ZA894948B - Gass-phase hydrofluorination process - Google Patents

Gass-phase hydrofluorination process

Info

Publication number
ZA894948B
ZA894948B ZA894948A ZA894948A ZA894948B ZA 894948 B ZA894948 B ZA 894948B ZA 894948 A ZA894948 A ZA 894948A ZA 894948 A ZA894948 A ZA 894948A ZA 894948 B ZA894948 B ZA 894948B
Authority
ZA
South Africa
Prior art keywords
gass
hydrofluorination process
phase hydrofluorination
phase
pentahaloethane
Prior art date
Application number
ZA894948A
Other languages
English (en)
Inventor
Leo Ernest Manzer
Ernest Manzer Leo
Velliyur Nott Mallikarjuna Rao
Nott Mallikarjuna Rao Velliyur
Original Assignee
Du Pont
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22793150&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA894948(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Du Pont filed Critical Du Pont
Publication of ZA894948B publication Critical patent/ZA894948B/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/22Halogenating
    • B01J37/26Fluorinating
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C19/00Acyclic saturated compounds containing halogen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/093Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C07C17/206Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
ZA894948A 1988-06-29 1989-06-29 Gass-phase hydrofluorination process ZA894948B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21296488A 1988-06-29 1988-06-29

Publications (1)

Publication Number Publication Date
ZA894948B true ZA894948B (en) 1991-03-27

Family

ID=22793150

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA894948A ZA894948B (en) 1988-06-29 1989-06-29 Gass-phase hydrofluorination process

Country Status (13)

Country Link
EP (1) EP0349298B1 (xx)
JP (1) JPH0248538A (xx)
KR (1) KR900000317A (xx)
CN (1) CN1016777B (xx)
AT (1) ATE84774T1 (xx)
AU (1) AU612857B2 (xx)
BR (1) BR8903169A (xx)
DE (1) DE68904482T2 (xx)
ES (1) ES2053998T3 (xx)
GR (1) GR3007267T3 (xx)
IN (1) IN171977B (xx)
RU (1) RU1817763C (xx)
ZA (1) ZA894948B (xx)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4843181A (en) * 1987-10-22 1989-06-27 E. I. Du Pont De Nemours And Company Process for the manufacture of 1,1,1-trifluorodichloroethane and 1,1,1,2-tetrafluorochloroethane
IN170774B (xx) * 1988-05-23 1992-05-16 Du Pont
FR2661906B1 (fr) * 1990-05-11 1993-10-01 Atochem Procede de fabrication du 1,1,1,2-tetrafluoro-chloroethane et du pentafluoroethane.
US5321170A (en) * 1991-03-20 1994-06-14 E. I. Du Pont De Nemours And Company Process for the manufacture of 1,1,1,2-tetrafluoroethane
US5300710A (en) * 1991-03-20 1994-04-05 E. I. Du Pont De Nemours And Company Process for the manufacture of 2-chloro-1,1,1,2-tetrafluoroethane and pentafluoroethane
US5155082A (en) * 1991-04-12 1992-10-13 Allied-Signal Inc. Catalyst for the manufacture of chlorofluorocarbons, hydrochlorofluorocarbons and hydrofluorocarbons
ZA923274B (en) * 1991-05-06 1993-11-08 Du Pont Process for the manufacture of pentafluoroethane
EP0584282B1 (en) * 1991-05-06 1999-01-20 E.I. Du Pont De Nemours And Company Process for the manufacture of pentafluoroethane
WO1993019845A1 (en) * 1992-03-28 1993-10-14 British Technology Group Ltd Catalyst for promoting halogen exchange
DE69321606T2 (de) * 1992-12-15 1999-04-01 Daikin Industries, Ltd., Osaka Verfahren zur fluorierung von halogenierten kohlenwassenstoffen
FR2700770B1 (fr) * 1993-01-27 1995-03-24 Atochem Elf Sa Procédé de fabrication du 1,1,1,2-tétrafluoro-2-chloroéthane et du pentafluoroéthane.
FR2700766B1 (fr) * 1993-01-27 1995-03-24 Atochem Elf Sa Procédé de fluoration de perchloréthylène ou du pentachloréthane.
WO1994020441A1 (en) 1993-03-05 1994-09-15 Daikin Industries, Ltd. Process for producing 1,1,1,2,2-pentafluoroethane, process for producing 2,2-dichloro-1,1,1-trifluoroethane, and method of purifying 1,1,1,2,2-pentafluoroethane
IT1270959B (it) * 1993-08-13 1997-05-26 Ausimont Spa Processo per la preparazione di pentafluoroetano
JP3558385B2 (ja) * 1994-10-13 2004-08-25 昭和電工株式会社 クロム系フッ素化触媒、及びフッ素化方法
FR2764883B1 (fr) * 1997-06-18 1999-07-16 Atochem Elf Sa Procede de fabrication d'hydrofluoroalcanes
IT201700007565A1 (it) * 2017-01-24 2018-07-24 M E P Macch Elettroniche Piegatrici Spa Apparato e metodo per realizzare una rete metallica
CN108993553A (zh) * 2018-06-11 2018-12-14 浙江衢化氟化学有限公司 一种用于气相氯化生产1,1,1-三氟-2,2-二氯乙烷的催化剂及其制备和使用方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258500A (en) * 1959-08-17 1966-06-28 Du Pont Process for fluorinating halohydro-carbons
GB1307224A (en) * 1969-06-27 1973-02-14 Ici Ltd Chromium oxide catalyst
SE374675B (xx) * 1970-06-10 1975-03-17 Montedison Spa
BE613582A (xx) * 1973-09-24 1900-01-01
US4843181A (en) * 1987-10-22 1989-06-27 E. I. Du Pont De Nemours And Company Process for the manufacture of 1,1,1-trifluorodichloroethane and 1,1,1,2-tetrafluorochloroethane
BR9007059A (pt) * 1989-02-03 1991-11-12 Du Pont Fabricacao de 1,1,1,2-tetrafluor etano

