C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
260/303, 8/52, 2
C09B 23/14 (2006.01) C07D 249/24 (2006.01) C09B 57/00 (2006.01) D06L 3/12 (2006.01)
Patent
CA 1138448
Abstract of the disclosure: Triazolyl stilbene compounds of the formula Image wherein A is a benzene or naphthalene ring optionally sub- stituted by non-chromophoric c substituents and B is a sub- stituted 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.
355003
Eckes Helmut
Erckel Rudiger
Martini Thomas
Rosch Gunter
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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