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Method for producing sulfur-containing epoxy compound

Granted 23 Jun 2015 · 4 office actions

Current assignee: Mitsubishi Gaschemical Company, Inc. · originally Mitsubishi Electric Corporation

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Inventors: Hiroshi Horikoshi, Takashi Aoki · Examiner: T. Victor Oh · AU 1622 · TC 1600

Application
14/374,352
filed 12 Apr 2013
Publication
US 20140371475
published 18 Dec 2014
Patent· this page
US 9,062,016
granted 23 Jun 2015
4
Claims
1 independent
80
File wrapper
transactions
2033
20-year term
term adjustment not held
none
Litigation
checked
4
Classifications
C07D301/02, C07D301/26
15
Citations
15 cites · 0 cited by

Life of the patent

11 dated events
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Abstract

An object of the present invention is to provide a method for producing a sulfur-containing epoxy compound producing no scum-like insoluble matter. According to the present invention, a sulfur-containing halohydrin compound is dripped into and reacted with a mixed solvent containing an organic solvent and a basic compound to provide the method for producing the sulfur-containing epoxy compound. According to aspects of the present invention, the organic solvent is at least one type of compound selected from toluene and benzene, the basic compound is at least one type of compound selected from sodium hydroxide, potassium hydroxide and calcium hydroxide, and the reaction temperature is between −5° C. and 30° C.

Claims

4 · 1 independent · depth 2
1234
4 granted claims

Classifications

4 codes
IPC · International Patent Classification
Section C — Chemistry; metallurgy
  • C07D301/02
  • C07D301/26
  • C07D301/24
  • C07D303/34

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Pendency
2.2 y
802 days filing → grant
Office actions
2
non-final + final
Responses
2
1 RCE
Examiner
T. Victor Oh
art unit 1622 · TC 1600
Law firm
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Citations: 15 back · 0 forward

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Term & fees

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Priority chain

1 priority documents
›Priority documents — 1
TypeDocumentDate
related publicationUS 20140371475 A118 Dec 2014

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