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    • 1. 发明授权
    • Media with germicidal properties
    • 具有杀菌性能的介质
    • US06994794B2
    • 2006-02-07
    • US10432557
    • 2001-11-27
    • Christopher B. HansenSamuel MasonMohan L. SandujaCarl HorowitzPaul ThottathilFelicia Dragnea
    • Christopher B. HansenSamuel MasonMohan L. SandujaCarl HorowitzPaul ThottathilFelicia Dragnea
    • C02F1/50
    • A61L2/16A61L2/022C02F1/004C02F1/288C02F1/50C02F2303/04
    • Filtration media having germicidal for use in filtering particles and deactivating, removing and/or destroying microorganisms from a feed liquid passing through the media. The filtration media includes an effective amount of at least one germicidal agent associated to monomers polmerized and chemically grafted and covalently bonded to the surface of the media. The germicidal filter media is prepared by contacting the media with a grafting solution comprising one or more monomers, a catalyst, a surface agent, a curign agent, at least one graft initiator, and at least on germicide and subsequently curing the media at an elevated temperature to chemically graft the polmerizable monomers onto a surface of the media and associate at least one germicide thereto. Filter media suitable for use in the present invention include ceramic spheroids, hollow glass spheres, polmeric type meida, thermoset coated glass spheres, and crystalline microporous materials, such as zeolites. The germicidal filter media is effective for deactivating, destroying and/or removing from a feed liquid, such as water, escherichia coli, salmonella choleraesuis, staphylococcus, aspergsillus, klebisiella, listeria, clostridium, rotavirus, cysts and other microorganisms. Moreover, the filter media can be used repeatedly without a significant decrease in its germicidal effectiveness.
    • 具有杀菌剂的过滤介质用于过滤颗粒并使通过介质的进料液体中的微生物失活,去除和/或破坏微生物。 过滤介质包括有效量的至少一种杀菌剂,其与聚合并化学接枝并共价键合到介质表面上的单体相关联。 通过使介质与包含一种或多种单体,催化剂,表面活性剂,固化剂,至少一种接枝引发剂和至少在杀菌剂上的接枝溶液接触来制备杀菌过滤介质,并随后在高架 温度以将可聚合单体化学接枝到介质的表面上并将至少一种杀菌剂与其结合。 适用于本发明的过滤介质包括陶瓷球体,中空玻璃球,聚偏氟乙烯泡沫,热固性涂层玻璃球和结晶微孔材料,例如沸石。 杀菌过滤介质对于进食液体如水,大肠杆菌,霍乱沙门氏菌,葡萄球菌,曲霉属,克雷伯氏菌,李斯特菌,梭状芽胞杆菌,轮状病毒,囊肿和其他微生物的去活化和/或去除是有效的。 此外,过滤介质可以重复使用,而不会显着降低其杀菌效果。
    • 2. 发明授权
    • Filter media with germicidal properties
    • 过滤介质具有杀菌特性
    • US06471876B1
    • 2002-10-29
    • US09722911
    • 2000-11-27
    • Christopher L. HansenSamuel MasonMohan L. SandujaCarl HorowitzFelicia DragneaPaul Thottathil
    • Christopher L. HansenSamuel MasonMohan L. SandujaCarl HorowitzFelicia DragneaPaul Thottathil
    • C02F150
    • B01D39/04B01D39/06B01D2201/088C02F1/001C02F1/50
    • Filtration media having germicidal properties for use in filtering particles and deactivating, removing and/or destroying microorganisms from a feed liquid passing therethrough. The filtration media includes an effective amount of a germicidal chemically grafted and covalently bonded to a surface of the media. The germicidal grafted filter media is prepared by contacting the media with a grafting solution comprising an anionic monomer, a catalyst, a graft initiator and a germicide and subsequently curing tile media at an elevated temperature to chemically graft a polymerized salt of the polymerizable anionic monomer and the cationic germicide onto a surface of the media. Filter media suitable for use in the present invention include ceramic spheroids, hollow glass spheres, polymeric type media and thermoset coated glass spheres. The germicidal grafted filter media is effective for deactivating, destroying and/or removing from a feed liquid, such as water, escherichia coli, salmonella choleraesuis, staphylococcus, aspergsillus, klebisiella, listeria clostridium, rotavirus, cysts and other microorganisms. Moreover, the filter media can be used repeatedly without a decrease in its germicidal effectiveness.
