IT1252658B - Procedimento per la depurazione dell'1,1,1-trifluoro-2-fluoroetano - Google Patents

Procedimento per la depurazione dell'1,1,1-trifluoro-2-fluoroetano

Info

Publication number
IT1252658B
IT1252658B ITMI913465A ITMI913465A IT1252658B IT 1252658 B IT1252658 B IT 1252658B IT MI913465 A ITMI913465 A IT MI913465A IT MI913465 A ITMI913465 A IT MI913465A IT 1252658 B IT1252658 B IT 1252658B
Authority
IT
Italy
Prior art keywords
trifluoro
fluoroetano
purification
procedure
cfc
Prior art date
Application number
ITMI913465A
Other languages
English (en)
Inventor
Antonio Masiero
Paolo Cuzzato
Letanzio Bragante
Original Assignee
Ausimont Spa
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=11361424&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1252658(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Publication of ITMI913465A0 publication Critical patent/ITMI913465A0/it
Priority to ITMI913465A priority Critical patent/IT1252658B/it
Application filed by Ausimont Spa filed Critical Ausimont Spa
Priority to DE69209256T priority patent/DE69209256T2/de
Priority to EP92121296A priority patent/EP0548742B1/en
Priority to ES92121296T priority patent/ES2087419T3/es
Priority to JP35754592A priority patent/JP3236383B2/ja
Publication of ITMI913465A1 publication Critical patent/ITMI913465A1/it
Priority to US08/243,066 priority patent/US5475168A/en
Priority to US08/470,758 priority patent/US5563305A/en
Publication of IT1252658B publication Critical patent/IT1252658B/it
Application granted granted Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/38—Separation; Purification; Stabilisation; Use of additives
    • C07C17/395—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification of at least one compound

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)

Abstract

Si depura l'1,1,1-trifluoro-2-fluoroetano (CFC 134a) dall'1,1-difluoro-2-cloroetilene (CFC 1122) facendo reagire una miscela comprendente tali composti con acido fluoridrico, a temperature tra 200 C e 450 C, in presenza di ossido di cromo (Cr2 O3 ) in forma sostanzialmente cristallina.
ITMI913465A 1991-12-23 1991-12-23 Procedimento per la depurazione dell'1,1,1-trifluoro-2-fluoroetano IT1252658B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ITMI913465A IT1252658B (it) 1991-12-23 1991-12-23 Procedimento per la depurazione dell'1,1,1-trifluoro-2-fluoroetano
DE69209256T DE69209256T2 (de) 1991-12-23 1992-12-15 Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan
ES92121296T ES2087419T3 (es) 1991-12-23 1992-12-15 Procedimiento de purificacion de 1,1,1,2-tetrafluoro-etano.
EP92121296A EP0548742B1 (en) 1991-12-23 1992-12-15 Process for purifying 1,1,1,2-tetrafluoroethane
JP35754592A JP3236383B2 (ja) 1991-12-23 1992-12-24 １，１，１−トリフルオロ−２−フルオロエタンの精製方法
US08/243,066 US5475168A (en) 1991-12-23 1994-05-16 Process for purifying 1,1,1-trifluoro-2-fluoroethane
US08/470,758 US5563305A (en) 1991-12-23 1995-06-06 Process for purifying 1,1,1-trifluoro-2-fluoroethane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI913465A IT1252658B (it) 1991-12-23 1991-12-23 Procedimento per la depurazione dell'1,1,1-trifluoro-2-fluoroetano

Publications (3)

Publication Number Publication Date
ITMI913465A0 ITMI913465A0 (it) 1991-12-23
ITMI913465A1 ITMI913465A1 (it) 1993-06-23
IT1252658B true IT1252658B (it) 1995-06-20

Family

ID=11361424

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI913465A IT1252658B (it) 1991-12-23 1991-12-23 Procedimento per la depurazione dell'1,1,1-trifluoro-2-fluoroetano

Country Status (6)

Country Link
US (2) US5475168A (it)
EP (1) EP0548742B1 (it)
JP (1) JP3236383B2 (it)
DE (1) DE69209256T2 (it)
ES (1) ES2087419T3 (it)
IT (1) IT1252658B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07504695A (ja) * 1992-03-03 1995-05-25 ミネソタ・マイニング・アンド・マニュファクチュアリング・カンパニー 研磨用品のための熱硬化性バインダー
FR2694556B1 (fr) 1992-08-05 1994-09-23 Atochem Elf Sa Procédé de purification du 1,1,1,2-tétrafluoroéthane.
ES2105565T3 (es) * 1993-10-13 1997-10-16 Atochem Elf Sa Procedimiento para la purificacion del 1,1,1,2-tetrafluoretano.
FR2711135B1 (fr) * 1993-10-13 1995-11-17 Atochem Elf Sa Procédé de purification du 1,1,1,2-tétrafluoroéthane.
FR2711648B1 (fr) * 1993-10-26 1996-01-05 Atochem Elf Sa Procédé de purification du 1,1,1,2-tétrafluoroéthane.
FR2713633B1 (fr) * 1993-12-09 1996-01-19 Atochem Elf Sa Fluoration en phase gazeuse au moyen de catalyseurs cristallisés.
US5723429A (en) * 1994-03-11 1998-03-03 E. I. Du Pont De Nemours And Company Azeotropic or azeotrope-like compositions of tetrafluoroethane and chlorotetrafluoroethane
FR2736050B1 (fr) 1995-06-29 1997-08-01 Atochem Elf Sa Procede de fabrication du difluoromethane
CA2263711A1 (en) * 1996-09-10 1998-03-19 Imperial Chemical Industries Plc Fluorination catalyst and process
GB9623046D0 (en) * 1996-11-06 1997-01-08 Ncr Int Inc Escrow storage device
IT1303074B1 (it) 1998-05-07 2000-10-23 Ausimont Spa Catalizzatore per la fluorurazione di composti organici alogenati
GB0507139D0 (en) 2005-04-08 2005-05-18 Ineos Fluor Holdings Ltd Catalyst
EP3257832B2 (en) * 2011-01-21 2022-10-19 Arkema France Catalytic gas phase fluorination

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL298215A (it) * 1962-09-26 1900-01-01
GB1307224A (en) * 1969-06-27 1973-02-14 Ici Ltd Chromium oxide catalyst
US3992325A (en) * 1975-09-25 1976-11-16 E. I. Du Pont De Nemours And Company γ-CrOOH fluorination catalysts
US4158675A (en) * 1977-09-23 1979-06-19 Imperial Chemical Industries Limited Manufacture of halogenated compounds
US4129603A (en) * 1978-02-07 1978-12-12 Imperial Chemical Industries Limited Manufacture of halogenated compounds
US5001287A (en) * 1989-02-02 1991-03-19 E. I. Du Pont De Nemours And Company Purification of saturated halocarbons
US4948479A (en) * 1989-06-07 1990-08-14 Atochem North America, Inc. Removal of unsaturated carbon compounds from 1,1-dichloro-1-fluoroethane

Also Published As

Publication number Publication date
EP0548742A1 (en) 1993-06-30
JPH06107573A (ja) 1994-04-19
EP0548742B1 (en) 1996-03-20
ES2087419T3 (es) 1996-07-16
US5563305A (en) 1996-10-08
ITMI913465A0 (it) 1991-12-23
DE69209256T2 (de) 1996-10-31
ITMI913465A1 (it) 1993-06-23
US5475168A (en) 1995-12-12
DE69209256D1 (de) 1996-04-25
JP3236383B2 (ja) 2001-12-10

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961220