER SIDE CHAIN OF A DITHIOCARBAMATE SUBSTITUENT FORMED ON AN ORGANOSILICON COMPOUND. THE NEW COMPOSITIONS ARE PREPARED BY REACTING AN ORGANOLSILICON COMPOUND, SUBSTITUTED WITH AN ALKYL AMINE, WITH CARBON DISULFIDE IN THE PRESENCE OF A TERTIARY AMINE AND REACTING THE REACTION PRODUCT WITH A COMPOUND HAVING A META-DIRECTING GROUP ATTACHED TO A CARBON ATOM HAVING AN OLEFINIC DOUBLE BOND.
Inventors
- 👤 Abe Berger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:06
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/28; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804
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) | 1975-02-14 | 1975-08-16 | 1976-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-14 | 1979-08-16 | 1980-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-14 | 1983-08-16 | 1984-02-15 | $7700.00 | Window Closed / Lapsed |