Patents Assigned to SINOCHEM LANTIAN CO., LTD.
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Patent number: 11878290Abstract: Disclosed is a method for reducing carbon deposits on a catalyst in recycling HFC-23. The recycling is realized by means of a fluorine-chlorine exchange reaction with HFC-23 and a halogenated hydrocarbon. The catalyst for the fluorine-chlorine exchange reaction comprises a main body catalyst and a precious metal. The precious metal is selected from at least one of Pt, Pd, Ru, Au or Rh, and has an addition amount of 0.01-2 wt %. During the fluorine-chlorine exchange reaction, hydrogen gas is introduced. The invention has advantages of good catalyst stability, long life, etc.Type: GrantFiled: February 24, 2020Date of Patent: January 23, 2024Assignees: SINOCHEM LANTIAN CO., LTD., ZHEJIANG LANTIAN ENVIRONMENTAL PROTECTION HI-TECH CO., LTD., ZHEJIANG RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CO., LTD.Inventors: Jianjun Zhang, Wenfeng Han, Shucheng Wang, Wucan Liu, Feixiang Zhou
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Publication number: 20230261262Abstract: Use of a silane additive with carbon-carbon triple bond in an electrolyte for inhibiting the gas production of a cell, use of a combined additive of the silane additive and a film-forming additive in the electrolyte, use of a combined additive of the silane additive and a fluorine-containing lithium salt additive in the electrolyte, an electrolyte and a lithium ion battery containing the silane additive. The combined use of a silane additive and a film-forming additive and the combined use of a silane additive and a fluorine-containing lithium salt additive can not only inhibit the gas production of a cell and improve the high-temperature storage performance of a battery, but also improve the stability of the battery in a high-temperature cycle and a room temperature cycle.Type: ApplicationFiled: July 14, 2021Publication date: August 17, 2023Applicant: SINOCHEM LANTIAN CO., LTD.Inventors: Xianghuan DING, Nan LI, Hong YAN, Yiyi JIANG, Zhongkai LI, Guoqiang MA, Chong XU
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Patent number: 11549042Abstract: Disclosed is an environmentally friendly near-azeotropic mixed refrigerant, consisting essentially of HFO-1234 yf, HFE-143a and a third component, with the mass percentage of each component being: 70%-98% of HFO-1234yf, 1%-15% of HFE-143a and 1%-15% of the third component. The refrigerant of the present invention is environmentally friendly, excellent in thermodynamic properties, can directly realize drop-in substitution in an original system using HFC-134a without changing any parts, and can be used as a long term alternative to HFC-134a.Type: GrantFiled: September 3, 2021Date of Patent: January 10, 2023Assignees: ZHEJIANG LANTIAN ENVIRONMENTAL PROTECTION HI-TECH CO., LTD., SINOCHEM LANTIAN CO., LTD.Inventors: Zhikai Guo, Pinzan Xie, Xiaoqing Fang
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Patent number: 11254642Abstract: The present invention provides a method for the preparing of 2-chloro-5-trifluoromethylpyridine, comprising two steps of chlorofluorination reaction and chlorination reaction, the chlorination catalyst used in the chlorination reaction was chosen from a fluoride, an oxide, a hydroxide, a carbonate, or a chloride of magnesium, calcium and barium and a supported palladium catalyst; or under the action of at least one catalyst chosen from ZSM-5, 5A, ? and 13× molecular sieves, 3-trifluoromethylpyridine and chlorine gas phase have reaction to obtain 2-chloro-5-trifluoromethylpyridine. Or, under the action of a catalyst chosen from a fluoride, an oxide, a hydroxide, a carbonate, or a chloride of magnesium, calcium, and barium and a supported palladium catalyst, 3-trifluoromethylpyridine and chlorine gas phase have reaction to obtain 2-chloro-5-trifluoromethylpyridine.Type: GrantFiled: December 5, 2018Date of Patent: February 22, 2022Assignees: ZHEJIANG LANTIAN ENVIRONMENTAL PROTECTION HI-TECH CO., LTD., ZHEJIANG RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CO., LTD., SINOCHEM LANTIAN CO., LTD.Inventors: Wanjin Yu, Shengda Lin, Minyang Liu, Wucan Liu, Jianjun Zhang, Xianjin Chen
