Title:
共役ジエンを含有する炭化水素混合物の分離精製装置の詰まりを防止する方法。
Document Type and Number:
Japanese Patent JP4238948
Kind Code:
B2
Abstract:
An Anti-gelling agent for a hydrocarbon mixture containing a conjugated diene, which comprises (a) at least one compound selected from the group consisting of compounds having an NO radical in the molecule, and precursor compounds capable of forming an NO radical, (b) a phosphorus-containing compound, and (c) at least one compound selected from the group consisting of heterocyclic aldehydes, aromatic aldehydes and condensates of these aldehydes. Clogging in an apparatus for separating and refining a hydrocarbon mixture containing a conjugated diene can be prevented by adding the anti-gelling agent in the apparatus.
Inventors:
Keizo Ukita
Application Number:
JP10081499A
Publication Date:
March 18, 2009
Filing Date:
April 08, 1999
Export Citation:
Assignee:
Zeon Corporation
International Classes:
C07C7/20; C07C11/12; C07C11/20; C07C239/08; C07F9/02; C08F2/40; C09K3/00; C10G7/00; C10G9/16; C10G75/04; C10L1/02; C10L1/04
Domestic Patent References:
JP10251663A | ||||
JP49006886B1 |
Foreign References:
WO1999044972A1 | ||||
EP0271998A1 |