Patent US4292433A successfully refreshed from Google Patents.
US4292433A
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US
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Method for producing 3-chloropropyltrichlorosilane
Assignee: JNC Corp
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Filing: 1980-10-31
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Granted: 1981-09-29
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Expires: 2000-10-31
Abstract
Abstract In the method of producing 3-chloropropyltrichlorosilane by the addition reaction of trichlorosilane to allyl chloride, [Pt(PPh 3 ) 2 Cl 2 ] is used as the catalyst for the reaction. Side reactions are suppressed to give a high yield of the product.
Inventors
- 👤 Isao Koga
- 👤 Yohji Terui
- 👤 Masuhito Ohgushi
- 👤 Tohru Kitahara
- 👤 Kenichi Watanabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:05
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/14
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
38 words
In the method for producing 3-chloropropyltrichlorosilane by the addition reaction of trichlorosilane to allyl chloride, the improvement comprising reacting said reactants in the presence of a complex of dichloro-bis(triphenylphosphine) platinum (II), [Pt(PPh 3 ) 2 Cl 2 ].
Claim 2
Dependent Claim
38 words
In the method for producing 3-chloropropyltrichlorosilane by the addition reaction of trichlorosilane to allyl chloride, the improvement comprising reacting said reactants in the presence of a complex of dichloro-bis(triphenylphosphine) platinum (II), [Pt(PPh 3 ) 2 Cl 2 ].
Claim 3
Dependent Claim
42 words
A method according to claim 1 wherein the reaction temperature is in the range of 30° to 160° C. and the amount of said complex used is in the range of 0.01 to 0.5% by mol based upon one mol of trichlorosilane.
References Cited (Backward Citations)
US4242272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-09-28 | 1985-03-30 | 1985-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-09-28 | 1989-03-30 | 1989-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-09-28 | 1993-03-30 | 1993-09-29 | $7700.00 | Window Closed / Lapsed |