The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 02, 1986
Filed:
Oct. 02, 1985
Applicant:
Inventors:
Bernhard Wojtech, Bad Soden am Taunus, DE;
Manfred Mayer, Niedernhausen, DE;
Karl-Erich Ott, Hamburg, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568757 ; 568749 ;
Abstract
The invention relates to a process for extracting phenols from aqueous solutions. The extractant used is a salt of an aliphatic amine, having a total carbon number of at least 10, and a strong acid.