Patents by Inventor Lunjia Xie
Lunjia Xie 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: 11401356Abstract: The present invention discloses a Ziegler-Natta catalyst system for olefin polymerization, comprising at least one compound represented by formula (I) as (i) an internal electron donor, (ii) an external electron donor, or (iii) the both, wherein M1, M2, M3, M4, M5, M6, M1?, M2?, M3?, M4?, M5? and M6? are each independently selected from the group consisting of hydrogen, hydroxy, amino, aldehyde group, carboxy, acyl, halogen atoms, —R1 and —OR2, wherein R1 and R2 are each independently a C1-C10 hydrocarbyl, which is unsubstituted or substituted by a substituent selected from the group consisting of hydroxy, amino, aldehyde group, carboxy, acyl, halogen atoms, C1-C10 alkoxy and heteroatoms; and wherein, when among M1-M6 and M1?-M6?, any two adjacent groups on the same phenyl ring are each independently selected from the group consisting of R1 and —OR2, the two adjacent groups may optionally be linked to form a ring, with a proviso that M1, M2, M3, M4, M5, M6, M1?, M2?, M3?, M4?, M5? and M6? are not simultaneousType: GrantFiled: July 19, 2018Date of Patent: August 2, 2022Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Ting Huang, Zifang Guo, Zhufang Sun, Junling Zhou, Lunjia Xie, Hongxu Yang, Bingyi Li, Qingqiang Gou, Tingjie Huang, Peng Kou, Xiaofan Zhang, Meiyan Fu, Jie Lin, Yonghua Ma
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Publication number: 20200181296Abstract: The present invention discloses a Ziegler-Natta catalyst system for olefin polymerization, comprising at least one compound represented by formula (I) as (i) an internal electron donor, (ii) an external electron donor, or (iii) the both, wherein M1, M2, M3, M4, M5, M6, M1?, M2?, M3?, M4?, M5? and M6? are each independently selected from the group consisting of hydrogen, hydroxy, amino, aldehyde group, carboxy, acyl, halogen atoms, —R1 and —OR2, wherein R1 and R2 are each independently a C1-C10 hydrocarbyl, which is unsubstituted or substituted by a substituent selected from the group consisting of hydroxy, amino, aldehyde group, carboxy, acyl, halogen atoms, C1-C10 alkoxy and heteroatoms; and wherein, when among M1-M6 and M1?-M6?, any two adjacent groups on the same phenyl ring are each independently selected from the group consisting of R1 and —OR2, the two adjacent groups may optionally be linked to form a ring, with a proviso that M1, M2, M3, M4, M5, M6, M1?, M2?, M3?, M4?, M5? and M6? are not simultaneousType: ApplicationFiled: July 19, 2018Publication date: June 11, 2020Inventors: Ting HUANG, Zifang GUO, Zhufang SUN, Junling ZHOU, Lunjia XIE, Hongxu YANG, Bingyi LI, Qingqiang GOU, Tingjie HUANG, Peng KOU, Xiaofan ZHANG, Meiyan FU, Jie LIN, Yonghua MA
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Patent number: 9376513Abstract: Disclosed is a solid catalyst component for olefin polymerization. The catalyst component comprises a dialkoxy magnesium carrier, a titanium compound, and a product from an internal electron donor reacting in an inert solvent. The internal electron donor compound comprises a 2,3-di-non-linear-alkyl-2-cyano succinic acid diester compound as presented in formula I.Type: GrantFiled: January 19, 2012Date of Patent: June 28, 2016Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Zhong Tan, Lunjia Xie, Xiudong Xu, Yu Tian, Qilong Zhou, Zaixing Feng, Li'an Yan, Siyuan Zhao, Jinhua Yu, Zhufang Sun, Fengkui Li, Shanshan Yin, Weiwei Song
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Patent number: 8669392Abstract: A process for preparing 2,3-di(non-linear-alkyl)-2-cyanosuccinate compounds, especially 2,3-diisopropyl-2-cyanosuccinate compounds, and processes for preparing 2,3-di(non-linear-alkyl)succinic acids and esters thereof by using the 2,3-di-non-linear propyl-2-cyanosuccinate compounds as intermediates are disclosed.Type: GrantFiled: February 12, 2010Date of Patent: March 11, 2014Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Lunjia Xie, Yu Tian, Zaixing Feng, Siyuan Zhao, Yu Kang, Zhufang Sun
