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:
Nov. 06, 1990
Filed:
Jul. 13, 1989
Applicant:
Inventors:
Pal Agocs, Veszprem, HU;
Lajos Nagy, Fuzfogyartelep, HU;
Jeno Pelyva, Fuzfogyartelep, HU;
Laszlo Legradi, Fuzfogyartelep, HU;
Zoltan Kolonics, Balatonalmadi, HU;
Csaba Soptei, Veszprem, HU;
Assignee:
Nitrokemia Ipartelepek, Fuzfogyartelep, HU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562588 ;
Abstract
A process for preparing methoxyacetic acid by reacting monochloroacetic acid with sodium methylate, in a methanolic solvent at increased temperature. Methanol is distilled off and methoxyacetic acid methylester is added to the residue. The stirrable mixture is contacted with dry hydrochloric acid gas. The methoxyacetic acid methylester is distilled off after removing the precipitated sodium chloride, to recover the desired product.