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    Aqs. liq. prepns. of known reactive dyes - for dyeing cotton, wool, silk, etc. black, grey and yellow shades, obviating inconveniences of dry dyestuff prepns.
    1.
    发明专利
    Aqs. liq. prepns. of known reactive dyes - for dyeing cotton, wool, silk, etc. black, grey and yellow shades, obviating inconveniences of dry dyestuff prepns. 未知

    公开(公告)号：DE2454893A1

    公开(公告)日：1976-08-12

    申请号：DE2454893

    申请日：1974-11-20

    Applicant: HOECHST AG

    Inventor： OPITZ KONRAD DIPL CHEM DR ,  SCHLAEFER LUDWIG DIPL CHEM DR

    IPC: C09B67/24 ,  D06P3/10 ,  D06P3/66 ,  C09B67/00 ,  C09B62/44

    Abstract: Novel aq. liq. dyeing prepns. of reactive dyes contain (a) 5-35% of a dye (i) 311-carboxy-511-hydroxy-411-(41-(2-(beta-sulphatoethylsulphonyl)-- phenylcarbamoyl)benzene-azo)-111-(4111-sulphonatophenyl)-pyrazole- , (ii) 31-carboxy-51-hydroxy-41-(4-beta-sulphatoethylsulphonyl-benzene)a- zo-pyrazole, (iii) 51-hydroxy-31-methyl-41-(2-methoxy-5-methyl-4-beta-sulphatoethyls- ulphonylbenzene)azopyrazole, (iv) 11-amino-81-hydroxy-21,71-bis(4-beta-sulphatoethylsulphonylbenzen- eazo)-naphthalene-3,6-disulphonic acid, 51-hydroxy-31-methyl-11-(4-beta-sulphatoethylsulphonylphenyl)-41-- (1,3-sulphonatonaphthalene-2-azo)-pyrazole or (v) a copper complex of 11-hydroxy-21-(2-hydroxy-5-methoxy-4-beta-sulphatoethylbenzeneazo- )-71-(3-carboxy-5-hydroxy-1-(p-sulphatophenyl)pyrazole-4-azo)-nap- hthalene-3-sulphonic acid; and (b) 1-5% of buffer not chemically reactive with the reactive gp., the soln. being of pH 3-7. The compsn. is used for dyeing or printing polyamides natural or regenerated cellulose or mixts., black, grey and yellow shades; without disadvantages of the solid dye.

    6.
    发明专利
    未知

    公开(公告)号：DE2523659A1

    公开(公告)日：1976-12-02

    申请号：DE2523659

    申请日：1975-05-28

    Applicant: HOECHST AG

    Inventor： KRUSE HUBERT ING GRAD ,  OPITZ KONRAD DIPL CHEM DR

    IPC: C09B67/40 ,  C09B67/22 ,  C09B67/42 ,  D06P1/16 ,  C09B67/00 ,  D06P1/667

    Abstract: 1518434 Disperse dye compositions HOECHST AG 27 May 1976 [28 May 1975] 22080/76 Heading D1B Solid or liquid disperse dye preparations used in the pad-dyeing and printing of synthetic and semi-synthetic fibrous materials contain 5-60% by weight of one or more disperse dyes, 5 to 90% of a dispersing agent, 0-90% of a wetting agent, 0-60% of a grinding auxiliary 0-90% of water and 0.5 to 30% by weight (referred to the weight of the solid or liquid dyestuff preparation) of at least one organic phosphoric acid ester of formula: or of formula: in which n is 2 or 3 m is 0 or an integer 1 to 10 and R is an alkyl radical having 8 to 20 carbon atoms or a mixture of phosphoric acid esters of the above two formulae. The preparations may be obtained by adding the esters to the other ingredients before, during or after fine division thereof. These preparations have improved safety and higher dyeing yield. -

    9.
    发明专利
    未知

    公开(公告)号：DE3021712A1

    公开(公告)日：1982-01-07

    申请号：DE3021712

    申请日：1980-06-10

    Applicant: HOECHST AG

    Inventor： SCHNEIDER MANFRED ,  KRUSE HUBERT ,  OPITZ KONRAD DIPL CHEM DR

    IPC: C09B67/40 ,  C09B67/28 ,  C09B67/38 ,  C09B67/46 ,  D06P1/613 ,  C09B67/10

    Abstract: Water-soluble compounds of the formula wherein A is an aryl radical, X represents identical or different groups of the formula -CH2-CH2- and -CH2-CH(CH3)-, R-CO- denotes identical or different radicals of a carboxylic acid having up to 22 C atoms, n represents identical or different numbers from 8 to 150, p is a number from 1 to 10 and m represents 0 up to (p-0.5), are suitable for the preparation of colorants, particularly disperse dyestuffs or vat dyestuffs.

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