    • 具有杀菌特性的过滤介质,用于过滤颗粒,并从通过其中的进料液体中去除和/或破坏微生物。 过滤介质包括有效量的化学接枝并共价键合到介质表面的杀菌剂。 通过使介质与包含阴离子单体,催化剂,接枝引发剂和杀菌剂的接枝溶液接触并随后在升高的温度下固化瓦片介质以化学接枝聚合的阴离子单体的聚合盐和 阳离子杀菌剂在介质表面上。 适用于本发明的过滤介质包括陶瓷球体,中空玻璃球,聚合型介质和热固性涂层玻璃球。 杀菌接枝的过滤介质对于从进料液体如水,大肠杆菌,霍乱沙门氏菌,葡萄球菌,曲霉,克耳巴氏杆菌,梭菌,轮状病毒,囊肿和其它微生物中的去活化和/或去除是有效的。 此外,过滤介质可以重复使用,而不会降低其杀菌效果。
    • 5. 发明授权
    • Protective coating on steel parts
    • 钢件上的保护涂层
    • US06726960B1
    • 2004-04-27
    • US08919448
    • 1997-08-28
    • Mohan L. SandujaCarl HorowitzElla MayslichPaul Thottathil
    • Mohan L. SandujaCarl HorowitzElla MayslichPaul Thottathil
    • B66C32687
    • B05D7/14Y10T428/31663Y10T428/31692
    • This invention relates to the coating of steel parts with organic polymeric materials for resistance to corrosion, abrasion, impact, salt solutions of high and low pH (both in liquid as well as vapor state) and corrosive atmospheric gases under the environment of high relative humidity and ambient conditions of temperature and pressure. To obtain secure and permanent adhesion of the coating on the steel article a polymeric coating is formulated so as to achieve chemical grafting to the steel face. This involves the use of monomers, prepolymers, catalyst and a graft initiator system. The monomers are preferably polyfunctional and when applied onto a metallic substrate, react via graft polymerization with the metal to form a polymerized layer coated onto the surface of the steel substrate. The monomers and prepolymers are so selected that when polymerized onto steel the coating has substantially zero moisture vapor-gas transmission rate and consequently acts as a barrier to moisture, oxygen and other gases from coming in contact with the surface of the steel substrate thereby improving the protective potential of the coating. Fillers may be included in the coating material to enhance physical or wear characteristics. Other components that can be added are slip agents, wetting agents, thixotropic promoters and adhesion promoters. This coating process is particularly advantageous for use with steel parts used in the manufacture of cranes
    • 本发明涉及在高相对湿度环境下耐腐蚀,耐磨,冲击,耐高低pH值(液体以及蒸汽状态)和腐蚀性大气中的有机聚合材料的钢部件的涂覆 和环境温度和压力条件。 为了获得涂层对钢制品的牢固和永久的粘合,配制聚合物涂层,以实现对钢表面的化学接枝。 这包括使用单体,预聚物,催化剂和接枝引发剂体系。 单体优选是多官能的,并且当施加到金属基材上时,通过接枝聚合与金属反应以形成涂覆在钢基材表面上的聚合层。 单体和预聚物是这样选择的:当聚合到钢上时,涂层具有基本上为零的水蒸汽 - 气体传输速率,并且因此用作阻止水分,氧气和其它气体与钢基材表面的接触,从而改善了 涂层的保护电位。 填料可以包括在涂料中以增强物理或磨损特性。 可以添加的其他组分是滑爽剂,润湿剂,触变促进剂和粘合促进剂。 该涂覆方法对于用于制造起重机的钢部件是特别有利的