Patents by Inventor Bingquan Mao
Bingquan Mao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10174141Abstract: The present invention provides a preparation method of a catalyst component for olefin polymerization, comprising firstly dissolving an anhydrous magnesium halide into a mixed solvent which comprises an oxygen-containing organic titanium compound, an organic epoxy compound, a hydroxy-containing compound, and an inert solvent, and does not comprise a phosphate compound, so as to form a magnesium halide solution; then mixing the magnesium halide solution with a halogen-containing compound to precipitate a solid, so as to obtain the catalyst component, wherein the halogen-containing compound comprises at least one selected from a group consisting of halogen and titanium-containing compounds, halogenated organic hydrocarbon compounds, acyl halide compounds, halogen and phosphorus-containing compounds, halogen and boron-containing compounds, halogenated organic aluminum compounds, and halogen and silicon-containing compounds.Type: GrantFiled: April 29, 2015Date of Patent: January 8, 2019Assignee: China Petroleum & Chemical Corporation Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Shibo Wang, Junling Zhou, Dongbing Liu, Lei Zhang, Xinping Lv, Bingquan Mao, Zhenjie Liu, Xin Zhou, Changli Zhang, Baoquan Xing
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Patent number: 10087264Abstract: A magnesium halide solution is disclosed. The magnesium halide solution comprises a magnesium halide, an oxygen-containing organic titanium compound, a hydroxyl-containing compound, and an organic solvent. The magnesium halide solution further comprises an organic heterocyclic compound. The organic solvent is a hydrocarbon and/or a halogenated hydrocarbon. The organic heterocyclic compound is at least one selected from a group consisting of a sulphur-containing organic heterocyclic compound, a nitrogen-containing organic heterocyclic compound, and an organic epoxy compound. The magnesium halide solution has a good stability, and can be used for preparing a catalyst for olefin polymerization and copolymerization reactions. The raw material of the magnesium halide solution is cheap and easy to be obtained. The preparing method is easy to be performed and is environment-friendly.Type: GrantFiled: April 29, 2015Date of Patent: October 2, 2018Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Shibo Wang, Junling Zhou, Dongbing Liu, Lei Zhang, Xinping Lv, Bingquan Mao, Zhenjie Liu, Xin Zhou, Changli Zhang, Baoquan Xing
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Publication number: 20170058060Abstract: A magnesium halide solution is disclosed. The magnesium halide solution comprises a magnesium halide, an oxygen-containing organic titanium compound, a hydroxyl-containing compound, and an organic solvent. The magnesium halide solution further comprises an organic heterocyclic compound. The organic solvent is a hydrocarbon and/or a halogenated hydrocarbon. The organic heterocyclic compound is at least one selected from a group consisting of a sulphur-containing organic heterocyclic compound, a nitrogen-containing organic heterocyclic compound, and an organic epoxy compound. The magnesium halide solution has a good stability, and can be used for preparing a catalyst for olefin polymerization and copolymerization reactions. The raw material of the magnesium halide solution is cheap and easy to be obtained. The preparing method is easy to be performed and is environment-friendly.Type: ApplicationFiled: April 29, 2015Publication date: March 2, 2017Applicants: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Shibo WANG, Junling ZHOU, Dongbing LIU, Lei ZHANG, Xinping LV, Bingquan MAO, Zhenjie LIU, Xin ZHOU, Changli ZHANG, Baoquan XING
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Publication number: 20170051086Abstract: The present invention provides a preparation method of a catalyst component for olefin polymerization, comprising firstly dissolving an anhydrous magnesium halide into a mixed solvent which comprises an oxygen-containing organic titanium compound, an organic epoxy compound, a hydroxy-containing compound, and an inert solvent, and does not comprise a phosphate compound, so as to form a magnesium halide solution; then mixing the magnesium halide solution with a halogen-containing compound to precipitate a solid, so as to obtain the catalyst component, wherein the halogen-containing compound comprises at least one selected from a group consisting of halogen and titanium-containing compounds, halogenated organic hydrocarbon compounds, acyl halide compounds, halogen and phosphorus-containing compounds, halogen and boron-containing compounds, halogenated organic aluminium compounds, and halogen and silicon-containing compounds.Type: ApplicationFiled: April 29, 2015Publication date: February 23, 2017Applicants: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Shibo WANG, Junling ZHOU, Dongbing LIU, Lei ZHANG, Xinping LV, Bingquan MAO, Zhenjie LIU, Xin ZHOU, Changli ZHANG, Baoquan Xing
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Patent number: 9068025Abstract: The present invention relates to a catalyst component for olefin polymerization, which comprises the reaction product of at least one organo-magnesium compound, at least one titanium-containing compound, at least one hydroxyl group-containing compound, at least one chlorine-containing organo-aluminum, boron, phosphorus or silicon compound, and at least one polybutadiene block copolymer. The catalyst component of the present invention has well-shaped particles, and a narrow particle size distribution; a polymerization reaction of olefins with the catalyst component produces well-shaped polymer particles with a high bulk density (BD) and an excellent comprehensive catalytic performance. The present invention also relates to a preparation method for said catalyst component and the application thereof, particularly in the homopolymerization and copolymerization of olefins such as ethylene, propylene, butene, hexene and octene.Type: GrantFiled: August 19, 2011Date of Patent: June 30, 2015Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Shibo Wang, Dongbing Liu, Junling Zhou, Xinping Lü, Lei Zhang, Bingquan Mao, Baoquan Xing, Xin Zhou, Changli Zhang