Also Published As

Publication number Publication date
DE68904482T2 (de) 1993-06-03
IN171977B (xx) 1993-02-27
DE68904482D1 (de) 1993-03-04
AU3717989A (en) 1990-01-04
CN1016777B (zh) 1992-05-27
BR8903169A (pt) 1990-02-13
ES2053998T3 (es) 1994-08-01
JPH0248538A (ja) 1990-02-19
CN1039013A (zh) 1990-01-24
KR900000317A (ko) 1990-01-30
EP0349298A1 (en) 1990-01-03
ATE84774T1 (de) 1993-02-15
AU612857B2 (en) 1991-07-18
GR3007267T3 (xx) 1993-07-30
EP0349298B1 (en) 1993-01-20
RU1817763C (ru) 1993-05-23

Similar Documents

Publication Publication Date Title
ZA894948B (en) Gass-phase hydrofluorination process
UA7138A1 (uk) Спосіб одержання 1,1,1-трифтор-2,2-діхлоретана
ES8606017A1 (es) Un procedimiento para preparar un tipo mejorado de catalizador de reformacion de zeolita l
ES8201515A1 (es) Procedimiento para la preparacion de etanos parcialmente fluorados de elevada pureza
AU7701291A (en) A process for the dentrification of waste gases and recovering hno3
AU2979789A (en) Gas-phase reaction of 1,1,1-trifluorochloroethane with hydrogen fluoride to produce 1,1,1,2-tetrafluoroethane
MX9802344A (es) Metodo y aparato para producir bioxido de titanio.
HUT61960A (en) Catalytic hydrochlorinating system and method for producing vinyl-chloride of acetylene and hydrogen-chloride in presence of said catalytic system
AU1489083A (en) Gaseous carburizing of steel
IL74131A0 (en) Process for the preparation of tetronic acid
ES8602439A1 (es) Un procedimiento para fluorar in situ un catalizador
IN170774B (xx)
AU690708B2 (en) Process for producing difluoromethane
ZA904036B (en) Process for preparing 1,1-dichloro-1-fluoroethane
GR3017745T3 (en) Method for the production of pentafluoroethane (R125).
DE3585662T (xx)
GR3023837T3 (en) Process for the preparation of 1,1,1,2-tetrafluoroethane
EP0253527B1 (en) Method for the preparation of carbonyl difluoride
PT78738B (en) Process for the manufacture of isobutyryl fluoride
EP0551838A3 (en) Treatment of the hydrogen fluoride-phase from reaction mixtures
ES2010081A6 (es) Un metodo para la clorodesfenilacion de fenildisilanos.
ES8301831A1 (es) "procedimiento para la preparacion de acido fluorhidrico y co y-o co2 a partir de compuestos organicos fluorados".
AU7839691A (en) Process for the production of 1,1,1,2-tetrafluoroethane
Horz et al. Kinetics of the Reactions of Oxygen, Nitrogen and Hydrocarbons with Alpha-Hafnium at High Temperatures. I.--Experimental Methods--Oxygen and Nitrogen Absorption
RU97104776A (ru) Способ получения пентафторэтана