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:
Apr. 01, 2008
Filed:
Jan. 21, 2003
Matthias Maase, Speyer, DE;
Klemens Massonne, Bad Duerkheim, DE;
Klaus Halbritter, Heidelberg, DE;
Ralf Noe, Mannheim, DE;
Michael Bartsch, Neustadt, DE;
Wolfgang Siegel, Limburgerhof, DE;
Veit Stegmann, Mannheim, DE;
Miguel Flores, Mannheim, DE;
Oliver Huttenloch, Neulussheim, DE;
Michael Becker, Ludwigshafen, DE;
Matthias Maase, Speyer, DE;
Klemens Massonne, Bad Duerkheim, DE;
Klaus Halbritter, Heidelberg, DE;
Ralf Noe, Mannheim, DE;
Michael Bartsch, Neustadt, DE;
Wolfgang Siegel, Limburgerhof, DE;
Veit Stegmann, Mannheim, DE;
Miguel Flores, Mannheim, DE;
Oliver Huttenloch, Neulussheim, DE;
Michael Becker, Ludwigshafen, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
A process for removing acids from reaction mixtures using an auxiliary base, in which the auxiliary base: combines with the acid to form a salt which is liquid at temperatures at which the product of value does not significantly decompose during the removal of the liquid salt, and the salt of the auxiliary base with the product of value or the solution of the product of value in a suitable solvent forms two immiscible liquid phases.