| abstract |
PROCEDURE FOR THE PREPARATION OF BIS-STYRIL-BENZENE OF FORMULA: *FORMULA* AND ITS ALKALINE, ALKALINE-EARTH, AMMONIUM AND AMMONIUM SALTS. IT IS CHARACTERIZED BY REACTING 1 MOL OF THE COMPOUND: *FORMULA* IN WHICH Z CAN BE DIFFERENT RADICALS, WITH 2 MOLES OF THE COMPOUND OF FORMULA: *FORMULA* OR ONE OF ITS ALKALINE, AMMONIUM OR AMMONIUM SALTS. THIS COMPOUND IS USED FOR THE OPTICAL CLARIFICATION OF SYNTHETIC, SEMISYNTHETIC OR NATURAL ORGANIC MATERIALS. |