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    • 2. 发明申请
    • PROCESS FOR REMOVAL OF HYDROXYACETONE FROM PHENOL
    • 从苯酚中除去羟基酮的方法
    • US20070244346A1
    • 2007-10-18
    • US11736531
    • 2007-04-17
    • Otto SchnurrManfred WeberMarkus Weber
    • Otto SchnurrManfred WeberMarkus Weber
    • C07C37/08
    • C07C37/08C07C39/04
    • The present invention relates to method for producing phenol which includes: a) oxidizing cumene to form an oxidation product containing cumene hydroperoxide; b) cleaving the oxidation product using an acidic catalyst to form a cleavage product containing phenol, acetone and impurities; c) neutralizing and washing the cleavage product with a basic aqueous medium to obtain a neutralized cleavage product; d) separating the neutralized cleavage product by at least one distillation step into at least a phenol containing fraction and an aqueous fraction comprising hydroxyacetone; e) treating the aqueous fraction with an oxidizing agent in presence of a base to obtain a basic aqueous medium reduced in hydroxyacetone; f) recycling at least a portion of the basic aqueous medium to the neutralizing and washing step c); and g) recovering phenol from the phenol containing fraction obtained in step d).
    • 本发明涉及苯酚的制备方法,其包括:a)氧化枯烯以形成含有氢过氧化枯烯的氧化产物; b)使用酸性催化剂切割氧化产物以形成含有苯酚,丙酮和杂质的裂解产物; c)用碱性水性介质中和洗涤裂解产物以获得中和的裂解产物; d)将中和的裂解产物通过至少一个蒸馏步骤分离成至少含苯酚的级分和包含羟基丙酮的含水级分; e)在碱的存在下用氧化剂处理含水部分以获得羟基丙酮中还原的碱性水性介质; f)将至少一部分碱性水性介质再循环到中和和洗涤步骤c)中; 和g)从在步骤d)中获得的含苯酚馏分中回收苯酚。
    • 9. 发明授权
    • Network-based security services for managed internet service
    • 用于托管互联网服务的基于网络的安全服务
    • US08549610B2
    • 2013-10-01
    • US12636286
    • 2009-12-11
    • Christopher O'BrienJoseph Blanda, Jr.William RehrmannMarkus Weber
    • Christopher O'BrienJoseph Blanda, Jr.William RehrmannMarkus Weber
    • H04L29/06
    • H04L45/00H04L63/0227
    • Data traffic is routed from a customer edge (CE) router to an Ethernet services router via a generic routing encapsulation (GRE) tunnel. Upon routing the data traffic from the CE router to the Ethernet services router, the data traffic is routed from the Ethernet services router to an aggregation switch. Upon routing the data traffic from the Ethernet services router to the aggregation switch, the data traffic is routed from the aggregation switch to a service switch through a security module, the security module configured to filter the data traffic. The filtered data traffic is routed from the service switch to the Ethernet services router. Upon routing the filtered data traffic from the service switch to the Ethernet services router, the filtered data traffic is routed from the Ethernet services router to a provider edge (PE) router.
    • 数据流量通过通用路由封装(GRE)隧道从客户端(CE)路由器路由到以太网服务路由器。 在将数据流量从CE路由器路由到以太网服务路由器时,数据流量从以太网服务路由器路由到聚合交换机。 在将数据流量从以太网服务路由器路由到聚合交换机时,数据流量通过安全模块从聚合交换机路由到业务交换机,安全模块被配置为过滤数据流量。 经过过滤的数据流量从服务交换机路由到以太网服务路由器。 将经过过滤的数据流量从业务交换机路由到以太网业务路由器后,过滤的数据流量将从以太网业务路由器路由到提供商边缘(PE)路由器。