Patent US3607893A successfully refreshed from Google Patents.
US3607893A
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Addition of trihalostannous acid to olefins
Assignee: M&T Chemicals Inc
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Filing: 1968-12-18
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Granted: 1971-09-21
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Expires: 1988-12-18
Abstract
Abstract This invention comprises a method for producing organotin trihalides comprising reacting as reactants trihalostannous acid, HSnX3, wherein X is halogen, in an ethereal solution, and a compound selected from the group consisting of Alpha -olefinic compounds and cycoolefinic compounds and recovering said organotin trihalide compounds.
Inventors
- 👤 Gerald H Reifenberg
- 👤 William J Considine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:04
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/22; C07F7/2208
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
68 words
A method for producing organotin trihalides comprising a first step of preparing trihalostannous acid dietherate by reacting as reactants tin, hydrogen chloride, and an organic ether, a second step of reacting as reactants said trihalostannous acid dietherate produced in said first step and a compound selected from the group consisting of ethylene, propylene, butene-1, isobutene-1, pentene-1, hexene-1, heptene-1, octene-1, cycloheptene and cyclohexene, and recovering said organotin trihalide compounds.
Claim 2
Independent Claim
61 words
A method for producing organotin trihalides, the steps which comprise disposing in a reaction zone trihalostannous acid HSnX3, wherein X is halogen in an ethereal solution and a member selected from the group consisting of ethylene, propylene, butene-1, isobutene-1, pentene-1, hexene-1, heptene-1, octene-1, cycloheptene and cyclohexene, reacting said trihalostannous acid and said member, and recovering organotin trihalide from said reaction zone.
Claim 3
Dependent Claim
12 words
A method as recited in claim 3 in which X is chlorine.
Claim 4
Dependent Claim
13 words
A method as recited in claim 4 in which said member is 1-butene.
Claim 5
Independent Claim
69 words
A method for producing organotin trihalides, the steps which comprise disposing in a reaction zone trihalostannous acid HSnX3, wherein X is halogen in an ethereal solution and a member selected from the group consisting of ethylene, propylene, butene-1, isobutene-1, pentene-1, hexene-1, heptene-1, octene-1, cycloheptene and cyclohexene, reacting said trihalostannous acid and said member in the presence of a free radical catalyst, and recovering organotin trihalide from said reaction zone.
Claim 6
Dependent Claim
12 words
A method as recited in claim 6 in which X is chlorine.
Claim 7
Dependent Claim
13 words
A method as recited in claim 7 in which said member is 1-butene.
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) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |