| 摘要 |
1,240,020. Treating textiles. FARBENFABRIKEN BAYER A.G. 26 Nov., 1969 [29 Nov., 1968], No. 57883/69. Heading D1P. [Also in Division C2] Mixtures of stilbene derivatives of formula are used for the optical brightening of textiles, e.g. cotton. The stilbene derivatives may be used in conjunction with other textile finishing agents and are subsequently thermally fixed in the presence of acidic catalysts. |
