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    • 2. 发明授权
    • Carbamate functional addition polymers and a method for their preparation
    • 氨基甲酸酯官能加成聚合物及其制备方法
    • US07138463B2
    • 2006-11-21
    • US11004090
    • 2004-12-03
    • Donald CampbellDonald L St. AubinWalter H Ohrbom
    • Donald CampbellDonald L St. AubinWalter H Ohrbom
    • C08F8/30
    • C09D201/025C08F222/20C08F222/22
    • A carbamate or terminal urea functional vinyl polymer is prepared by reacting a compound having an hydroxyl group and a carbamate group, terminal urea group, or a group that can be converted to a carbamate or terminal urea group, with a cyclic carboxylic acid anhydride group to form an ester bond and a free acid group from the anhydride; and reacting the free acid group with a compound having an epoxide group. The cyclic carboxylic acid anhydride group may be pendant to a vinyl polymer, or one of the compound having an hydroxyl group, a compound having the cyclic carboxylic acid anhydride group, and the compound having an epoxide group may have polymerizable ethylenic unsaturation that is polymerized, optionally with one or more copolymerizable monomers to form a vinyl polymer. When the compound having an hydroxyl group has a group that can be converted to a carbamate or terminal urea group, the group is converted to the carbamate or terminal urea group after step (a). The carbamate or terminal urea functional vinyl polymer may be included in a coating composition. The coating composition may be applied to a substrate and cured to form a cured coating on the substrate.
    • 通过将具有羟基和氨基甲酸酯基的化合物,末端脲基团或可转化为氨基甲酸酯或末端脲基团的化合物与环状羧酸酐基团反应制备氨基甲酸酯或末端脲官能乙烯基聚合物, 从酸酐形成酯键和游离酸基团; 并使游离酸基与具有环氧基的化合物反应。 环状羧酸酐基可以侧链至乙烯基聚合物,或具有羟基的化合物,具有环状羧酸酐基的化合物和具有环氧基的化合物之间可具有可聚合的烯属不饱和基团, 任选地与一种或多种可共聚单体形成乙烯基聚合物。 当具有羟基的化合物具有可以转化为氨基甲酸酯或末端脲基团的基团时,在步骤(a)之后将该基团转化为氨基甲酸酯或末端脲基团。 氨基甲酸酯或末端脲官能的乙烯基聚合物可以包括在涂料组合物中。 涂料组合物可以施加到基底上并固化以在基底上形成固化的涂层。
    • 3. 发明授权
    • Method and apparatus for surveillance system peering
    • 监控系统对等方法和装置
    • US09071626B2
    • 2015-06-30
    • US13652712
    • 2012-10-16
    • Stephen Jeffrey MorrisSteven Arnold BoltonDonald Campbell
    • Stephen Jeffrey MorrisSteven Arnold BoltonDonald Campbell
    • G05B19/00H04L29/08H04L29/06G08B13/196G08B25/00G08B25/08
    • H04L67/1095G08B13/19656G08B25/006G08B25/085H04L63/104
    • A security installation positions a peering ability with a peer installation by establishing a peering agreement to define the conditions constituting a situation for which peering applies, and identifies the resources and assets which will be shared, as well as the duration of the peering, typically until the resolution of the exigent situation or circumstances that prompted the peering. Peering selectively couples security installations for monitoring a particular upon determining that a situation responsive to mediation has occurred within an area monitored by the security installation for monitoring an area. The security installation initiates a peering invitation to a peer installation, in which the peer installation is configured to share resources with the security installation for mitigating the cause of the situation. The resulting peered access provides communication between the peer installation and the security installation, the access being temporary and conditional on the exigency of the determined situation.
