US3631086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of organo-silicon compounds
Assignee: Bayer AG
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Filing: 1969-06-09
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Granted: 1971-12-28
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Expires: 1989-06-09
Abstract
Abstract IN A PROCESS FOR THE PRODUCTION OF AN ORGANO-SILICON COMPOUND BY THE ADDITION OF A HYDROGEN-SILANE OR -SILOXAND TO AN OLEFINICALLY-UNSATURATED ORGANIC COMPOUND IN THE PRESENCE OF A CATALYST, THE CATALYST ACCORDING TO THE INVENTION IS TRIMETHYL-DIPYRIDINE-PLATINUM-IODIDE OF THE FORMULA (CH3)3PT(C6H5N)2I
Inventors
- 👤 Klaus Seyfried
- 👤 Hans-Horst Steinbach
- 👤 Walter Noll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:49
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0801; B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1805; B01J31/181; 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) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |