POLYURETHANE UREA FOR STENT COATINGS
    1.
    发明申请
    POLYURETHANE UREA FOR STENT COATINGS 审中-公开
    用于固体涂料的聚氨酯尿素

    公开(公告)号:US20120263778A1

    公开(公告)日:2012-10-18

    申请号:US13516440

    申请日:2010-12-10

    摘要: The invention relates to a polyurethane urea comprising structural units of formula (I), not terminated by at least one copolymer unit of polyethylene oxide and polypropylene oxide, and that can particularly be used for producing stent coatings. The invention further relates to a substrate having a base coating made of a polyurethane urea according to the invention. The invention further relates to a coating structure comprising at least one layer comprising active substances and made of a polyurethane urea according to the invention, and at least one layer free of active substances, made of a polyurethane urea according to the invention. The invention finally relates to a method for coating a substrate, wherein at least one layer made of a polyurethane urea according to the invention is applied to the substrate.

    摘要翻译: 本发明涉及包含式(I)结构单元的聚氨酯脲,其不被聚环氧乙烷和聚环氧丙烷的至少一种共聚物单元封端,并且特别可用于制备支架涂层。 本发明还涉及一种具有根据本发明的由聚氨酯脲制成的基底涂层的基底。 本发明还涉及一种涂层结构,其包括至少一层包含活性物质并由根据本发明的聚氨酯脲制成的层和至少一层不含活性物质的层,该层由本发明的聚氨酯脲制成。 本发明最终涉及用于涂布基材的方法,其中根据本发明的由聚氨酯脲制成的至少一层施加到基材上。

    Method of dimerizing isophorone diisocyanate
    6.
    发明授权
    Method of dimerizing isophorone diisocyanate 失效
    二异氰酸异佛尔酮二异氰酸酯的方法

    公开(公告)号:US06797800B2

    公开(公告)日:2004-09-28

    申请号:US10144608

    申请日:2002-05-13

    IPC分类号: C08G1874

    CPC分类号: C08G18/798 C08G18/027

    摘要: The invention relates to a method of preparing a polyisocyanate with at least one uretdione group by oligomerizing part of the isocyanate groups of isophorone diisocyanate in the presence of a catalyst which accelerates the dimerization of isocyanate groups, wherein the oligomerization catalyst comprises a saline compound comprising from 10 to 100 wt. % of 1,2,3- and/or 1,2,4-triazolate structures (calculated as C2N3; molecular weight=66) in the anion, and the products prepared by this method.

    摘要翻译: 本发明涉及一种通过在促进异氰酸酯基团二聚化的催化剂存在下使异佛尔酮二异氰酸酯的一部分异氰酸酯基团低聚来制备具有至少一个脲二酮基团的多异氰酸酯的方法,其中该低聚催化剂包括含有 10〜100重量% 阴离子中1,2,3-和/或1,2,4-三唑酸酯结构的%(以C2N3计算;分子量= 66),以及通过该方法制备的产物。

    METHOD FOR PRODUCING A COATED CELL CULTURE CARRIER
    9.
    发明申请
    METHOD FOR PRODUCING A COATED CELL CULTURE CARRIER 审中-公开
    生产涂层细胞培养载体的方法

    公开(公告)号:US20120129259A1

    公开(公告)日:2012-05-24

    申请号:US13321844

    申请日:2010-05-18

    摘要: The present invention relates to a method for producing a coated cell culture carrier, wherein a solution comprising a polyurethane urea is applied to a cell carrier and dried. The polyurethane urea is produced beforehand by converting at least one polycarbonate polyol component, at least one polyisocyanate component, and at least one diamino component. The invention further relates to a cell culture carrier obtained according to the method and the use thereof for in-vitro cultivation of stem cells, particularly for cultivating mesenchymal stem cells.

    摘要翻译: 本发明涉及一种生产包被的细胞培养载体的方法,其中将包含聚氨酯脲的溶液施加到细胞载体上并干燥。 通过转化至少一种聚碳酸酯多元醇组分,至少一种多异氰酸酯组分和至少一种二氨基组分,预先制备聚氨酯脲。 本发明还涉及根据该方法获得的细胞培养载体及其用于体外培养干细胞的用途,特别是培养间充质干细胞。