- Method for Producing Trans-1-Chloro-3,3,3-Trifluoropropene
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The present invention provides a method for efficiently producing 1-chloro-3,3,3-trifluoropropene from a low-reactivity intermediate product. More specifically, provided is a method for producing trans-1-chloro-3,3,3-trifluoropropene, characterized by reacting a halogenated C3 hydrocarbon compound represented by the following general formula (1) with hydrogen fluoride in a gas phase in the presence of a solid catalyst and chlorine [in-line-formulae]C3HXClYFZ ??(1)[/in-line-formulae] wherein X is 2 or 3; when X=2, Y is an integer of 1 to 4, Z is an integer of 0 to 3, and Y+Z=4; and, when X=3, Y is an integer of 1 to 5, Z is an integer of 0 to 4, and Y+Z=5; provided that the general formula (1) represents any halogenated C3 hydrocarbon compound other than trans-1-chloro-3,3,3-trifluoropropene.
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Paragraph 0141-0143; 0147
(2019/02/13)
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- PROCESS FOR 1-CHLORO-3,3,3-TRIFLUOROPROPENE FROM TRIFLUOROPROPENE
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The present invention provides routes for making 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd) from commercially available raw materials. More specifically, this invention provides several routes for forming HCFO-1233zd from 3,3,3-trifluoropropene (FC-1234zf).
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Paragraph 0073
(2015/02/25)
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- Compositions
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A composition comprising HCFO-1233xf and at least one additional compound selected from the group consisting of HCFO-1233zd, HCFO-1232xd, HCFO-1223xd, HCFC-253fb, HCFC-233ab, HFO-1234yf, HFO-1234ze, ethylene, HFC-23, CFC-13, HFC-143a, HFC-152a, HFO-1243zf, HFC-236fa, HCO-1130, HCO-1130a, HFO-1336, HCFC-244bb, HCFC-244db, HFC-245fa, HFC-245cb, HCFC-133a, HCFC-254fb, HCFC-1131, HCFO-1242zf, HCFO-1223xd, HCFC-233ab, HCFC-226ba, and HFC-227ca.
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Paragraph 0108
(2013/09/12)
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- PROCESS FOR PREPARING FLUORINE-CONTAINING PROPENES CONTAINING 2,3,3,3-TETRAFLUOROPROPENE AND 1,3,3,3-TETRAFLUOROPROPENE
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The present invention provides a process for preparing fluorine-containing propenes containing 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene, including reacting 1,1,1,3-tetrachloro-3-fluoropropane represented by the formula CCl3CH2CHClF and anhydrous hydrogen fluoride in the gas phase in the presence of a catalyst. The process of the invention produces fluorine-containing propenes containing 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene in an industrially applicable, simple and effective manner.
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Page/Page column 15-16
(2010/09/18)
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- PROCESSES FOR THE PRODUCTION OF FLUOROPROPANES AND HALOPROPENES AND AZEOTROPIC COMPOSITIONS OF 2-CHLORO-3,3,3-TRIFLUORO-1-PROPENE WITH HF AND OF 1,1,1,2,2-PENTAFLUOROPROPANE WITH HF
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A process is disclosed for making CF3CF2CH3, CF3CF=CH2 and/or CF3CCI=CH2. The process involves reacting at least one starting material selected from the group consisting of halopropanes of the formula CX3CHCICH2X, halopropenes of the formula CCIX2CCI=CH2 and halopropenes of the formula CX2=CCICH2X, wherein each X is independently F or Cl, with HF in a reaction zone to produce a product mixture comprising HF, HCI, CF3CF2CH3, CF3CF=CH2 and CFsCCI=CH2; and recovering the CF3CF2CH3, CF3CF=CH2 and/or CFsCCI=CH2 from the product mixture. Also disclosed is a process for making CF3CH2CHF2, CFsCH=CHF and/or CF3CH=CHCI. This process involves reacting at least one starting material selected from the group consisting of halopropanes of the formula CX3CHCICH2X, halopropenes of the formula CX3CCI=CH2 and halopropenes of the formula CX2=CCICH2X, wherein each X is independently F or Cl, with HF in a reaction zone to produce a product mixture comprising HF, HCI, CF3CH2CHF2, CF3CH=CHF and CF3CH=CHCI; and recovering the CF3CH2CHF2, CF3CH=CHF and/or CF3CH=CHCI from the product mixture. Also disclosed is a process for making CF3CF2CH3 and/or CF3CF=CH2- This process involves reacting at least one starting material selected from the group consisting of halopropanes of the formula CX3CHCICH2X, halopropenes of the formula CX3CCI=CH2 and halopropenes of the formula CX2=CCICH2X, wherein each X is independently F or Cl, with HF in a reaction zone to produce a product mixture comprising HF, HCI, CF3CF2CH3 and CF3CF=CH2; and recovering the CF3CF2CH3 and/or CF3CF=CH2 from the product mixture. In each of the processes the molar ratio of HF to total amount of starting material fed to the reaction zone is at least stoichiometric. Also disclosed is an azeotropic composition comprising CF3CCI=CH2, and HF. Also disclosed is an azeotropic composition comprising CF3CF2CH3, and HF.
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Page/Page column 19
(2008/12/05)
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- Process for the preparation of 1,1-dichloro-3,3,3-trifluoropropane
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A convenient and economical process for the preparation of 1,1-dichloro-3,3,3-trifluoropropane (HCFC-243) by the reaction of 1,1,1,3,3-pentachloropropane (HCC-240) with hydrogen fluoride in the presence of an activated hydrofluorination catalyst. Also, the selective fluorination of hydrochlorocarbons and/or hydrochlorofluorocarbons, or mixtures thereof is shown. A HCFC-243 reaction product yield of greater than 40% is obtained.
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Page/Page column 3
(2008/06/13)
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- Process for producing fluoropropenes
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Dehydrohalogenation processes for the preparation of fluoropropenes from corresponding halopropanes, in which the fluoropropenes have the formula CF3CY═CXNHP, wherein X and Y are independently hydrogen or a halogen selected from fluorine, chlorine, bromine and iodine; and N and P are independently integers equal to 0, 1 or 2, provided that (N+P)=2.
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Page/Page column 5
(2008/06/13)
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- Uncatalyzed fluorination of 240fa
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An uncatalyzed process is provided for the fluorination of 240 fa in the presence of a solvent.
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Page column 2
(2008/06/13)
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