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Publication number: 20130150540Abstract: The present invention relates to a catalyst component for olefin polymerization, which comprises the reaction product of at least one organo-magnesium compound, at least one titanium-containing compound, at least one hydroxyl group-containing compound, at least one chlorine-containing organo-aluminum, boron, phosphorus or silicon compound, and at least one polybutadiene block copolymer. The catalyst component of the present invention has well-shaped particles, and a narrow particle size distribution; a polymerization reaction of olefins with the catalyst component produces well-shaped polymer particles with a high bulk density (BD) and an excellent comprehensive catalytic performance. The present invention also relates to a preparation method for said catalyst component and the application thereof, particularly in the homopolymerization and copolymerization of olefins such as ethylene, propylene, butene, hexene and octene.Type: ApplicationFiled: August 19, 2011Publication date: June 13, 2013Inventors: Shibo Wang, Dongbing Liu, Junling Zhou, Xinping Lü, Lei Zhang, Bingquan Mao, Baoquan Xing, Xin Zhou, Changli Zhang
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Patent number: 6703339Abstract: A catalyst component for the (co)polymerization of olefins is provided. The catalyst comprises titanium, magnesium halogen and a mixed electron-donor and a catalyst for the (co)polymerization of olefins comprising:(A) the catalyst component; (B) an organic aluminum compound; and (C) an organic silicon compound. A polymer with high and adjustable stereospecificity and broad molecular weight distribution can be prepared by using the catalyst.Type: GrantFiled: December 6, 2000Date of Patent: March 9, 2004Assignees: China Petro-Chemical Corporation, Beijing Research Institute of Chemical Industry, SinopecInventors: Zhulan Li, Juxiu Yang, Mingzhi Gao, Yun Zhao, Bingquan Mao, Aichun Yang, Chunmin Ding, Wenbo Song, Kunzheng Liu
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Patent number: 6376417Abstract: A catalyst for the polymerization of propylene comprising components (A), (B) and (C) is provided. Component (A) is a solid product prepared by dissolving a halide of magnesium in a solvent system consisting of an organic epoxy compound, an organic phosphorus compound and an inert diluent to form a homogeneous solution; mixing the homogeneous solution with a halide of titanium to form a mixture; precipitating a solid from the mixture in the presence of an auxiliary precipitant; treating the solid with a polycarboxylic ester to load the ester on the solid; and treating the ester loaded solid with the halide of titanium and the inert diluent. Component (B) is an organic aluminium compound, and component (C) is an organic silicon compound. The particle size of the catalyst can be adjusted by increasing the amount of the inert diluent at a low ratio of the epoxy compound to the phosphorus compound.Type: GrantFiled: June 29, 2000Date of Patent: April 23, 2002Assignees: China Petro Chemical Corp., Beijing Research Institute of Chemical IndustryInventors: Aichun Yang, Zhulan Li, Yun Zhao, Wenbo Song, Juziu Yang, Bingquan Mao, Huiru Yang
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Publication number: 20020010081Abstract: The present invention relates to a catalyst component for the (co)polymerization of olefins comprising titanium, magnesium, halogen and a mixed electron-donor and a catalyst for the (co)polymerization of olefins comprisin: (A) the catalyst component; (B) an organic aluminum compound; and (C) an organic silicon compound. The polymer with high and adjustable stereospecificity and broad molecular weight distribution can be prepared by using the catalyst.Type: ApplicationFiled: December 6, 2000Publication date: January 24, 2002Inventors: Zhulan Li, Juxiu Yang, Mingzhi Gao, Yun Zhao, Bingquan Mao, Aichun Yang, Chunmin Ding, Wenbo Song, Kunzheng Liu
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Patent number: 4861847Abstract: A catalyst system for use in olefinic polymerization and copolymerization is comprised of components (A), (B) and (C). The catalyst component (A) consisting essentially of titanium, magnesium, halogen, polycarboxylic acid esters and organic phosphorus compounds is a solid product, being prepared by mixing titanium tetrahalide and auxiilary precipitant with a homogeneous solution of magnesium halide in a solvent system consisting essentially of an organic epoxy compound and an organic phosphorus compound to form a solid product which is then treated with a polycarboxylic acid ester and titanium tetrahalide. Component (B) is an organic aluminum compound, and component (C) is an organic silicon compound. The catalyst system has very high activity, and the resultant polymers have very high stereospecificity and good granular appearance.Type: GrantFiled: June 24, 1988Date of Patent: August 29, 1989Assignees: Beijing Research Institute of Chemical Industry, China Petrochemical Corp.Inventors: Bingquan Mao, Aichun Yang, Ying Zheng, Juxiou Yang, Zhulan Li
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Patent number: 4784983Abstract: A catalyst system for use in olefinic polymerization and copolymerization is comprised of components (A), (B) and (C). The catalyst component (A) consisting essentially of titanium, magnesium, halogen, polycarboxylic acid esters and organic phosphorus compounds is a solid product, being prepared by mixing titanium tetrahalide and auxiliary precipitant with a homogeneous solution of magnesium halide in a solvent system consisting essentially of an organic epoxy compound and an organic phosphorus compound to form a solid product which is then treated with a polycarboxylic acid ester and titanium tetrahalide. Component (B) is an organic aluminum compound, and component (C) is an organic silicon compound. The catalyst system has a very high activity, and the resultant polymers have very high stereospecificity and good granular appearance.Type: GrantFiled: September 15, 1986Date of Patent: November 15, 1988Assignee: Beijing Research Institute of Chemical IndustryInventors: Bingquan Mao, Aichun Yang, Ying Zheng, Juxiou Yang, Zhulan Li