会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明授权
    • Aromatic chromophoric substituted polysiloxane dyes
    • 芳香色发色取代聚硅氧烷染料
    • US4381260A
    • 1983-04-26
    • US284388
    • 1981-07-17
    • Nan S. ChuLawrence Marlin
    • Nan S. ChuLawrence Marlin
    • C09B5/14C09B69/00C09B69/10C09B5/42A23L1/27A61K47/00C09B39/00
    • C09B69/008C09B5/14C09B69/10
    • Polymeric dyes of the present invention have the formula: ##STR1## wherein Me represents the methyl group, x can range from 2 to 100, y can range from 20 to 300, and the ratio of x:y is at least 1:10 and is preferably from 1:5 to 1:1. The symbol L represents the divalent group which connects the chromophoric moiety and the polysiloxane moiety together by covalent bonds. L is conveniently a saturated divalent aliphatic group which connects the silicon atom to the chromophoric group by a non-hydrolyzable covalent bond. Chromo represents an aromatic chromophore which imparts color to the polymer molecule. The polmeric dyes of the present invention can be used to dye natural fibers such as silk, wool, and cotton and to color plastics such as nylon, Dynel, Acrilan, acetate, and viscore. In addition, the polymeric dyes can also be used as a food dye when water soluble groups are present (e.g., on the chromophores) to impart water solubility to the polymeric dye. Because of the stability and the high molecular weight of these polymeric dyes, they can be used as colorants for food as well as in pharmaceutical and cosmetic applications.
    • 本发明的聚合染料具有下式:其中Me表示甲基,x可以在2至100的范围内,y可以在20至300的范围内,x:y的比例至少为1:10, 优选为1:5〜1:1。 符号L表示通过共价键将发色部分和聚硅氧烷部分连接在一起的二价基团。 L方便地是通过不可水解的共价键将硅原子与发色基团连接的饱和二价脂族基团。 色度表示赋予聚合物分子颜色的芳族发色团。 本发明的聚酰胺染料可以用于染色天然纤维如丝,羊毛和棉花,并且可以使塑料如尼龙,Dynel,Acrilan,醋酸酯和粘胶染色。 此外,当存在水溶性基团(例如在发色团上)时,聚合染料也可以用作食品染料,以赋予聚合染料水溶性。 由于这些聚合染料的稳定性和高分子量,它们可以用作食品以及制药和化妆品应用中的着色剂。
    • 8. 发明授权
    • Medical device with lubricious coating
    • 带有光滑涂层的医疗器械
    • US5509899A
    • 1996-04-23
    • US310730
    • 1994-09-22
    • You-Ling FanLawrence MarlinRonald A. SahatjianSteven A. Schultz
    • You-Ling FanLawrence MarlinRonald A. SahatjianSteven A. Schultz
    • A61L29/00A61L29/06A61L29/08A61L33/00A61M25/00A61M29/02A61M29/00
    • A61M25/0045A61L29/06A61L29/085A61M25/104
    • A medical balloon and catheter in which the balloon (14) is wrapped and folded upon itself tortuously and tightly so outer surfaces (12) contact each other for insertion into the body and in which the balloon is free of bridging and adhesion between abutting surfaces. The balloon has a base of a continuous polymeric surface (10) expandable from a folded, wrapped configuration with surfaces touching each other into a balloon when inflated. A lubricious, biocompatible, hydrogel coating (11) is disposed on the polymeric surface and a thin, lubricious, blood-compatible coating (12) is disposed upon the hydrogel coating and adheres to it to prevent abutting surfaces of the folded polymeric surfaces from adhering to each other during inflation and to prevent delamination of the hydrogel coating and/or rupture of the balloon. Preferably the blood-compatible coating (12) is polyethylene glycol, methoxy polyethylene glycol or mixtures thereof having a molecular weight between about 100 and 20,000 grams per gram mole.
    • 一种医用气囊和导管,其中气囊(14)被折叠地紧密地包裹并折叠,所以外表面(12)彼此接触以插入到身体中,并且气球在邻接表面之间没有桥接和粘附。 气囊具有可从折叠的包裹构造展开的连续聚合物表面(10)的基部,当膨胀时,表面彼此接触成一个气球。 光滑的生物相容的水凝胶涂层(11)设置在聚合物表面上,并且薄的,润滑的,与血液相容的涂层(12)设置在水凝胶涂层上并粘附到其上以防止折叠的聚合物表面的邻接表面粘附 并且防止水凝胶涂层分层和/或气囊破裂。 优选地,血液相容性涂层(12)是聚乙二醇,甲氧基聚乙二醇或其分子量为约100至20,000克/克摩尔的其混合物。