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:
Feb. 20, 2018
Filed:
Mar. 10, 2016
Applicant:
Wacker Chemie Ag, Munich, DE;
Inventors:
Benno Krueger, Burgkirchen, DE;
Wolfgang Doering, Mehring, DE;
Gerald Fleischmann, Bergausen, DE;
Hermann Petersen, Berghausen, DE;
Assignee:
Wacker Chemie AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 321/06 (2006.01); C07C 41/09 (2006.01); C07D 319/06 (2006.01); C07C 41/56 (2006.01);
U.S. Cl.
CPC ...
C07D 321/06 (2013.01); C07C 41/09 (2013.01); C07C 41/56 (2013.01); C07D 319/06 (2013.01);
Abstract
The invention relates to a process for preparing chloroacetaldehyde acetals of monohydric, dihydric or higher-functionality aliphatic alcohols, in which the chloroacetaldehyde acetal is obtained from an aqueous chloroacetaldehyde solution in the presence of the alcohol to be acetalized and an acid catalyst by azeotropic removal of water with the aid of a solvent, wherein the solvent is a halogenated solvent.