Patent EP0287347A2 successfully refreshed from Google Patents.
EP0287347A2
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EP
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Method for preparing epichlorohydrins
Assignee: Mitsui Toatsu Chemicals Inc
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Filing: 1988-04-13
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Granted: —
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Expires: 2008-04-13
Abstract
Abstract The present invention is directed to a method for preparing epichlorohydrins by epoxidizing allyl chlorides with an organic hydroperoxide, and the epoxidation reaction is performed in the presence of a catalyst having titanium atoms bound to a silicon dioxide carrier and having silanol groups on the same carrier, whereby epichlorohydrins are obtained in high yield.
Inventors
- 👤 Takehisa Nakanishi
- 👤 Eizi Koga
- 👤 Isao Fukada
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-31 08:55
CPC Classifications
C; C07; C07D; C07D301/00; C07D301/02; C07D301/03; C07D301/19; B; B01; B01J; B01J21/00; B01J21/06; B01J21/063; B01J31/00; B01J31/16; B01J31/1608; B01J37/00; B01J37/02; B01J37/0201; B01J37/0209; C07D303/00; C07D303/02; C07D303/08; B01J2531/00; B01J2531/40; B01J2531/46
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
50 words
A method for preparing an epichlorohydrin which comprises the step of reacting an allyl chloride with an alkyl hydroperoxide in the presence of a catalyst having titanium atoms bound to a silicon dioxide carrier via oxygen atoms and having one or more silanol groups per square nanometer of said carrier.
Claim 2
Independent Claim
50 words
A method for preparing an epichlorohydrin which comprises the step of reacting an allyl chloride with an alkyl hydroperoxide in the presence of a catalyst having titanium atoms bound to a silicon dioxide carrier via oxygen atoms and having one or more silanol groups per square nanometer of said carrier.
Claim 3
Dependent Claim
34 words
A method according to Claim 1 wherein said catalyst is that which has been subjected to a heat treatment at a temperature in the range of 100 to 500°C in a non-reducing gas atmosphere.
Claim 4
Dependent Claim
34 words
A method according to Claim 1 or 2 wherein the concentration of said titanium atoms bound to said carrier is in the range of 0.01 to 20 atoms per square nanometer of said carrier.
Claim 5
Dependent Claim
24 words
A method according to Claim 1,2 or 3 wherein said alkyl hydroperoxide is selected from cumene hydroperoxide, ethylbenzene hydroperoxide, tert-butyl hydroperoxide and cyclohexyl hydroperoxide.
Claim 6
Independent Claim
18 words
A method according to any preceding claim wherein said allyl chloride is allyl chloride or a 2-alkylallyl chloride.
References Cited (Backward Citations)
No citation records indexed.
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