Patents Assigned to FUJIAN YONGJING TECHNOLOGY CO., LTD
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Publication number: 20220372000Abstract: The invention provides a new process for the synthesis of 5-fluoro-3-(difluoromethyl)-5-fluoro-1-methyl-1H-pyrazole-4-carboxylic acid derivatives and the free acid thereof, involving a direct fluorination reaction with a fluorination gas comprising or consisting of elemental fluorine (F2), in a reactor which is resistant to elemental fluorine (F2) and hydrogen fluoride (HF), and wherein in the process as a starting material a difluoromethyl-pyrazole compound dissolved in an inert solvent is subjected to the direct fluorination reaction.Type: ApplicationFiled: December 30, 2021Publication date: November 24, 2022Applicant: Fujian Yongjing Technology Co.,LtdInventors: Weifen LUO, Wenting WU
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Publication number: 20220251007Abstract: The invention relates to a new industrial process for manufacturing of perfluoropen-tane (PFP), and to the manufacture of a novel intermediate compound thereof, as well as to the novel intermediate compound itself and the use thereof in the process for manu-facturing of perfluoropentane (PFP). Accordingly, the invention relates to a process for the manufacture of the compound PFP (perfluoropentane), and/or of the compound perfluorinated 4-methylbutyrolactone, i.e., the precursor or intermediate compound of PFP (perfluoropentane), characterized in that the process comprises direct fluorination reaction with F2 gas as the fluorination agent, and/or from the fluorination reaction with SF4 as the fluorination agent.Type: ApplicationFiled: December 30, 2021Publication date: August 11, 2022Applicant: Fujian Yongjing Technology Co.,LtdInventors: WEIFEN LUO, RONGWEN DING
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Publication number: 20220185756Abstract: The invention relates to a new industrial process for manufacturing of perfluoro(methylvinylether) (PFMVE), and of 1,1,2,2-tetrafluoro-1-(trifluoromethoxy)ethane (TFTFME) (E 227), involving reactions in liquid phase and performing reactions, for example, in a (closed) column reactor or in a microreactor, respectively. The invention also relates to a new industrial process for manufacturing of perfluoro(methyl vinyl ether) (PFMVE) by HF-elimination from the compound 1,1,2,2-tetrafluoro-1-(trifluoromethoxy)ethane (TFTFME) (E 227). The invention also relates to a new industrial process for manufacturing of the compound 1,1,2,2-tetrafluoro-1-(trifluoromethoxy)ethane (TFTFME) (E 227) by selective fluorination of the compound HFE-254 (1,1,2,2-tetrafluoro-1-(methoxy)ethane), i.e., perfluorination of only the CH3O-group (i.e., methoxy-group) of the compound HFE-254 is selectively fluorinated to a CF3O-group (i.e., trifluoromethoxy-group).Type: ApplicationFiled: December 30, 2021Publication date: June 16, 2022Applicant: Fujian Yongjing Technology Co.,LtdInventors: WEIFEN LUO, LVZHOU QIU
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Publication number: 20220177398Abstract: The invention relates to a new industrial process for manufacturing of perfluoro(methylvinylether) (PFMVE), and of 2-fluoro-1,2-dichloro-trifluoro-methoxyethylene (FCTFE), involving reactions in liquid phase and performing reactions in a microreactor. The invention also relates to a new industrial process for manufacturing of perfluoro(methyl vinyl ether) (PFMVE) by fluorination, i.e., perfluorination, of 2-fluoro-1,2-dichloro-trifluoromethoxy-ethylene (FCTFE) with HF (hydrogen fluoride) in the presence of a Lewis acid catalyst, again performing the reaction in liquid phase, and preferably in a microreactor.Type: ApplicationFiled: December 30, 2021Publication date: June 9, 2022Applicant: Fujian Yongjing Technology Co.,LtdInventors: WEIFEN LUO, LVZHOU QIU, RONGWEN DING
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Publication number: 20220144730Abstract: The present invention pertains to a novel process of manufacturing the compound 2,3,3,3-tetrafluoropropene (1234yf). The compound 1234yf is the newest refrigerant with zero OPD (Ozone Depleting Potential) and zero GWP (Global Warming Potential). Thus, the invention relates to a process, involving a carbene generation route, for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), of the compound 243db (2,3-dichloro-1,1,1-trifluoropropane), and optionally of the compound 2-chloro-1,1,1-trifluoropropene (1233xf) via carbene route and compound 243db (2,3-dichloro-1,1,1-trifluoropropane). The invention also relates to a process for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), wherein the compound 243db (2,3-dichloro-1,1,1-trifluoropropane) serves as a starting material, for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf).Type: ApplicationFiled: June 21, 2021Publication date: May 12, 2022Applicant: Fujian Yongjing Technology Co., LtdInventors: Changyue Zhou, Yong Wang
