Borohydride-sulfite reducing agent for dyeing
    8.
    发明授权
    Borohydride-sulfite reducing agent for dyeing 失效
    用于染色的硼酸 - 硫酸钠还原剂

    公开(公告)号:US3592944A

    公开(公告)日:1971-07-13

    申请号:US3592944D

    申请日:1968-05-06

    Applicant: VENTRON CORP

    CPC classification number: D06P1/221

    Abstract: A METHOD FOR PRODUCING USEFUL SOLUTIONS FOR REDUCING DYES WITH THE AID OF BOROGHYRIDES IS CHARACTERIZED BY REACTING A SOLUTION OF ALKALI METAL BOROHYDRIDES WITH SOLUTIONS OF SODIUM SALTS OF SULFUR AND THEN REACTING THIS WITH ABOUT 1 MOL OF CH2O PER MOLE OF NA2S2O4, WHEREUPON THE SOLUTION IS MIXED WITH FURTHER BOROGYDRIDES.

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