IN171615B - - Google Patents

Info

Publication number
IN171615B
IN171615B IN949/CAL/89A IN949CA1989A IN171615B IN 171615 B IN171615 B IN 171615B IN 949CA1989 A IN949CA1989 A IN 949CA1989A IN 171615 B IN171615 B IN 171615B
Authority
IN
India
Prior art keywords
oxide
substantially dry
saturated
fluorohalohydrocarbon
fluorohalohydrocarbons
Prior art date
Application number
IN949/CAL/89A
Other languages
English (en)
Inventor
Richard Edward Fernandez
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
Application filed by Du Pont filed Critical Du Pont
Publication of IN171615B publication Critical patent/IN171615B/en

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
    • 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)
  • Steroid Compounds (AREA)
  • Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Separation By Low-Temperature Treatments (AREA)
IN949/CAL/89A 1988-11-22 1989-11-16 IN171615B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27506388A 1988-11-22 1988-11-22

Publications (1)

Publication Number Publication Date
IN171615B true IN171615B (de) 1992-11-28

Family

ID=23050738

Family Applications (1)

Application Number Title Priority Date Filing Date
IN949/CAL/89A IN171615B (de) 1988-11-22 1989-11-16

Country Status (14)

Country Link
US (2) US5449846A (de)
EP (1) EP0370688B1 (de)
JP (1) JPH02223534A (de)
CN (1) CN1043118A (de)
AT (1) ATE108429T1 (de)
AU (1) AU626349B2 (de)
BR (1) BR8905864A (de)
CA (1) CA2003039A1 (de)
DE (1) DE68916756D1 (de)
ES (1) ES2056229T3 (de)
IN (1) IN171615B (de)
MX (1) MX170445B (de)
RU (1) RU1836312C (de)
ZA (1) ZA898910B (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5300714A (en) * 1990-05-18 1994-04-05 Minnesota Mining And Manufacturing Company Method of purifying saturated fluoroperhalocarbon liquids
JPH0694427B2 (ja) * 1990-08-13 1994-11-24 セントラル硝子株式会社 １，１―ジクロロ―１―フルオロエタンの精製法
US5189230A (en) * 1990-12-21 1993-02-23 Hoechst Aktiengesellschaft Process for the removal of olefinic impurities from hydrochlorofluorocarbons
JPH0656713A (ja) * 1991-04-27 1994-03-01 Hoechst Ag クロロフルオロ炭化水素の精製方法
DE4115025A1 (de) * 1991-05-08 1992-11-12 Hoechst Ag Verfahren zur entfernung olefinischer verunreinigungen aus 1,1,1,2,3,3,3-heptafluorpropan
DE59304392D1 (de) * 1992-06-13 1996-12-12 Hoechst Ag Verfahren zur Entfernung olefinischer Verunreinigungen aus fluorierten C3-C6-Kohlenwasserstoffen
BE1006432A3 (fr) * 1992-12-02 1994-08-23 Solvay Procede de purification de 1,1-difluoroethane.
JPH06271487A (ja) * 1993-03-22 1994-09-27 Central Glass Co Ltd １，１−ジクロロ−１−フルオロエタンの精製法
US5443742A (en) * 1994-11-07 1995-08-22 Minnesota Mining And Manufacturing Company Purification of stable organic compounds
US5696309A (en) * 1995-04-17 1997-12-09 Laroche Industries, Inc. Purification of halogenated carbon compounds
US5569798A (en) * 1995-04-17 1996-10-29 Laroche Industries, Inc. Chlorination of halogenated carbon compounds for purification purposes
FR2749581B1 (fr) * 1996-06-06 1998-08-14 Atochem Elf Sa Procede de purification d'hydrofluorocarbures satures
FR2754816B1 (fr) * 1996-10-18 1998-12-04 Atochem Elf Sa Procede de purification d'hydrogenochlorofluoroethanes
FR2771737B1 (fr) 1997-12-01 2000-02-04 Solvay Procedes de production et d'epuration de 1,1-difluoroethane et produit ainsi obtenu
BR9913453A (pt) 1998-09-03 2001-07-24 Solvay Fluor & Derivate Purificação de 1,1,1,3,3-pentafluorbutano
EP1317406B2 (de) 2000-08-10 2012-11-14 Solvay Sa Verfahren zur herstellung von einem gereinigten hydrofluoralkan
TW539652B (en) * 2000-09-04 2003-07-01 Tsurumi Soda Kk Material for copper electroplating, method for manufacturing same and copper electroplating method
JP4767422B2 (ja) * 2001-01-15 2011-09-07 昭和電工株式会社 オクタフルオロプロパンの精製方法および製造方法並びにその用途
WO2002055457A2 (en) * 2001-01-15 2002-07-18 Showa Denko K.K. Process for purifying octafluoropropane, process for preparing the same, and use thereof
WO2002055458A2 (en) * 2001-01-15 2002-07-18 Showa Denko Kk Process for purifying octafluorocyclobutane, process for preparing the same, and use thereof
GB0107705D0 (en) 2001-03-28 2001-05-16 Ineos Fluor Ltd Purification of saturated halocarbons
DE10351194B4 (de) * 2003-10-30 2006-07-27 Hadinek, Lutz, Dipl.-Chem. Verfahren zur Reinigung fluorierter Kohlenwasserstoffe
US7696392B2 (en) 2003-11-10 2010-04-13 Showa Denko K.K. Purification method of 1,1-difluoroethane
CN101492344B (zh) * 2008-11-04 2011-09-28 丹阳中超化工有限公司 对氯甲苯提纯工艺
KR20150131272A (ko) 2013-03-15 2015-11-24 허니웰 인터내셔날 인코포레이티드 2,3,3,3-테트라플루오로프로펜 생성물에서 할로겐화 에틸렌 불순물을 제거하는 방법
TWI755352B (zh) * 2014-10-16 2022-02-21 捷克商史波克專業化學杭尼維洛普合股公司 用於製造高純度氯化烷烴的方法
JP6658948B2 (ja) * 2018-08-09 2020-03-04 ダイキン工業株式会社 冷媒を含有する組成物、並びに、その組成物を用いた冷凍方法、冷凍装置の運転方法及び冷凍装置
US12083493B2 (en) 2021-03-04 2024-09-10 American Air Liquide, Inc. Selective adsorption of halocarbon impurities containing cl, br and i in fluorocarbons or hydrofluorocarbons using adsorbent supported metal oxide

