abstract |
PCT No. PCT/EP93/00459 Sec. 371 Date Sep. 12, 1994 Sec. 102(e) Date Sep. 12, 1994 PCT Filed Feb. 27, 1993 PCT Pub. No. WO93/17965 PCT Pub. Date Sep. 16, 1993Crystalline molecular sieves useful as colorants contain one or more chromophores of the class of the mono- or polyazo dyes that are devoid of acidic groups. |