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:
Sep. 11, 2007
Filed:
Nov. 29, 2005
Applicants:
Andreas Boehm, München, DE;
Hermann Petersen, Burghausen, DE;
Juergen Stohrer, Pullach, DE;
Inventors:
Assignee:
Consortium fuer Elektrochemische Industrie GmbH, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 229/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a novel process for hydroxymethylating noncyclic α,α-dialkylcarboxylic acid derivatives with formaldehyde using amide bases at temperatures of from −40° C. up to the boiling point of the solvent or solvent mixture used.