Semipermeable membranes of heterocyclic copolyamides
    3.
    发明授权
    Semipermeable membranes of heterocyclic copolyamides 失效
    杂环共聚酰胺的半透膜

    公开(公告)号:US4221903A

    公开(公告)日:1980-09-09

    申请号:US927609

    申请日:1978-07-24

    IPC分类号: C08G69/00 B01D71/56 C08G69/32

    CPC分类号: B01D71/56 C08G69/32

    摘要: The invention relates to semipermeable membranes with a water absorption capacity of from 4.5 to 11% by weight, preferably from 4.5 to 8% by weight, as measured on approximately 40.mu. thick symmetrical films at room temperature and at 65% relative air humidity, a throughflow of 130 to 200 l/m.sup.2 d for a desalination level of 94.6 to 99.5% and consisting of an aromatic heterocycle-containing copolyamide with a relative viscosity of .gtoreq.1.4, as measured on a 0.5% N-methyl pyrrolidone solution at a temperature of 20.degree. C.

    摘要翻译: 本发明涉及在室温和65%相对空气湿度下在约40μm厚的对称膜上测量的吸水能力为4.5至11重量%,优选4.5至8重量%的半透膜, 通过流量为130至200升/平方米,脱盐水平为94.6至99.5%,并且由相对粘度>η= 1.4的含芳族杂环的共聚酰胺组成,在0.5%N-甲基吡咯烷酮溶液中在温度 20℃

    Process of using a semi-permeable membrane of acrylonitrile copolymers
    4.
    发明授权
    Process of using a semi-permeable membrane of acrylonitrile copolymers 失效
    使用丙烯腈共聚物半透膜的方法

    公开(公告)号:US4252652A

    公开(公告)日:1981-02-24

    申请号:US74822

    申请日:1979-09-12

    CPC分类号: C08F220/44 B01D71/42

    摘要: A disulphimide group-containing acrylonitrile copolymer semi-permeable membrane which comprises:(A) from 99 to 50% by weight of acrylonitrile units;(B) from 1 to 50% by weight of units of an acrylonitrile-copolymerizable ethylenically unsaturated monomer containing one or two disulphimide groups; and(C) from 0 to 30% by weight of units of one or more other acrylonitrile-copolymerizable olefinically unsaturated monomer, the sum of the percentages amounts to 100.The semi-permeable membranes may be used in reverse osmosis and ultrafiltration.

    摘要翻译: 一种含二酰亚胺基的丙烯腈共聚物半透膜,其包含:(A)99至50重量%的丙烯腈单元; (B)1至50重量%的含有一个或两个二硫酰亚胺基团的丙烯腈可共聚的烯键式不饱和单体单元; 和(C)0至30重量%的一种或多种其它丙烯腈可共聚的烯属不饱和单体的单元,百分比总和为100.半透膜可用于反渗透和超滤。

    Semipermeable membranes of copolyamides
    5.
    发明授权
    Semipermeable membranes of copolyamides 失效
    共聚酰胺的半透膜

    公开(公告)号:US4217227A

    公开(公告)日:1980-08-12

    申请号:US920271

    申请日:1978-06-29

    CPC分类号: C08G69/46 B01D71/56 C08G69/38

    摘要: The invention relates to semipermeable membranes with a water absorption capacity of from 4.5 to 10% by weight preferably from 4.5 to 8% by weight as measured on approximately 40.mu. thick symmetrical films at room temperature and 65% relative air humidity, with a throughflow of at least 80 1/m.sup.2 d for a desalination level of at least 85% and consisting of a fully aromatic copolyamide with a relative viscosity of .gtoreq.1,4, as measured on a 0.5% N-methyl pyrrolidone solution at a temperature of 20.degree. C.

    摘要翻译: 本发明涉及在室温和65%相对空气湿度下在约40μm厚的对称膜上测量的吸水能力为4.5至10重量%,优选4.5至8重量%的半透膜,其中通孔为 对于至少85%的脱盐水平,至少80l / m 2d,并且由在0.5%N-甲基吡咯烷酮溶液中在20℃温度下测量的相对粘度> = = 1,4的全芳族共聚酰胺组成 DEG C.

    Agents having a tumor-inhibiting action and their use
    8.
    发明授权
    Agents having a tumor-inhibiting action and their use 失效
    具有肿瘤抑制作用的药剂及其用途

    公开(公告)号:US4440892A

    公开(公告)日:1984-04-03

    申请号:US277473

    申请日:1981-06-25

    CPC分类号: A61K31/765

    摘要: The invention relates to pharmaceutical compositions containing, as an active ingredient, a water-soluble polyester or polycarbonate based on one or more polyetherglycols of Formula (I) as defined in the specification. Also included in the invention is the use of said compositions for their tumor-inhibiting action.

    摘要翻译: 本发明涉及药物组合物,其含有基于一种或多种本发明说明书中定义的式(I)的聚醚二醇作为活性成分的水溶性聚酯或聚碳酸酯。 本发明还包括所述组合物用于其肿瘤抑制作用的用途。