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Title:
【発明の名称】ジ-第三-ブチルクレゾ-ルの製造法
Document Type and Number:
Japanese Patent JPS5926609
Kind Code:
B2
Abstract:
A process for the continuous preparation of a ditertiary butylcresol wherein m- or p-cresol is reacted with isobutene at elevated temperature using H2SO4 as catalyst wherein the process is carried out stepwise by introducing stepwise into a reaction mixture comprising substantially all of the cresol to be reacted with isobutene. The total amount of isobutene introduced is introduced such that less isobutene is charged in a last stage of the process than in the first stage thereof. Thereafter the catalyst is deactivated.

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Inventors:
HERUMUUTO FUIIGE
YOZEFU HAIDON
YOHAN RENNAA
KAARUFURIITO BEDEMAIYAA
Application Number:
JP15350476A
Publication Date:
June 29, 1984
Filing Date:
December 22, 1976
Export Citation:
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Assignee:
BAYER AG
International Classes:
C07C27/00; C07C37/14; C07C39/06; C07C67/00; (IPC1-7): C07C39/06; C07C37/14
Attorney, Agent or Firm:
Heiyoshi Odashima



 
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