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Publication number: 20130324682Abstract: Disclosed is a solid catalyst component for olefin polymerization. The catalyst component comprises a dialkoxy magnesium carrier, a titanium compound, and a product from an internal electron donor reacting in an inert solvent. Said internal electron donor compound comprises a 2,3-di-non-linear-alkyl-2-cyano succinic acid diester compound as presented in formula I: as in formula I, R1 and R2 radicals are independently chosen from linear or branched C1-C4 alkyl groups; R is chosen from C3-C6 iso-alkyl, sec-alkyl, or cycloalkyl groups. Also disclosed is another solid catalyst component. The catalyst component comprises a dialkoxy magnesium carrier, a titanium compound, and a product from an internal electron donor reacting in an inert solvent. In addition to a 2,3-di-non-linear-alkyl-2-cyano succinic acid diester compound as presented in formula I, the internal electron donor compound can also comprise 2-isopropyl-2-(3-methylbutyl)-1,3-dimethoxy propane and/or a carboxylic ester compound.Type: ApplicationFiled: January 19, 2012Publication date: December 5, 2013Inventors: Zhong TAN, Lunjia Xie, Xiudong Xu, Yu Tian, Qilong Zhou, Zaixing Feng, Li'an Yan, Siyuan Zhao, Jinhua Yu, Zhufang Sun, Fengkui Li, Shanshan Yin, Weiwei Song
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Patent number: 8541333Abstract: A catalyst component for olefin polymerization comprising an ?-cyanosuccinate compound as an internal electron donor, a catalyst comprising the catalyst component, and use of the catalyst in olefin polymerization. When used in propylene polymerization, the catalyst can exhibit good catalytic activity and good hydrogen response, and the resulting polymer can have a good isotacticity and a good molecular weight distribution.Type: GrantFiled: August 13, 2010Date of Patent: September 24, 2013Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Lunjia Xie, Yongtai Ling, Yu Tian, Zaixing Feng, Siyuan Zhao, Qing Hu, Zhufang Sun, Yu Kang
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Publication number: 20120046490Abstract: A process for preparing 2,3-di(non-linear-alkyl)-2-cyanosuccinate compounds, especially 2,3-diisopropyl-2-cyanosuccinate compounds, and processes for preparing 2,3-di(non-linear-alkyl)succinic acids and esters thereof by using the 2,3-di-non-linear propyl-2-cyanosuccinate compounds as intermediates are disclosed.Type: ApplicationFiled: February 12, 2010Publication date: February 23, 2012Inventors: Lunjia Xie, Yu Tian, Zaixing Feng, Siyuan Zhao, Yu Kang, Zhufang Sun
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Publication number: 20110040051Abstract: A catalyst component for olefin polymerization comprising an ?-cyanosuccinate compound as an internal electron donor, a catalyst comprising the catalyst component, and use of the catalyst in olefin polymerization. When used in propylene polymerization, the catalyst can exhibit good catalytic activity and good hydrogen response, and the resulting polymer can have a good isotacticity and a good molecular weight distribution.Type: ApplicationFiled: August 13, 2010Publication date: February 17, 2011Inventors: Lunjia XIE, Yongtai Ling, Yu Tian, Zaixing Feng, Siyuan Zhao, Qing Hu, Zhufang Sun, Yu Kang
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Patent number: 7399812Abstract: The present invention relates to silicon ether compounds having a general formula (I), a method for the preparation thereof and use thereof as a component of catalysts for polymerization of olefins. In particular, in propylene polymerization, catalyst systems comprising the silicon ether compounds as external electron donor component exhibit good hydrogen response, and can be used to prepare polymer having high isotacticity at high yield. wherein R1-R10 groups are as defined in the description.Type: GrantFiled: February 16, 2005Date of Patent: July 15, 2008Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Lunjia Xie, Mingzhi Gao, Siyuan Zhao, Jing Ma, Zhufang Sun, Haitao Liu, Tianyi Li, Mingsen Zhang, Changjiang Wu
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Cyclopentane carboxylate compounds, process and intermediates for preparing the same and use thereof
Patent number: 7388103Abstract: The present invention discloses cyclopentane carboxylate compounds. The 1-hydrocarbyl-2-acyloxy-cyclopentane carboxylates according to the invention have a general formula (I): wherein groups R1, R2 and R3, which are identical or different, are independently selected from the group consisting of linear or branched C1-C20alkyl, C3-C20cycloalkyl, C6-C20aryl, C7-C20alkaryl and C7-C20aralkyl. The present invention also discloses a process as well as intermediate compounds for preparing the compounds of formula (I), and use of the compounds (I) as electron donor in the preparation of catalysts for propylene polymerization.Type: GrantFiled: October 27, 2005Date of Patent: June 17, 2008Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical IndustryInventors: Lunjia Xie, Hongbin Du, Zhibiao Hu, Tianyi Zhang, Siyuan Zhao, Xinsheng Wang -
