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:
Jun. 23, 1981
Filed:
Nov. 16, 1979
Applicant:
Inventors:
Wolfgang Giede, Hilden, DE;
Horst Rutzen, Langenfeld, DE;
Assignee:
Henkel Kommanditgesellschaft auf Aktien, Dusseldorf-Holthausen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564288 ;
Abstract
Quaternary ammonium halides in powder or granular form are prepared by reacting tertiary amines and excess alkyl halides in the absence of solvent at elevated temperature and pressure and conducting the hot, pressurized reaction mixture into an area under lower pressure where the excess alkyl halides vaporize and the quaternary ammonium halides are recovered in powder or granular form.