Method for dyeing fibrous materials made of or containing wool
申请人:Ciba-Geigy Corporation
公开号:US05356442A1
公开(公告)日:1994-10-18
A method is described for dyeing fibrous materials made of or containing wool with anionic dyes, which comprises dyeing these materials in the presence of a wool preservative comprising at least one compound of the formula R--CH.sub.2 --CH(OH)--CH.sub.2 --Y (I), where the variables are as defined in the claims. Rub-fast level dyeings are obtainable without deterioration in the quality of the wool.
Process for producing dichloroacetoxypropane and derivatives thereof
申请人:Showa Denko K.K.
公开号:US06118030A1
公开(公告)日:2000-09-12
A process for producing dichloroacetoxypropane comprising reacting allyl acetate with chlorine in a gaseous phase in the presence of a catalyst. The dichloroacetoxypropane obtained may be converted to dichloropropanol and epichlorohydrin.