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Patent number: 11186546Abstract: The present invention discloses a method for preparing 2,3-dichloro-5-trifluoromethylpyridine, comprising at a temperature of 100˜150° C. and a pressure of 0.5˜5.0 MP, in presence of at least one catalyst selected from supported metal chloride, supported zeolite molecular sieve and supported heteropolyacid, 2-chloro-5-trifluoromethylpyridine reacts with chlorine gas to obtain 2,3-dichloro-5-trifluoromethylpyridine. The preparing method provided by the present invention has advantages such as high selectivity of desired product, high utilization rate of chlorine gas, moderate process condition, simple operation and less three wastes. The present invention also discloses a preparing method for preparing 2-chloro-5-trifluoromethylpyridine, which is capable of reducing unit consumption, reducing separation cost, and improving safety compared to the prior art.Type: GrantFiled: December 5, 2018Date of Patent: November 30, 2021Assignees: Zhejiang Lantian Environmental Protection Hi-Tech Co., Ltd., Zhejiang Research Institute of Chemical Industry Co., Ltd., Sinochem Lantian Co., Ltd.Inventors: Wanjin Yu, Shengda Lin, Minyang Liu, Wucan Liu, Jianjun Zhang, Xianjin Chen
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Patent number: 11136483Abstract: Disclosed is an environmentally friendly near-azeotropic mixed refrigerant, consisting essentially of HFO-1234 yf, HFE-143a and a third component, with the mass percentage of each component being: 70%-98% of HFO-1234yf, 1%-15% of HFE-143a and 1%-15% of the third component. The refrigerant of the present invention is environmentally friendly, excellent in thermodynamic properties, can directly realize drop-in substitution in an original system using HFC-134a without changing any parts, and can be used as a long term alternative to HFC-134a.Type: GrantFiled: July 9, 2020Date of Patent: October 5, 2021Assignees: ZHEJIANG LANTIAN ENVIRONMENTAL PROTECTION HI-TECH CO., LTD., SINOCHEM LANTIAN CO., LTD.Inventors: Zhikai Guo, Pinzan Xie, Xiaoqing Fang
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Patent number: 11104648Abstract: A pyrazole derivative having the following formula stru-1: The pyrazole derivative is used for prevention and control of pests.Type: GrantFiled: May 22, 2018Date of Patent: August 31, 2021Assignees: ZHEJIANG RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CO., LTD., SINOCHEM LANTIAN CO., LTD.Inventors: Tianming Xu, Jiahua Xing, Liangkun Zhong, Dongsong Hu, Youchang Wei, Hongying Huang, Jiping Yu, Weili Peng
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Patent number: 10953256Abstract: Disclosed is a composition comprising: (A) at least one fluorine-containing ketone; and (B) an effective amount of stabilizer which is selected from at least one of the group consisting of an epoxy compound, a nitro compound, a hindered phenolic compound, a ?-diketone compound, a phosphite compound, a salicylate compound, a cinnamate compound, a hydroxybenzophenone compound, a hydroxybenzoic acid compound, an alkoxy methane compound, and an organic thio compound. The composition provided by the present invention has stable performance, and can be used as a fire extinguishing agent, a heat transfer medium, etc.Type: GrantFiled: March 16, 2018Date of Patent: March 23, 2021Assignees: Sinochem Lantian Co., Ltd, ZHEJIANG RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CO., LTDInventors: Hang Ni, Xia Luo
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Patent number: 10752819Abstract: Disclosed is an environmentally friendly near-azeotropic mixed refrigerant, consisting essentially of HFO-1234 yf, HFE-143a and a third component, with the mass percentage of each component being: 70%-98% of HFO-1234yf, 1%-15% of HFE-143a and 1%-15% of the third component. The refrigerant of the present invention is environmentally friendly, excellent in thermodynamic properties, can directly realize drop-in substitution in an original system using HFC-134a without changing any parts, and can be used as a long term alternative to HFC-134a.Type: GrantFiled: December 11, 2018Date of Patent: August 25, 2020Assignees: Zhejiang Lantian Environmental Protection Hi-Tech Co., Ltd., Sinochem Lantian Co., Ltd.Inventors: Zhikai Guo, Pinzan Xie, Xiaoqing Fang
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Publication number: 20180200553Abstract: Disclosed is a composition comprising: (A) at least one fluorine-containing ketone; and (B) an effective amount of stabilizer which is selected from at least one of the group consisting of an epoxy compound, a nitro compound, a hindered phenolic compound, a ?-diketone compound, a phosphite compound, a salicylate compound, a cinnamate compound, a hydroxybenzophenone compound, a hydroxybenzoic acid compound, an alkoxy methane compound, and an organic thio compound, The composition provided by the present invention has stable performance, and can be used as a fire extinguishing agent, a heat transfer medium, etc.Type: ApplicationFiled: March 16, 2018Publication date: July 19, 2018Applicants: Sinochem Lantian Co., Ltd, ZHEJIANG RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CO., LTDInventors: Hang Ni, Xia Luo