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Publication number: 20220144731Abstract: The present invention pertains to a novel process of manufacturing the compound 2,3,3,3-tetrafluoropropene (1234yf). The compound 1234yf is the newest refrigerant with zero OPD (Ozone Depleting Potential) and zero GWP (Global Warming Potential). Thus, the invention relates to a process, involving a carbene generation route, for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), of the compound 243db (2,3-dichloro-1,1,1-trifluoropropane), and optionally of the compound 2-chloro-1,1,1-trifluoropropene (1233xf) via carbene route and compound 243db (2,3-dichloro-1,1,1-trifluoropropane). The invention also relates to a process for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), wherein the compound 243db (2,3-dichloro-1,1,1-trifluoropropane) serves as a starting material, for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf).Type: ApplicationFiled: June 22, 2021Publication date: May 12, 2022Applicant: Fujian Yongjing Technology Co., LtdInventors: Changyue Zhou, Yong Wang
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Publication number: 20220144729Abstract: The present invention pertains to a novel process of manufacturing the compound 2,3,3,3-tetrafluoropropene (1234yf). The compound 1234yf is the newest refrigerant with zero OPD (Ozone Depleting Potential) and zero GWP (Global Warming Potential). Thus, the invention relates to a process, involving a carbene generation route, for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), of the compound 243db (2,3-dichloro-1,1,1-trifluoropropane), and optionally of the compound 2-chloro-1,1,1-trifluoropropene (1233xf) via carbene route and compound 243db (2,3-dichloro-1,1,1-trifluoropropane). The invention also relates to a process for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), wherein the compound 243db (2,3-dichloro-1,1,1-trifluoropropane) serves as a starting material, for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf).Type: ApplicationFiled: June 21, 2021Publication date: May 12, 2022Applicant: Fujian Yongjing Technology Co., LtdInventors: Changyue Zhou, Yong Wang
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Publication number: 20220135516Abstract: The invention relates to a use of a fluorination gas, and the elemental fluorine (F2) is present in a high concentration, for example, in a concentration of elemental fluorine (F2), especially of equal to much higher than 15 or even 20% by volume, and to a process for the manufacture of a fluorinated compound by direct fluorination employing a fluorination gas, wherein the elemental fluorine (F2) is present in a high concentration. The process of the invention is directed to the manufacture of a fluorinated compound, for the exception of fluorinated benzene, by direct fluorination. Especially the invention is of interest in the preparation of fluorinated organic compounds, final products and as well intermediates, for usage in agro-, pharma-, electronics-, catalyst, solvent and other functional chemical applications. The fluorination process of the invention may be performed batch-wise or in a continuous manner.Type: ApplicationFiled: January 11, 2022Publication date: May 5, 2022Applicant: Fujian Yongjing Technology Co.,LtdInventors: Changyue Zhou, Hongjun DU, Wenting WU
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Publication number: 20210292264Abstract: The invention relates to a new process for the manufacture or synthesis, respectively, of fluorinated benzenes and fluorinated benzophenones, and derivatives thereof, in particular of fluorobenzenes and derivatives thereof. The present invention particularly pertains to a novel environmentally friendly process for the synthesis of fluorinated benzenes and benzophenones as raw materials for the manufacture of polyaryletherketones (PAEKs).Type: ApplicationFiled: April 8, 2021Publication date: September 23, 2021Applicant: Fujian Yongjing Technology Co., LtdInventors: Changyue Zhou, Hongjun DU, Wenting WU
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Publication number: 20210139397Abstract: The present invention pertains to a novel process of manufacturing the compound 2,3,3,3-tetrafluoropropene (1234yf). The compound 1234yf is the newest refrigerant with zero OPD (Ozone Depleting Potential) and zero GWP (Global Warming Potential). Thus, the invention relates to a process, involving a carbene generation route, for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), of the compound 243db (2,3-dichloro-1,1,1-trifluoropropane), and optionally of the compound 2-chloro-1,1,1-trifluoropropene (1233xf) via carbene route and compound 243db (2,3-dichloro-1,1,1-trifluoropropane). The invention also relates to a process for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf), wherein the compound 243db (2,3-dichloro-1,1,1-trifluoropropane) serves as a starting material, for the manufacture of the compound 2,3,3,3-tetrafluoropropene (1234yf).Type: ApplicationFiled: November 12, 2020Publication date: May 13, 2021Applicant: Fujian Yongjing Technology Co., LtdInventors: Changyue Zhou, Yong Wang
