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:
Feb. 27, 2001
Filed:
May. 17, 1999
Applicant:
Inventors:
Thomas Weihrauch, Duelman, DE;
Klaus Behrendt, Herne, DE;
Silvia Herda, Herne, DE;
Rainer Elm, Marl, DE;
Assignee:
Creanova Spezialchemie GmbH, Marl, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
C07C / ;
Abstract
Process for the continuous preparation of hydroxyalkylamides Process for the continuous preparation of hydroxyalkylamides from carboxylic esters and alkanolamines, wherein the reaction of the starting materials is carried out in an extruder or intensive mixer by intensive mixing and brief reaction with supply of heat and simultaneous removal of the alcohol formed and the final product is then isolated.