C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/152
C07D 213/77 (2006.01)
Patent
CA 1171850
HOE 81/F 191 - 1 - Abstract of the disclosure: 1,3-Diaryl triazenes are prepared by reacting gaseous alkyl nitrites with primary aromatic monoamines in a liquid phase containing preferably a polar protic solvent, in the presence of a small quantity of an acid. The reaction products are partially final products, for example suitable for use as foamers in the plastics manufacture, partially intermediates suitable for use in various fields, for example the fields of polymers, dyestuffs and pharmaceuticals.
408799
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
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