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Patent Searching and Data


Title:
EFFICIENT SEPARATION OF SEBACIC ACID FROM ALKALI PHENOLATE BY METHANOL EXTRACTION UPON REFLUX
Document Type and Number:
WIPO Patent Application WO/2015/007768
Kind Code:
A1
Abstract:
The invention pertains to a process for the recovery of alkali phenolate derivative from a solid mixture comprising the same, in admixture with alkaline salts of sebacic acid, said process comprising multiple methanol extraction steps, and to the use of such recovery technique in the manufacture of sebacic acid from castor oil/ricinoleic acid.

Inventors:
RAZDAN UDAY (IN)
CHARATI SANJAY GURBASAPPA (IN)
MANDAL MONALI (IN)
SAHASRABUDHE NAMRATA (IN)
Application Number:
PCT/EP2014/065225
Publication Date:
January 22, 2015
Filing Date:
July 16, 2014
Export Citation:
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Assignee:
SOLVAY (BE)
International Classes:
C07C51/47; C07C55/20
Domestic Patent References:
WO1998035925A11998-08-20
Foreign References:
GB675434A1952-07-09
Other References:
WANG WEN-JU ET AL: "Research on the recovery of phenol and alkali in the products of castor oil cracking", DONG BEI SHI DA XUE BAO = JOURNAL OF NORTHEAST NORMAL UNIVERSITY, CHINA, vol. 43, no. 1, 1 March 2011 (2011-03-01), pages 97 - 100, XP009180891, ISSN: 1000-1832
HONG JIANG ET AL.: "Studies on the extraction of phenol in wastewater", JOURNAL OF HAZARDOUS MATERIALS, vol. B101, 29 May 2003 (2003-05-29), pages 179 - 190, XP002731510
Attorney, Agent or Firm:
BENVENUTI, Federica et al. (Rue de Ransbeek 310, Bruxelles, BE)
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