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. 24, 2007
Filed:
Mar. 04, 2005
Process for the solvent-free preparation of ethercarboxylic acids having a low residual salt content
Applicants:
Dirk Leinweber, Schwalbach, DE;
Uwe Dahlmann, Heidelberg, DE;
Rainer Kupfer, Hattersheim, DE;
Inventors:
Assignee:
Clariant Produkte (Deutschland) GmbH, Sulzbach, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F 11/04 (2006.01); C07C 59/125 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides a process for preparing compounds of the formula (1) where A is C- to C-alkylene, B is C- to C-alkylene, n is a number from 1 to 100, and R is C- to C-alkyl, C- to C-alkenyl, or C— to C-aryl, by