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:
Sep. 15, 1998
Filed:
Aug. 28, 1996
Applicant:
Inventors:
Recai Sezi, Roettenbach, DE;
Hellmut Ahne, Roettenbach, DE;
Eberhard Kuehn, Hemhofen, DE;
Roland Gestigkeit, Nuremberg, DE;
Assignee:
Siemens Aktiengesellschaft, Munchen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
528310 ; 528170 ; 528176 ; 528184 ; 528207 ; 528208 ; 528312 ; 528314 ; 528322 ; 528332 ; 528336 ; 528377 ;
Abstract
In a process for the preparation of poly-o-hydroxyamides and poly-o-mercaptoamides, a bis-o-aminophenol or a bis-o-aminothiophenol is reacted with a dicarboxylic acid derivative with the following structure:
Sezi, Recai. (1998). Preparation of poly-o-hydroxyamides and poly o-mercaptoamides (U.S. Patent No. 5807969). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5807969
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile