Patents by Inventor Zhufang Sun
Zhufang Sun 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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Publication number: 20240156889Abstract: The present disclosure relates a method for reducing animal weight, comprising administering to a patient in need thereof a therapeutically or prophylactically effective amount of a mulberry extract. The mulberry extract comprises: 3% to 99% of an alkaloid, 0.2% to 70% of a polysaccharide, 0% to 50% of an amino acid, 0% to 10% of flavone, and 0% to 25% of other components. The mulberry extract of the present disclosure can be used for controlling weight gain, and has a good therapeutic effect on type 2 diabetes with obesity.Type: ApplicationFiled: March 11, 2022Publication date: May 16, 2024Inventors: Yuling LIU, Yanmin CHEN, Zhihua LIU, Xiangyang ZHU, Yiqun JIN, Hongzhen YANG, Tingting WANG, Yuanyuan LIU, Zhufang SHEN, Shuainan LIU, Quan LIU, Chunfang LIAN, Qianwen SUN, Yuanyuan ZOU, Caina LI, Lei LEI, Hui CAO
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Patent number: 11840508Abstract: A catalyst system for olefin polymerization contains a main catalyst and a cocatalyst. The cocatalyst contains a twelve-membered ring compound represented by formula (M). The catalyst system is suitable for preparing polypropylene products having high stereoregularity and low ash, and can regulate the melt index of the products within a wide range by adjusting the amount of hydrogenation. It is also suitable for copolymerization systems to improve the copolymerization yield.Type: GrantFiled: July 24, 2020Date of Patent: December 12, 2023Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Jie Lin, Xiaofan Zhang, Ting Huang, Junhui Zhang, Junling Zhou, Zhufang Sun, Xianzhi Xia, Hui Zhao, Zifang Guo, Jin Zhao, Haitao Liu, Meiyan Fu, Jigui Zhang, Lin Qi, Lian Yan, Wei Cen, Yu Wang
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Publication number: 20220251016Abstract: A catalyst system for olefin polymerization contains a main catalyst and a cocatalyst. The cocatalyst contains a twelve-membered ring compound represented by formula (M). The catalyst system is suitable for preparing polypropylene products having high stereoregularity and low ash, and can regulate the melt index of the products within a wide range by adjusting the amount of hydrogenation. It is also suitable for copolymerization systems to improve the copolymerization yield.Type: ApplicationFiled: July 24, 2020Publication date: August 11, 2022Inventors: Jie LIN, Xiaofan ZHANG, Ting HUANG, Junhui ZHANG, Junling ZHOU, Zhufang SUN, Xianzhi XIA, Hui ZHAO, Zifang GUO, Jin ZHAO, Haitao LIU, Meiyan FU, Jigui ZHANG, Lin QI, Lian YAN, Wei CEN, Yu WANG
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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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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