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Patent number: 9458070Abstract: Disclosed is an HFO-1234ze preparation process. The present invention is realized by loading two fluorination catalysts into the same reactor, and controlling the temperature in each section. The preparation process of the present invention is of moderate reaction condition, stable catalyst activity, and simple process.Type: GrantFiled: December 17, 2013Date of Patent: October 4, 2016Assignees: SINOCHEM MODERN ENVIRONMENTAL PROTECTION CHEMICALS (XI'AN) CO., LTD., Sinochem Lantian Co., Ltd.Inventors: Lei Xu, Gang Yang, Huie Yang, Shukang Chen, Zhixia Zhao
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Patent number: 9233897Abstract: Disclosed is an HFO-1234ze and HFC-245fa co-production preparation method. The HFO-1234ze and HFC-245fa are prepared through a two-stage gas phase fluorination reaction by using 1,1,1,3,3-pentachloropropane (HCC-240fa) as a raw material. With the processing method of the present invention, HFO-1234ze and HFC-245fa can be prepared at the same time, and the alkene is unlikely to polymerize or carbonize during the reaction, thus being suitable for industrialized promotion.Type: GrantFiled: December 17, 2013Date of Patent: January 12, 2016Assignees: SINOCHEM MODERN ENVIRONMENTAL PROTECTION CHEMICALS (XI'AN) CO., LTD., SINOCHEM LANTIAN CO., LTD.Inventors: Gang Yang, Huie Yang, Lei Xu, Hua Chai, Xintang Zhao, Wenqing Zhang, Changhua Zeng, Jianping Fan, Shaohua Yan, Kunfeng Liu, Zhong Li, Shukang Chen
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Publication number: 20150321979Abstract: Disclosed is an HFO-1234ze and HFC-245fa co-production preparation method. The HFO-1234ze and HFC-245fa are prepared through a two-stage gas phase fluorination reaction by using 1,1,1,3,3-pentachloropropane (HCC-240fa) as a raw material. With the processing method of the present invention, HFO-1234ze and HFC-245fa can be prepared at the same time, and the alkene is unlikely to polymerize or carbonize during the reaction, thus being suitable for industrialized promotion.Type: ApplicationFiled: December 17, 2013Publication date: November 12, 2015Applicants: SINOCHEM MODERN ENVIRONMENTAL PROTECTION CHEMICALS (XI'AN) CO., LTD., SINOCHEM LANTIAN CO., LTD.Inventors: Gang Yang, Huie Yang, Lei Xu, Hua Chai, Xintang Zhao, Wenqing Zhang, Changhua Zeng, Jianping Fan, Shaohua Yan, Kunfeng Liu, Zhong Li, Shukang Chen
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Publication number: 20150307420Abstract: Disclosed is an HFO-1234ze preparation process. The present invention is realized by loading two fluorination catalysts into the same reactor, and controlling the temperature in each section. The preparation process of the present invention is of moderate reaction condition, stable catalyst activity, and simple process.Type: ApplicationFiled: December 17, 2013Publication date: October 29, 2015Applicants: Sinochem Lantian Co., Ltd., SINOCHEM MODERN ENVIRONMENTAL PROTECTION CHIMICALS (XI'AN) CO., LTD.Inventors: Lei Xu, Gang Yang, Huie Yang, Shukang Chen, Zhixia Zhao
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Patent number: 9115042Abstract: Provided are a fluorination catalyst for preparing 2,3,3,3-tetrafluoropropene and a method using the catalyst for preparing 2,3,3,3-tetrafluoropropene. The catalyst has the following structural formula: Crx(Y,Z)0.005-0.5O0.1-1.0F1.0-3.0, where Y is one or a combination of two or more among Al, Zn, and Mg, and where Z is a rare earth element having an oxygen-storing/releasing function. The catalyst has in preparing 2,3,3,3-tetrafluoropropene the advantages of increased raw material conversion rate, great product selectivity, and extended catalyst service life.Type: GrantFiled: September 11, 2012Date of Patent: August 25, 2015Assignees: SINOCHEM LANTIAN CO., LTD., SINOCHEM MODERN ENVIRONMENTAL PROTECTION CHEMICALS (XI'AN) CO., LTD.Inventors: Gang Yang, Lei Xu, Huie Yang, En Jiang, Jianping Fan, Xintang Zhao, Changhua Zeng, Wenqing Zhang, Yunlong Lei, Zhong Li, Shukang Chen
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Publication number: 20140350312Abstract: Provided are a fluorination catalyst for preparing 2,3,3,3-tetrafluoropropene and a method using the catalyst for preparing 2,3,3,3-tetrafluoropropene. The catalyst has the following structural formula: Crx(Y,Z)0.005-0.5O0.1-10F1.0-3.0, where Y is one or a combination of two or more among Al, Zn, and Mg, and where Z is a rare earth element having an oxygen-storing/releasing function. The catalyst has in preparing 2,3,3,3-tetrafluoropropene the advantages of increased raw material conversion rate, great product selectivity, and extended catalyst service life.Type: ApplicationFiled: September 11, 2012Publication date: November 27, 2014Applicant: SINOCHEM LANTIAN CO., LTD.Inventors: Gang Yang, Lei Xu, Huie Yang, En Jiang, Jianping Fan, Xintang Zhao, Changhua Zeng, Wenqing Zhang, Yunlong Lei, Zhong Li, Shukang Chen