Title:
ε−カプロラクタムの製造方法
Document Type and Number:
Japanese Patent JP6866894
Kind Code:
B2
Abstract:
A production method of ε-caprolactam, comprising a step of Beckmann-rearranging cyclohexanone oxime in a gas phase in the presence of a zeolite catalyst containing a silicon element and at least one element selected from the group consisting of alkaline earth metal elements and a magnesium element, wherein the concentration of the above-described element in the zeolite catalyst is 3 ppm by mass or more and 10000 ppm by mass or less.
More Like This:
| WO/2004/103963 | PROCESS FOR PREPARING CAPROLACTAM BY BECKMANN REARRANGEMENT |
| WO/2002/044246 | MODIFIED POLYLACTAM |
| JPH0794428 | [Title of Invention] Method for producing ε-caprolactam |
Inventors:
Kazuaki Yoshimura
Watanabe Nobufumi
Kohei Seki
Masashi Teramori
Keisuke Tanaka
Watanabe Nobufumi
Kohei Seki
Masashi Teramori
Keisuke Tanaka
Application Number:
JP2018539654A
Publication Date:
April 28, 2021
Filing Date:
September 07, 2017
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
C07D201/04; B01J29/035; B01J29/40; C01B37/02; C01B39/36; C07D223/10
Domestic Patent References:
| JP2007533580A | ||||
| JP2001181260A | ||||
| JP62123167A | ||||
| JP2010527770A | ||||
| JP2013147356A | ||||
| JP2009190930A | ||||
| JP6256304A | ||||
| JP2009114219A |
Other References:
Jounral of the Japan Petroleum Institute,2004年,Vol.47, No.3,pp.190-196,[検索日 2020.12.17], インターネット:
Netsu Sokutei,1992年,Vol.19, No.2,pp.70-75,[検索日 2020.12.17], インターネット:
New Dev. Zeolite Sci. Technol.,1986年,Vol.28,pp.755-762
Netsu Sokutei,1992年,Vol.19, No.2,pp.70-75,[検索日 2020.12.17], インターネット:
New Dev. Zeolite Sci. Technol.,1986年,Vol.28,pp.755-762
Attorney, Agent or Firm:
Toru Nakayama
Toru Sakamoto
Toru Sakamoto