Patent number: 7323431Abstract: The present application discloses a catalyst for olefin polymerization, comprising a product of the following components: (A) solid titanium-containing catalyst component comprising magnesium, titanium and halogen as essential components; (B) organo-aluminum compound catalyst component, and (C) silicon ether compound catalyst component, the silicon ether compound being represented by a general formula (I): wherein R1-R12 and A are as defined in the description.Type: GrantFiled: December 23, 2004Date of Patent: January 29, 2008Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Mingzhi Gao, Lunjia Xie, Xiaodong Wang, Siyuan Zhao, Jing Ma, Haitao Liu, Tianyi Li, Zhufang Sun
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Publication number: 20060183873Abstract: The present invention relates to silicon ether compounds having a general formula (I), a method for the preparation thereof and use thereof as a component of catalysts for polymerization of olefins. In particular, in propylene polymerization, catalyst systems comprising the silicon ether compounds as external electron donor component exhibit good hydrogen response, and can be used to prepare polymer having high isotacticity at high yield. wherein R1-R10 groups are as defined in the description.Type: ApplicationFiled: February 16, 2005Publication date: August 17, 2006Inventors: Lunjia Xie, Mingzhi Gao, Siyuan Zhao, Jing Ma, Zhufang Sun, Haitao Liu, Tianyi Li, Mingsen Zhang, Changjiang Wu
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Publication number: 20060142146Abstract: The present application discloses a catalyst for olefin polymerization, comprising a product of the following components: (A) solid titanium-containing catalyst component comprising magnesium, titanium and halogen as essential components; (B) organo-aluminum compound catalyst component, and (C) silicon ether compound catalyst component, the silicon ether compound being represented by a general formula (I): wherein R1-R12 and A are as defined in the description.Type: ApplicationFiled: December 23, 2004Publication date: June 29, 2006Inventors: Mingzhi Gao, Lunjia Xie, Xiaodong Wang, Siyuan Zhao, Jing Ma, Haitao Liu, Tianyi Li, Zhufang Sun
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Cyclopentane carboxylate compounds, process and intermediates for preparing the same and use thereof
Publication number: 20060094843Abstract: The present invention discloses cyclopentane carboxylate compounds. The 1-hydrocarbyl-2-acyloxy-cyclopentane carboxylates according to the invention have a general formula (I): wherein groups R1, R2 and R3, which are identical or different, are independently selected from the group consisting of linear or branched C1-C20alkyl, C3-C20cycloalkyl, C6-C20aryl, C7-C20alkaryl and C7-C20aralkyl. The present invention also discloses a process as well as intermediate compounds for preparing the compounds of formula (I), and use of the compounds (I) as electron donor in the preparation of catalysts for propylene polymerization.Type: ApplicationFiled: October 27, 2005Publication date: May 4, 2006Applicants: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical IndustryInventors: Lunjia Xie, Hongbin Du, Zhibiao Hu, Tianyi Zhang, Siyuan Zhao, Xinsheng Wang -
Patent number: 6822109Abstract: The present invention relates to a silicon ether compound having general formula (I): wherein, R and R1-R10 groups, which may be Identical or different, represent hydrogen, halogen, C1-C20 linear or branched alkyl, C3-C20 cycloalkyl, C8-C20 aryl, C7-C20 alkaryl or C7-C20 aralkyl group, and two or more R groups can be linked to form saturated or unsaturated condensed ring structure which is optionally substituted by a group having the same meanings with that of R1, R and R1-R10 groups optionally contain one or more hetero-atoms replacing carbon atom, hydrogen atom or the both, said heteroatom is selected from the group consisting of nitrogen, oxygen, sulfur, silicon, phosphorus and halogen atom, and A represents carbon atom or silicon atom. The present invention also relates to a method for the preparation of the silicon ether compounds of general formula (I) and a process for polymerization of olefins.Type: GrantFiled: July 16, 2003Date of Patent: November 23, 2004Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical CorporationInventors: Lunjia Xie, Mingzhi Gao, Tianyi Li, Siyuan Zhao, Mingsen Zhang, Changjiang Wu
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Publication number: 20040106814Abstract: The present invention relates to a silicon ether compound having general formula (I): 1Type: ApplicationFiled: July 16, 2003Publication date: June 3, 2004Inventors: Lunjia Xie, Mingzhi Gao, Tianyi Li, Siyuan Zhao, Mingsen Zhang, Changjiang Wu