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:
May. 30, 1995
Filed:
Aug. 12, 1993
Applicant:
Inventors:
Norbert Doerpinghaus, Kriftel, DE;
Siegbert Rittner, Moeferlden-Walldorf, DE;
Assignee:
Hoechst AG, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
203-6 ; 203 14 ; 203 36 ; 203 37 ; 203 38 ; 203 72 ; 203 88 ; 203 89 ; 203 91 ; 554 70 ;
Abstract
The present invention relates to a process for purifying fatty acid amides, which contains the following process steps: