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. 06, 1982
Filed:
Jun. 25, 1980
Applicant:
Inventors:
Helmut Eckes, Eppstein, DE;
Rudiger Erckel, Eppstein, DE;
Thomas Martini, Bad Soden am Taunus, DE;
Gunter Rosch, Bad Soden am Taunus, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
542463 ; 542435 ; 25230122 ; 25230124 ;
Abstract
Triazolyl stilbene compounds of the formula ##STR1## wherein A is a benzene or naphthalene ring optionally substituted by non-chromophoric substituents and B is a substituted 1,2,4-oxdiazole (3) or 1,3,5-oxdiazole (2) group, as well as a procedure for their manufacture and their use as optical brighteners.