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:
Apr. 11, 1989
Filed:
Oct. 07, 1987
Applicant:
Inventors:
Wolfram Kissener, Bergisch Gladbach, DE;
Joachim Franke, Cologne, DE;
Helmut Fiege, Leverkusen, DE;
Karlfried Wedemeyer, Cologne, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564 55 ; 564 48 ; 564 50 ; 564 52 ; 564 53 ; 564 54 ;
Abstract
N,N-Diaryl-ureas of the formula