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:
Mar. 16, 1993
Filed:
May. 09, 1991
Applicant:
Inventors:
Assignee:
Huels Aktiengesellschaft, Marl, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
554149 ; 554148 ; 564475 ;
Abstract
Alkoxidation products are prepared from amines, fatty acids and oils, which are low in alkylene oxides and 1,4-dioxane by reacting an amine, fatty acid, ester or oil with an alkylene oxide in the presence of a catalyst of an alkali fatty alkoxide obtained by reaction of an alkali hydroxide with a fatty alcohol at elevated temperature.
Schroer, Egbert. (1993). Method of manufacturing nonionic surfactants low in alkylene oxides and (U.S. Patent No. 5194641). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5194641
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile