TRIAZOLOSTILBENEOXADIAZOLE COMPOUNDS, PROCESS FOR THEIR MANUFACTURE AND THEIR USE AS OPTICAL BRIGHTENERS

摘要

of the disclosure: Triazolyl stilbene compounds of the formula wherein A is a benzene or naphthalene ring optionally substituted by non-chromophoric c 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.