US3865858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrosilylation employing dicarbonyldichloroplatinum as a catalyst
Assignee: Bayer AG
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Filing: 1973-10-02
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Granted: 1975-02-11
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Expires: 1993-10-02
Abstract
Abstract In the production of an organosilicon compound by addition of a silicon compound selected from the group consisting of a hydrogenosilane and a hydrogenosiloxane to an olefinically unsaturated organic compound in the presence of a catalytically active platinum compound, the improvement which comprises employing dicarbonyldichloroplatinum as the platinum compound.
Inventors
- 👤 Andreas Ossko
- 👤 Heinz Goller
- 👤 Joachim Herzig
- 👤 Werner Buchner
- 👤 Armand Demontigny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:25
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/56; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/0872; C07F7/0876; C07F7/0878; C07F7/0879; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/12; C08G77/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
49 words
IN THE PRODUCTION OF AN ORGANOSILICON COMPOUND BY ADDITION OF A SILICON COMPOUND SELECTED FROM THE GROUP CONSISTING OF A HYDROGENSILANE AND A HYDROGENSILOXANE TO AN OLEFINICALLY UNSATURATED ORGANIC COMPOUND IN THE PRESENCE OF A CATALYTICALLY ACTIVE PLATINUM COMPOUND, THE IMPROVEMENT WHICH COMPRISES EMPLOYING DICARBONYLDICHLOROPLATINUM AS THE PLATINUM COMPOUND.
Claim 2
Dependent Claim
49 words
IN THE PRODUCTION OF AN ORGANOSILICON COMPOUND BY ADDITION OF A SILICON COMPOUND SELECTED FROM THE GROUP CONSISTING OF A HYDROGENSILANE AND A HYDROGENSILOXANE TO AN OLEFINICALLY UNSATURATED ORGANIC COMPOUND IN THE PRESENCE OF A CATALYTICALLY ACTIVE PLATINUM COMPOUND, THE IMPROVEMENT WHICH COMPRISES EMPLOYING DICARBONYLDICHLOROPLATINUM AS THE PLATINUM COMPOUND.
Claim 3
Dependent Claim
24 words
The process of claim 1, wherein the dicarbonyldichloroplatinum is employed in the amount of about 0.1 to 100 mg per kg of reaction mixture.
Claim 4
Dependent Claim
32 words
The process Of claim 1, wherein the silicon compound is at least one member selected from the group consisting of an alkyl-, alkenyl-, aryl-, aralkyl- alkaryl-, alkoxy-, acyloxy- and alkoxyalkyl-hydrogenosilane or -hydrogenosiloxane.
References Cited (Backward Citations)
US2823218A
Cited
US2970150A
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US3159601A
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US3159662A
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US3410886A
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US3470225A
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US3631086A
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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) | 1978-02-10 | 1978-08-12 | 1979-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-10 | 1982-08-12 | 1983-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-10 | 1986-08-12 | 1987-02-11 | $7700.00 | Window Closed / Lapsed |