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Publication number: 20210061737Abstract: The invention relates to a use of a fluorination gas, and the elemental fluorine (F2) is preferably present in a high concentration, for example, in a concentration of elemental fluorine (F2), especially of equal to much higher than 15% or even 20% by volume, and to a process for the manufacture of a fluorinated benzene derivative starting from benzoic acid derivative by direct fluorination employing a fluorination gas, wherein the elemental fluorine (F2) is preferably present in a high concentration, and subsequent decarboxylation of the benzoic acid hypofluorite derivative obtained by direct fluorination. The process of the invention is also directed to the manufacture of a benzoic acid hypofluorite derivative by direct fluorination of benzoic acid derivative. Especially the invention is of interest in the preparation of fluorinated benzene derivative, final products and as well intermediates, for usage in agro-, pharma-, electronics-, catalyst, solvent and other functional chemical applications.Type: ApplicationFiled: July 8, 2020Publication date: March 4, 2021Applicant: Fujian Yongjing Technology Co., LtdInventors: Changyue Zhou, Hongjun DU, Wenting WU
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Publication number: 20210061734Abstract: The invention relates to process for the manufacture or preparation of fluorinated benzene, in particular monofluorobenzene, in a vapor-phase fluorination process. The process of the invention, for example, can comprise a batch or continuous manufacture or preparation of fluorinated benzene, in particular monofluorobenzene, using hydrogen fluoride (HF) in gas phase as fluorination gas. Also, in this process of the invention, for example, fluorination catalysts are involved.Type: ApplicationFiled: July 8, 2020Publication date: March 4, 2021Applicant: Fujian Yongjing Technology Co., LtdInventors: Changyue Zhou, Yong Wang
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Publication number: 20210061736Abstract: The invention relates to a use of a fluorination gas, the elemental fluorine (F2) is preferably present in a high concentration, e.g. in a concentration of elemental fluorine (F2), especially of equal to much higher than 15% or even 20% by volume (i.e., at least 15% or even 20% by volume), and to a process for the manufacture of a fluorinated benzene starting from benzoic acid by direct fluorination employing a fluorination gas. The elemental fluorine (F2) is preferably present in high concentration, and subsequent decarboxylation of the benzoic acid hypofluorite obtained by direct fluorination. The process of the invention is also directed to the manufacture of benzoic acid hypofluorite by direct fluorination of benzoic acid. Especially the invention is of interest in the preparation of fluorinatedbenzene, final products and as well intermediates, for usage in agro-, pharma-, electronics-, catalyst, solvent and other functional chemical applications.Type: ApplicationFiled: June 20, 2020Publication date: March 4, 2021Applicant: Fujian Yongjing Technology Co., LtdInventors: Changyue Zhou, Hongjun DU, Wenting WU
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Publication number: 20210053913Abstract: The invention relates to a new process for the synthesis of fluorinated conductive salts for lithium ion batteries (Li-ion batteries). The said fluorinated conductive lithium ion (Li-ion) battery salts of interest in the framework of the present inventions synthesis process, for example, are Li-ion salts such as LiFSI (lithium bis-(fluoromethanesulfonlyl) imide), LiTFSI (lithium bis-(trifluormethanesulfonlyl) imide), and LiTFSFI (lithium trifluoromethanesulfonylfluorosulfonyl imide), with the formulas as displayed in the Table I herein below. LiFSI, LiTFSI and LiFSTFSI are the most promising conducting salts for Lithium ion batteries and essential for future electromobility.Type: ApplicationFiled: June 20, 2020Publication date: February 25, 2021Applicant: Fujian Yongjing Technology Co., LtdInventors: Changyue Zhou, Hongjun DU, Wenting WU
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Publication number: 20210053911Abstract: The invention relates to a use of a fluorination gas, and the elemental fluorine (F2) is present in a high concentration, for example, in a concentration of elemental fluorine (F2), especially of equal to much higher than 15 or even 20% by volume, and to a process for the manufacture of a fluorinated compound by direct fluorination employing a fluorination gas, wherein the elemental fluorine (F2) is present in a high concentration. The process of the invention is directed to the manufacture of a fluorinated compound, for the exception of fluorinated benzene, by direct fluorination. Especially the invention is of interest in the preparation of fluorinated organic compounds, final products and as well intermediates, for usage in agro-, pharma-, electronics-, catalyst, solvent and other functional chemical applications. The fluorination process of the invention may be performed batch-wise or in a continuous manner.Type: ApplicationFiled: June 20, 2020Publication date: February 25, 2021Applicant: Fujian Yongjing Technology Co., LtdInventors: Changyue Zhou, Hongjun DU, Wenting WU
