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    Retention capacity of cigarette filters
    1.
    发明授权
    Retention capacity of cigarette filters 失效
    香烟过滤器的保留能力

    公开(公告)号：US3878854A

    公开(公告)日：1975-04-22

    申请号：US36558773

    申请日：1973-05-31

    Applicant: RHODIACETA AG

    Inventor： ALBEIN KLAUS ,  IMBERY DIETER ,  OESTERLE HANSPETER

    IPC: A24D3/00 ,  A24D3/16 ,  C01F7/02 ,  A24F7/04

    CPC classification number: A24D3/16

    Abstract: Novel filters for cigarettes with improved retention capacity for nicotine, tars and other substances present in tobacco smoke, are prepared by incorporating into the filters aluminum oxide trihydrate hydrargillite which is more than 80% crystalline, with monoclinicpseudo hexagonal platelet structure.

    Abstract translation: 用于尼古丁，焦油和烟草烟雾中存在的其他物质的保留能力提高的香烟的新型过滤器通过将过氧化铝三水合物水镁石纳入到具有单斜晶六角形血小板结构的80％以上的氧化铝水合物中来制备。

    Apparatus and process for tangling fibers and filaments
    7.
    发明授权
    Apparatus and process for tangling fibers and filaments 失效
    用于缠绕纤维和纤维的装置和方法

    公开(公告)号：US3636694A

    公开(公告)日：1972-01-25

    申请号：US3636694D

    申请日：1969-05-15

    Applicant: RHODIACETA AG

    Inventor： PFUNDER WILHELM ,  SCHMIDT GUNTER

    IPC: D02J1/00 ,  D02G1/16

    CPC classification number: D02G1/16

    Abstract: A loose bundle of fibers is passed through a new nozzle, characterized by a conduit provided with at least two slots and means for directing a fluid, for instance air, tangentially to the conduit for the fibers. Part of the fibers becomes transversely arranged over the remainder of the fibers giving a strong wound-up unit, which cannot be spread apart. Fixed points at regular intervals are obtained.

    Process of surface saponifying cellulose-2 1/2-acetate,and fabric made therefrom
    8.
    发明授权
    Process of surface saponifying cellulose-2 1/2-acetate,and fabric made therefrom 失效
    表面皂化纤维素-2 1 / 2-乙酸酯的表面处理及其制造方法

    公开(公告)号：US3595605A

    公开(公告)日：1971-07-27

    申请号：US66429167

    申请日：1967-08-30

    Applicant: RHODIACETA AG

    Inventor： KIMMIG EMIL

    IPC: D06M11/38 ,  D06M1/06

    CPC classification number: D06M11/385 ,  Y10S8/921

    Abstract: CELLULOSE-2 1/2-ACETATE TEXTILE OR KNITTED FABRICS ARE MADE BY WETTING THE RAW MATERIALS; TREATING THEM AT ROOM TEMPERATURE AT A BATH RATIO OF BETWEEN 1:3 TO 1:10 IN A LYE SOLUTION WITH SLOWLY RINSING ALKALI CONENT WHICH IS FIRST RAISED UP TO ONLY 2% OF THE MATERIAL WEIGHT INTRODUCED. THE LYE SOLUTION IS THEN HEATED TO 80-100*C.; TREATING THE PRODUCT AGAIN IN A LYE SOLUTION WITH THE ALKALI CONTENT BEING SLOWLY INCREASED TO 4-5% OF THE INTRODUCED RAW MATERIAL WEIGHT, SO THAT THE SAPONIFICATION IS ONLY ON THE SURFACE.

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