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:
Jan. 17, 1984
Filed:
Jan. 15, 1982
Applicant:
Inventors:
Hans Wissmann, Bad Soden am Taunus, DE;
Hans-Jerg Kleiner, Kronberg, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07F / ; C09F / ;
U.S. Cl.
CPC ...
2601 / ; 2605 / ; 564140 ; 260404 ; 564138 ; 564139 ; 564141 ;
Abstract
To prepare compounds containing carboxylic acid amide groups, in particular peptides, there are reacted compounds containing a carboxy group, in the presence of dialkylphosphinic acid anhydrides with compounds containing a free amino group.