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999885A (en) * 1959-09-17 1961-09-12 Du Pont Purification of fluorocarbons
US3696156A (en) * 1970-04-03 1972-10-03 Du Pont Process for purification of fluoroperhalocarbons
GB1362909A (en) * 1972-03-02 1974-08-07 Ici Ltd Purification of inorganic compounds
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
JPS606627A (ja) * 1983-06-06 1985-01-14 イ−・アイ・デユポン・デ・ニモアス・アンド・カンパニ− パ−フルオロアルカンから一酸化炭素を除去する方法
EP0357328A1 (de) * 1988-09-01 1990-03-07 E.I. Du Pont De Nemours And Company Verfahren zur Reinigung von 2,2-Dichlor-1,1,1-trifluorethan
US6555333B1 (en) * 2002-05-14 2003-04-29 Pml Microbiologicals, Inc. Broad spectrum fastidious organism culture medium

Also Published As

Publication number Publication date
US5449846A (en) 1995-09-12
EP0370688A1 (de) 1990-05-30
BR8905864A (pt) 1990-06-19
CA2003039A1 (en) 1990-05-22
RU1836312C (ru) 1993-08-23
AU4540289A (en) 1990-05-31
JPH02223534A (ja) 1990-09-05
EP0370688B1 (de) 1994-07-13
MX170445B (es) 1993-08-23
ES2056229T3 (es) 1994-10-01
AU626349B2 (en) 1992-07-30
US5449845A (en) 1995-09-12
CN1043118A (zh) 1990-06-20
ATE108429T1 (de) 1994-07-15
ZA898910B (en) 1991-07-31
DE68916756D1 (de) 1994-08-18

Similar Documents

Publication Publication Date Title
IN171615B (de)
CA2193855A1 (en) Direct reduction process for iron oxide-containing materials
HUT65138A (en) Process for the production of 17-cyano-androsten-17-(halo-alkyl-sylil-ethers
GB2041410B (en) Use of inert gas in the basic oxygen process to control slopping
DE3569735D1 (en) Process for the preparation of tetronic acid
PH16338A (en) Process for the production of ures grains with improved properties
IN160952B (de)
GR3019932T3 (en) Process for preparing sulfonated paraffins with a larger content of polysulfonated species.
GB8714180D0 (en) Anhydrous crystalline cefadroxil
EP0218150A3 (en) Saccharose-tricarboxylic acid, process for its production and its use
JPS5241451A (en) Biological denitrating method
DE3475703D1 (en) Perfumery compounds and their preparation
HU891437D0 (en) Superconducting composition with bismuth, strontium, copper and oxygen content and process for the production of such composition
JPS5411881A (en) Process for producing dry oxygen enriched air
JPS522807A (en) Process for treatment of blast furnace gas ashes
GB1552573A (en) Process for the oxidation of harmful material in aqueous solution
DE3262974D1 (en) A process of reducing the oxygen content in gas mixtures
JPS5337594A (en) Production of active carbon
Jurmann Process for the Annealing of Steel Annealing Material
FR2486520B1 (de)
Pilkin et al. Dependence of the Retardation of Cutting on the Purity of Cutting Oxygen and the Steel Composition
Beutier et al. Process for Recovering Silver From Sulfate Solutions
JPS52114592A (en) Treatment of tail gas from claus process sulfur recovery unit
JPS5297393A (en) Purification of extracted phosphoric acid
JPS53145565A (en) Production appararus of semiconductor crystals