IN171977B - - Google Patents

Info

Publication number
IN171977B
IN171977B IN486/CAL/89A IN486CA1989A IN171977B IN 171977 B IN171977 B IN 171977B IN 486CA1989 A IN486CA1989 A IN 486CA1989A IN 171977 B IN171977 B IN 171977B
Authority
IN
India
Prior art keywords
pentahaloethane
trifluorodichloroethane
tetrafluorochloroethane
pentafluoroethane
minimized
Prior art date
Application number
IN486/CAL/89A
Other languages
English (en)
Inventor
Leo Ernest Manzer
Velliyur Nott Mallikarjuna Rao
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=IN171977(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 IN171977B publication Critical patent/IN171977B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C19/00—Acyclic saturated compounds containing halogen atoms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/22—Halogenating
    • B01J37/26—Fluorinating
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C07C17/206—Preparation 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
IN486/CAL/89A 1988-06-29 1989-06-23 IN171977B (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IN171977B true IN171977B (de) 1993-02-27

Family

ID=22793150

Family Applications (1)

Application Number Title Priority Date Filing Date
IN486/CAL/89A IN171977B (de) 1988-06-29 1989-06-23

Country Status (13)

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

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 (de) * 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
WO1992019576A1 (en) * 1991-05-06 1992-11-12 E.I. Du Pont De Nemours And Company Process for the manufacture of pentafluoroethane
JPH08500277A (ja) * 1992-03-28 1996-01-16 ブリティッシュ・テクノロジー・グループ・リミテッド ハロゲン交換促進用触媒
EP0675096B1 (de) * 1992-12-15 1998-10-14 Daikin Industries, Ltd. Verfahren zur fluorierung von halogenierten kohlenwassenstoffen
FR2700766B1 (fr) * 1993-01-27 1995-03-24 Atochem Elf Sa Procédé de fluoration de perchloréthylène ou du pentachloréthane.
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.
EP0687660B2 (de) † 1993-03-05 2006-05-17 Daikin Industries, Limited Verfahren zur herstellung von 1,1,1,2,2-pentafluoroethan, verfahren zur herstellung von 2,2-dichloro-1,1,1-trifluoroethan und verfahren zur reinigung von 1,1,1,2,2-pentafluoroethan
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
NL171235C (nl) * 1970-06-10 1983-03-01 Montedison Spa Werkwijze voor het bereiden van katalysatoren die in hoofdzaak uit aluminiumfluoride bestaan en werkwijze voor het bereiden van gefluoreerde of gechloorfluoreerde koolwaterstoffen met behulp van een dergelijke katalysator.
NL274474A (de) * 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
ES2080139T5 (es) * 1989-02-03 2003-07-16 Du Pont Preparacion de 1,1,1,2-tetrafluoroetano.

Also Published As

Publication number Publication date
ZA894948B (en) 1991-03-27
GR3007267T3 (de) 1993-07-30
AU3717989A (en) 1990-01-04
RU1817763C (ru) 1993-05-23
DE68904482D1 (de) 1993-03-04
ATE84774T1 (de) 1993-02-15
AU612857B2 (en) 1991-07-18
CN1039013A (zh) 1990-01-24
EP0349298A1 (de) 1990-01-03
JPH0248538A (ja) 1990-02-19
DE68904482T2 (de) 1993-06-03
EP0349298B1 (de) 1993-01-20
ES2053998T3 (es) 1994-08-01
CN1016777B (zh) 1992-05-27
BR8903169A (pt) 1990-02-13
KR900000317A (ko) 1990-01-30

Similar Documents

Publication Publication Date Title
IN171977B (de)
ES8606017A1 (es) Un procedimiento para preparar un tipo mejorado de catalizador de reformacion de zeolita l
AU7701291A (en) A process for the dentrification of waste gases and recovering hno3
ZA95482B (en) Treatment of a chemical
MX9802344A (es) Metodo y aparato para producir bioxido de titanio.
KR860000885A (ko) 용융알칼리 금속염을 사용하여 산소 또는 질소를 회수하는 방법
DE69713034D1 (de) Verfahren zur Herstellung von Wolframcarbid-Teilchen
HUT61960A (en) Catalytic hydrochlorinating system and method for producing vinyl-chloride of acetylene and hydrogen-chloride in presence of said catalytic system
DE3569735D1 (en) Process for the preparation of tetronic acid
ES8602439A1 (es) Un procedimiento para fluorar in situ un catalizador
ES8601841A1 (es) Procedimiento para la obtencion de un ester de alquilo de c2+ primario de un acido carboxilico de alquilo
EP0770588A4 (de) Verfahren zur herstellung von difluoromethan
IN170774B (de)
ZA904036B (en) Process for preparing 1,1-dichloro-1-fluoroethane
DE3585662T (de)
GR3023837T3 (en) Process for the preparation of 1,1,1,2-tetrafluoroethane
PT78738B (en) Process for the manufacture of isobutyryl fluoride
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".
JPS57140309A (en) Manufacture of silicon
AU641019B2 (en) Process for the production of 1,1,1,2-tetrafluoroethane
SE454171B (en) Methylol:alkane prodn.
UA6249A1 (uk) Спосіб очистки стічних вод від дітіонат-іонів