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Publication number: 20210053895Abstract: The invention relates to a use of a fluorination gas, wherein the elemental fluorine (F2) is present in a high concentration, for example, in a concentration of elemental fluorine (F2), especially of equal to much higher than 15% or even 20% by volume (i.e., at least 15% or even 20% by volume), and to a process for the manufacture of a fluorinated benzene by direct fluorination employing a fluorination gas, wherein the elemental fluorine (F2) is present in a high concentration. The process of the invention is directed to the manufacture of a fluorinated benzene by direct fluorination. Especially the invention is of interest in the preparation of fluorinated benzene, final products and as well intermediates, for usage in agro-, pharma-, electronics-, catalyst, solvent and other functional chemical applications. The fluorination process of the invention may be performed batch-wise or in a continuous manner. If the process of the invention is performed batch-wise, a column (tower) reactor may be used.Type: ApplicationFiled: June 20, 2020Publication date: February 25, 2021Applicant: Fujian Yongjing Technology Co., LtdInventors: Changyue Zhou, Hongjun DU, Wenting WU
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Publication number: 20210017117Abstract: The invention relates to a new process for the manufacture of fluoroaryl compounds and derivatives thereof, in particular of fluorobenzenes and derivatives thereof, and especially wherein said manufacture relates to an environmentally friendly production of the said compounds. Thus, the present invention overcomes the disadvantages of the prior art processes, and in a surprisingly simple and beneficial manner, and as compared to the prior art processes, in particular, the invention provides a more efficient and energy saving processes, and also provides a more environmentally friendly process, for the manufacture of nuclear fluorinated aromatics, and preferably of nuclear fluorinated fluorobenzenes. Accordingly, in one aspect of the invention, an industrially beneficial process for preparing fluorobenzenes from halobenzene precursors using HF to form hydrogen halide is provided by the present invention.Type: ApplicationFiled: June 20, 2020Publication date: January 21, 2021Applicant: Fujian Yongjing Technology Co., LtdInventors: Hongjun DU, Wenting WU
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Publication number: 20210017118Abstract: The invention relates to a new process for the manufacture of fluoroaryl compounds and derivatives thereof, in particular of fluorobenzenes and derivatives thereof, and especially wherein said manufacture relates to an environmentally friendly production of the said compounds. Thus, the present invention overcomes the disadvantages of the prior art processes, and in a surprisingly simple and beneficial manner, and as compared to the prior art processes, in particular, the invention provides a more efficient and energy saving processes, and also provides a more environmentally friendly process, for the manufacture of nuclear fluorinated aromatics, and preferably of nuclear fluorinated fluorobenzenes. Accordingly, in one aspect of the invention, an industrially beneficial process for preparing fluorobenzenes from halobenzene precursors using HF to form hydrogen halide is provided by the present invention.Type: ApplicationFiled: June 20, 2020Publication date: January 21, 2021Applicant: Fujian Yongjing Technology Co., Ltd.Inventors: Hongjun DU, Wenting WU
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Publication number: 20200262776Abstract: The invention relates to a new process for the manufacture or synthesis, respectively, of fluorinated benzenes and fluorinated benzophenones, and derivatives thereof, in particular of fluorobenzenes and derivatives thereof. The present invention particularly pertains to a novel environmentally friendly process for the synthesis of fluorinated benzenes and benzophenones as raw materials for the manufacture of polyaryletherketones (PAEKs).Type: ApplicationFiled: February 14, 2020Publication date: August 20, 2020Applicant: Fujian Yongjing Technology Co., LtdInventors: Changyue Zhou, Hongjun DU, Wenting WU
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Publication number: 20200262770Abstract: The invention relates to a new process for the manufacture of fluoroaryl compounds and derivatives thereof, in particular of fluorobenzenes and derivatives thereof, and especially wherein said manufacture relates to an environmentally friendly production of the said compounds. Thus, the present invention overcomes the disadvantages of the prior art processes, and in a surprisingly simple and beneficial manner, and as compared to the prior art processes, in particular, the invention provides a more efficient and energy saving processes, and also provides a more environmentally friendly process, for the manufacture of nuclear fluorinated aromatics, and preferably of nuclear fluorinated fluorobenzenes. Accordingly, in one aspect of the invention, an industrially beneficial process for preparing fluorobenzenes from halobenzene precursors using HF to form hydrogen halide is provided by the present invention.Type: ApplicationFiled: July 20, 2019Publication date: August 20, 2020Applicant: Fujian Yongjing Technology Co., Ltd.Inventors: Hongjun DU, Wenting WU