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:
Dec. 25, 1984
Filed:
Oct. 18, 1983
Applicant:
Inventors:
Assignee:
Toyo Soda Manufacturing Co., Ltd., Shinnanyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
564508 ;
Abstract
A method for preparing bis[.beta.-(N,N-dimethylamino)ethyl]ether characterized by performing a one stage reaction at a temperature of below 100.degree. C. wherein vapor of sulfuric anhydride is being introduced into a mixed solution consisting of sodium N,N-dimethylaminoethoxide, N,N-dimethylethanolamine and dioxane.