    • 一个安全机构通过建立一个对等协议来确定构成对等情况的条件的对等协议,同时进行对等设备的定位,并确定共享的资源和资产,以及对等的持续时间,通常直到 解决迫切的情况或情况促使对等。 对等选择性地将安全设备结合在一起,以确定在由安全设备监视的区域内发生响应于调解的情况以监视区域的特定情况。 安全安装启动对等安装的对等邀请,其中对等体安装配置为与安全性安装共享资源以减轻情况的原因。 所产生的对等访问提供对等设备与安全设备之间的通信,访问是临时的,并且取决于确定的情况的紧急性。
    • 9. 发明申请
    • Supported metallocene catalysts and their use in producing stereospecific polymers
    • 负载型茂金属催化剂及其在制备立体有择聚合物中的应用
    • US20060089470A1
    • 2006-04-27
    • US10971362
    • 2004-10-22
    • Margarito LopezEdwar ShamshoumDonald Campbell
    • Margarito LopezEdwar ShamshoumDonald Campbell
    • C08F4/44B01J31/00
    • B01J31/2295B01J2231/12B01J2531/46B01J2531/48B01J2531/49B01J2531/56Y10S526/943
    • Supported stereospecific catalysts and processes for the stereotactic propagation of a polymer chain derived from ethylenically unsaturated monomers which contain three or more carbon atoms or which are substituted vinyl compounds, specifically alpha olefins, particularly the polymerization of propylene to produce syndiotactic or isotactic polypropylene. The supported metallocene catalyst comprises a stereospecific metallocene catalyst and a co-catalyst component comprising at least one of an alkyl alumoxane and an alkylaluminum compound. Both the metallocene catalyst and the co-catalyst are supported on a particulate silica support comprising silica particles having an average particle size of 5-40 microns and an average effective pore size of 50-200 angstroms. The silica support further has a differential pore size distribution of a pore volume of at least 0.01 cm3/g. within a range having a maximum pore width of no more than 300 angstroms. The metallocene has a retention factor on this support of at least 90 wt. % after aging in tri-isobutylaluminum at a temperature of 25° C. for a period of 12 hours.
    • 支持的立体定向催化剂和衍生自含有三个或更多个碳原子的烯属不饱和单体的聚合物链的立体定向增长的方法,或者是取代的乙烯基化合物,特别是α-烯烃,特别是丙烯聚合以产生间同立构或全同立构聚丙烯。 负载型茂金属催化剂包括立体特异性茂金属催化剂和包含烷基铝氧烷和烷基铝化合物中的至少一种的助催化剂组分。 金属茂催化剂和助催化剂都负载在包含平均粒径为5-40微米,平均有效孔径为50-200埃的二氧化硅颗粒的颗粒状二氧化硅载体上。 二氧化硅载体还具有至少0.01cm 3 / g的孔体积的不均匀孔径分布。 在最大孔隙宽度不大于300埃的范围内。 金属茂在该载体上具有至少90重量%的保留因子。 在三异丁基铝中,在25℃的温度下老化12小时。
    • 10. 发明申请
    • Device and method for preventing a flag from furling
    • 防止旗帜发皱的装置和方法
    • US20060065182A1
    • 2006-03-30
    • US10955606
    • 2004-09-30
    • Donald CampbellBrent Kendall
    • Donald CampbellBrent Kendall
    • G09F17/00
    • G09F17/00
    • A method and device for preventing a flag from furling is disclosed. The device includes a fastener for attaching the device to a flag; an elongated tensile element having a first end attached to the fastener and a second end; and a weighted object attached to the second end of the tensile element. The method includes fastening a first end of an elongated tensile element to a flag and attaching a weighted object to the second end of the elongated tensile element. The elongated tensile element may include a rigid element, such as, a rod or bar, or a pliable element, such as, a cord or chain. According to aspects of the invention, the interaction of the elongated tensile element and the weighted object counteracts flag motion tending to furl the flag around its flagpole. The weighted object may include a support structure and a source of source of illumination for the flag.
    • 公开了一种用于防止旗子发皱的方法和装置。 该装置包括用于将装置附接到标志的紧固件; 细长的拉伸元件,其具有附接到所述紧固件的第一端和第二端; 以及附着在拉伸元件的第二端的加权物体。 该方法包括将细长拉伸元件的第一端紧固到标志上并将加权物体附接到细长拉伸元件的第二端。 细长拉伸元件可以包括刚性元件,例如杆或杆,或柔韧元件,例如绳索或链条。 根据本发明的方面,细长拉伸元件和加权物体的相互作用抵消标志运动趋向于围绕其旗杆卷起旗帜。 加权对象可以包括支撑结构和标志的照明源。