US3567755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of organo-silicon compounds
Assignee: Bayer AG
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Filing: 1968-05-23
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Granted: 1971-03-02
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Expires: 1988-05-23
Abstract
Abstract IN A PROCESS FOR PRODUCTION OF AN ORGANO-SILICON COMPOUND BY THE ADDITION OF A HYDROGEN-SILANE OR -SILOXANE TO AN OLEFINICALLY-UNSATURATED ORGANIC COMPOUND IN THE PRESENCE OF A CATALYST, THE CATALYST ACCORDING TO THE INVENTION IS HEXAMETHYL-DIPYRIDNNE-DIPLATINUM DIIODIDE OF THE FORMULA 1,3-DI(PYRIDINO),1,1,1,3,3,3-HEXA(CH3-)-1,3,2,4- CYCLODIPLATINUMDIIODIDE
Inventors
- 👤 Klaus Seyfried
- 👤 Hans-Horst Steinbach
- 👤 Walter Noll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:58
CPC Classifications
C; C07; C07F; C07F15/00; C07F15/0006; C07F15/0086; B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1805; B01J31/181; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/0872; C07F7/0876; C07F7/0878; C07F7/0879; C07F7/18; C07F7/1804; C07F7/1872; C07F7/1876; B01J2231/00; B01J2231/30; B01J2231/32; B01J2231/323; B01J2531/00; B01J2531/80; B01J2531/82; B01J2531/828
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |