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1. 发明授权

US5288394A Process for the prevention of polymer formation in compressor systems 失效
标题翻译：防止压缩机系统中聚合物形成的方法
公开(公告)号：US5288394A
公开(公告)日：1994-02-22
申请号：US907320
申请日：1992-07-01
申请人： Vincent E. Lewis , Carl T. Rowe
发明人： Vincent E. Lewis , Carl T. Rowe
IPC分类号： C10G9/16 , C10G19/02 , C10G57/00
CPC分类号： C10G9/16 , C10G19/02 , C10G57/00 , Y10S585/95
摘要： An improved process for inhibiting the formation and deposition of polymer-based fouling materials after caustic scrubbing of hydrocarbon streams contaminated with oxygenated compounds with a basic washing solution having a pH>7 comprising adding to the hydrocarbon stream after caustic scrubbing a sufficient amount for inhibiting formation and deposition of polymer-based fouling materials of a composition comprising at least one hydrazide compound characterized by the formula ##STR1## where R is selected from the group consisting of H, NHNH.sub.2, and ##STR2##
摘要翻译：一种改进的方法，用于在碱性洗涤溶液pH> 7的苛性碱洗涤被含氧化合物污染的烃物流之后，抑制基于聚合物的结垢材料的形成和沉积，包括在苛性碱洗涤足够量的抑制形成之后向烃流中加入以及包含至少一种由式（*化学结构*）表征的至少一种酰肼化合物的基于聚合物的结垢材料的沉积，其中R选自H，NHNH 2和（*化学结构*），

2. 发明授权

US5427690A .alpha.-olefin/maleic anhydride copolymers as antifoulants in quench water systems 失效
标题翻译： α-烯烃/马来酸酐共聚物作为防水剂在骤冷水系统中的应用
公开(公告)号：US5427690A
公开(公告)日：1995-06-27
申请号：US194758
申请日：1994-02-10
申请人： Carl T. Rowe , Sherri L. Fisher
发明人： Carl T. Rowe , Sherri L. Fisher
IPC分类号： C02F1/54 , C02F5/10
CPC分类号： C02F1/54 , Y10S585/95
摘要： A method for dispersing heavy hydrocarbons in an ethylene water quench tower, the method comprising the steps of: introducing an effective amount of a dispersant into the ethylene water quench tower, the dispersant comprising a copolymer of an .alpha.-olefin having from about 10 to about 36 carbon atoms and a maleic anhydride, wherein the rate ratio of the .alpha.-olefin to the maleic anhydride is from about 1:1 to about 5:5 and the molecular weight of the copolymer is from about 5,000 to about 100,000, the anhydride moieties of the copolymer being substantially intact.
摘要翻译：一种将重质烃分散在乙烯水淬火塔中的方法，所述方法包括以下步骤：将有效量的分散剂引入到乙烯水淬火塔中，所述分散剂包含具有约10至约10重量％的α-烯烃的共聚物 36个碳原子和马来酸酐，其中α-烯烃与马来酸酐的速率比为约1:1至约5:5，共聚物的分子量为约5,000至约100,000，酸酐部分的共聚物基本上完整。

3. 发明授权

US5445743A Methacrylate polymers as antifoulants in quench water systems 失效
标题翻译：甲基丙烯酸酯聚合物作为止汗水系统中的防污剂
公开(公告)号：US5445743A
公开(公告)日：1995-08-29
申请号：US194768
申请日：1994-02-10
申请人： Carl T. Rowe , Sherri L. Fisher
发明人： Carl T. Rowe , Sherri L. Fisher
IPC分类号： C02F5/12 , C02F5/10
CPC分类号： C02F5/12 , Y10S585/95
摘要： A method for dispersing high molecular weight hydrocarbon material in an ethylene water quench tower, the method comprising the step of: introducing a deposit inhibiting amount of a dispersant into the ethylene water quench tower, the dispersant comprising a copolymer of a first monomer and a second monomer, the first monomer being selected from the group consisting of butyl methacrylate, lauryl methacrylate, stearyl methacrylate, and decyl methacrylate-2-ethylhexyl methacrylate, the second monomer being selected from the group consisting of diethyl-aminoethyl methacrylate, dimethyl amino-ethyl methacrylate, phenyl aminoethyl methacrylate, butyl aminoethyl methacrylate, and propyl aminoethyl methacrylate.
摘要翻译：一种在乙烯水淬火塔中分散高分子量烃材料的方法，所述方法包括以下步骤：将沉积物抑制量的分散剂引入到乙烯水淬火塔中，所述分散剂包含第一单体和第二单体的共聚物单体，第一单体选自甲基丙烯酸丁酯，甲基丙烯酸月桂酯，甲基丙烯酸硬脂酯和甲基丙烯酸癸酯，甲基丙烯酸-2-乙基己酯，第二单体选自甲基丙烯酸二乙基氨基乙酯，甲基丙烯酸二甲基氨基乙酯，甲基丙烯酸苯基氨基乙酯，甲基丙烯酸丁基氨基乙酯和甲基丙烯酸丙基氨基乙酯。

4. 发明授权

US5420194A .alpha.olefin/maelic anhydride copolymers as antifoulants in ethylene process water stripper systems 失效
标题翻译： α-烯烃/马来酸酐共聚物作为乙烯工艺脱水剂系统中的防污剂
公开(公告)号：US5420194A
公开(公告)日：1995-05-30
申请号：US194677
申请日：1994-02-14
申请人： Carl T. Rowe , Sherri L. Fisher
发明人： Carl T. Rowe , Sherri L. Fisher
IPC分类号： C10G9/00 , C08L37/00
CPC分类号： C10G9/00 , C10G2400/20
摘要： A method for dispersing heavy hydrocarbons in an ethylene process water stripper tower, the method comprising the steps of: introducing an effective amount of a dispersant into the ethylene water stripper, the dispersant comprising a copolymer of an .alpha.-olefin having from about 10 to about 36 carbon atoms and a maleic anhydride, wherein the rate ratio of the .alpha.-olefin to the maleic anhydride is from about 1:1 to about 5:5 and the molecular weight of the copolymer is from about 5,000 to about 100,000, the anhydride moieties of the copolymer being substantially intact.
摘要翻译：一种将重质烃分散在乙烯工艺脱水塔中的方法，所述方法包括以下步骤：将有效量的分散剂引入到乙烯水汽提塔中，所述分散剂包含具有约10至约 36个碳原子和马来酸酐，其中α-烯烃与马来酸酐的速率比为约1:1至约5:5，共聚物的分子量为约5,000至约100,000，酸酐部分的共聚物基本上完整。

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