Vat dyes
    49.
    发明授权
    Vat dyes 失效
    增值税DYES

    公开(公告)号:US3741994A

    公开(公告)日:1973-06-26

    申请号:US3741994D

    申请日:1970-04-07

    IPC分类号: C09B5/40 C09B15/00

    CPC分类号: C09B5/40

    摘要: New brown vat dyes prepared by heating a compound of the formula

    IN A MELT COMPRISING ANHYDROUS ALUMINUM CHLORIDE AND UREA, PYRIDINE, PICOLINE OR LUTIDINE OR A COMBINATION THEREOF, IF DESIRED, IN THE PRESENCE OF A HALOGENATING AGENT. Said dyes are suitable for dyeing various kinds of fibrous material, but as they can not be directly defined by a structural formula, they are defined by the process for preparing them.

    摘要翻译: 通过加热包含无机氯化铝和尿素,吡啶,吡啶或马来酸或其组合的式I化合物的化合物制备的新的褐色染料染料,如果在存在的情况下要求的话。 所述染料适用于各种纤维材料的染色,但由于它们不能直接由结构式定义,所以它们由制备它们的方法定义。

    Dibenzathrone type vat dyes
    50.
    发明授权
    Dibenzathrone type vat dyes 失效
    DIBENZATHRONE型增值税

    公开(公告)号:US3585202A

    公开(公告)日:1971-06-15

    申请号:US3585202D

    申请日:1967-12-29

    申请人: GAF CORP

    发明人: STEIN CHARLES W C

    IPC分类号: C09B1/32 C09B5/40 C07D37/00

    CPC分类号: C09B1/325 C09B5/40

    摘要: AN OLIVE DRAB VAT DYESTUFF OF RELATIVELY LOW INFRA-RED REFLECTANCE HAVING THE FORMULA:

    3-(ANTHRAQUINON-1-YL-N(-R)-),16-R-ANTHRA(2,1,9-MNA)NAPHTH-

    (2,3-H)ACRIDENE-5,10,15-TRIONE

    WHEREIN R IS ALKYL OR CYCLOALKYL OF 1-6 CARBON ATOMS.