1.
    发明专利
    未知

    公开(公告)号:DE1794132A1

    公开(公告)日:1971-10-07

    申请号:DE1794132

    申请日:1968-09-12

    Applicant: BASF AG

    Abstract: 1,272,114. Dye solutions. BADISCHE ANILIN- & SODA-FABRIK A.G. 11 Sept., 1969 [12 Sept., 1968], No. 44825/69. Heading D1B. [Also in Division C3] The invention comprises concentrated solutions of dyes of formula I in which R is an optionally substituted alkylene, cycloalklene or arylene radical and X is a hydrogen atom or a radical of formula II dissolved in an organic oxygen-containing solvent miscible with water in all proportions. Solvents suitable for preparing the solutions are alcohols and their esters and ethers, ethanolamines, and open-chain or cyclic carboxamides or mixtures thereof. In particular ethylene glycol, tri-ethylene glycol, di-ethylene glycol, 1, 2-propylene glycol, ethylene glycol mono-n-butyl ether, ethylene glycol monomethyl ether, diethylene glycol mono-n-butyl ether, diethylene glycol monomethyl ether, triethylene glycol mono-n-butyl-ether, glycol monoacetate, glycerol, glycol aldehyde, glycolic acid, ethylene carbonate, propylene carbonate, butyrol-acetone, pyrrolidone-2, N-methylpyrrolidone, dimethylformamide, tetrahydrofurane, dioxane and dimethyl sulphoxide are specified.

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