Method for washing oily soil from objects
    6.
    发明授权
    Method for washing oily soil from objects 失效
    从物体中清洗油性土壤的方法

    公开(公告)号:US5885366A

    公开(公告)日:1999-03-23

    申请号:US695691

    申请日:1996-08-12

    Applicant: Makoto Umino

    Inventor: Makoto Umino

    CPC classification number: C11D7/5018 C11D11/0058 C23G5/02803 H05K3/26

    Abstract: A washing method for removing oily soil from an object stained therewith by contacting the object with a non-flammable washing agent composition comprising 0.001 to 30 parts of a fluorine-free absorbent which can absorb and capture oily soil and not less than 70 parts of perfluorocarbon liquid to remove the soil from the object.

    Abstract translation: 一种用于通过使物体与不燃性洗涤剂组合物接触的方法除去油性污垢的洗涤方法,所述洗涤剂组合物包含0.001至30份可吸收和捕获油性土壤的不含氟吸收剂和不少于70份全氟化碳 液体从物体中去除土壤。

    Drycleaning compositions
    9.
    发明授权
    Drycleaning compositions 失效
    干燥组合物

    公开(公告)号:US3835036A

    公开(公告)日:1974-09-10

    申请号:US38119973

    申请日:1973-07-20

    Applicant: JACKSON H

    Inventor: JACKSON H

    CPC classification number: D06L1/04 D06L1/10

    Abstract: RESIDUAL MOISTURE AND SULFUR AND OTHER RESIDUAL REDUCING AGENT IMPURITIES CONTAINED IN DRYCLEANING SOLVENTS ARE REMOVED BY ADDING TO THE SOLVENTS AN UNSUBSTITUTED AROMATIC HYDROCARBON OR A HALOGEN OR ALKYL SUBSTITUTED AROMATIC HYDROCARBON DRIED CELLULOSIC MATERIAL ON WHICH HAS BEEN PRECIPITATED A FINE DEPOSIT OF LEAD DICHROMATE. THE SAME MATERIALS MAY ALSO BE ADDED TO PETROLEUM PRODUCTS IN ORDER TO REMOVE SULFUR IMPURITIES THEREFROM.

    Dry cleaning
    10.
    发明授权
    Dry cleaning 失效
    干洗

    公开(公告)号:US3807948A

    公开(公告)日:1974-04-30

    申请号:US23389272

    申请日:1972-03-13

    Inventor: MOORE W

    CPC classification number: D06F43/086

    Abstract: A method of dry cleaning of goods in which the majority of the solvent present in the goods at the conclusion of the actual cleaning is recovered by circulating air, by means of a fan, through the goods in a dry cleaning drum and through a watercooled condenser and a heating element, and then a small remaining amount of solvent is removed from the goods by a deodorizing operation, in which air is passed in a closed circuit through the goods in the dry cleaning drum and over a refrigerated surface on which the solvent is condensed.

    Abstract translation: 一种干洗方法,其中在实际清洁结束时存在于货物中的大部分溶剂的物品通过风扇循环通过干洗桶中的货物并通过水 - 冷却冷凝器和加热元件,然后通过除臭操作从商品中除去少量的溶剂,其中空气通过干燥滚筒中的货物在封闭回路中通过冷冻表面,在冷冻表面上 溶剂浓缩。

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