BR9508448B1 - métodos de purificação de pentafluoretano. - Google Patents

métodos de purificação de pentafluoretano.

Info

Publication number: BR9508448B1
Authority: BR; Brazil
Prior art keywords: mixture; cfc; hfc; hydrogen chloride; unpurified
Prior art date: 1994-07-29

Application number

BRPI9508448-7A

Other languages

English (en)

Other versions

BR9508448A (pt

Inventor

Satoru Kohno

Takashi Shibanuma

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.)

1994-07-29

Filing date

1995-07-25

Publication date

2011-02-22

1995-07-25 Application filed filed Critical

1997-10-28 Publication of BR9508448A publication Critical patent/BR9508448A/pt

2011-02-22 Publication of BR9508448B1 publication Critical patent/BR9508448B1/pt

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C19/00—Acyclic saturated compounds containing halogen atoms
- C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine
- 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
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/44—Palladium
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/23—Preparation of halogenated hydrocarbons by dehalogenation

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)

BRPI9508448-7A 1994-07-29 1995-07-25 métodos de purificação de pentafluoretano. BR9508448B1 (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP19801994A JP3491702B2 (ja)	1994-07-29	1994-07-29	ペンタフルオロエタンの精製方法
PCT/JP1995/001488 WO1996004226A1 (fr)	1994-07-29	1995-07-25	Procede de purification du pentafluoroethane

Publications (2)

Publication Number	Publication Date
BR9508448A BR9508448A (pt)	1997-10-28
BR9508448B1 true BR9508448B1 (pt)	2011-02-22

Family

ID=16384173

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BRPI9508448-7A BR9508448B1 (pt)	1994-07-29	1995-07-25	métodos de purificação de pentafluoretano.

Country Status (12)

Country	Link
US (1)	US5852223A (pt)
EP (1)	EP0773207B1 (pt)
JP (1)	JP3491702B2 (pt)
KR (1)	KR100232038B1 (pt)
CN (1)	CN1059660C (pt)
AT (1)	ATE193279T1 (pt)
AU (1)	AU679388B2 (pt)
BR (1)	BR9508448B1 (pt)
CA (1)	CA2196194C (pt)
DE (1)	DE69517182T2 (pt)
RU (1)	RU2131407C1 (pt)
WO (1)	WO1996004226A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2752836B1 (fr) *	1996-08-30	1998-10-30	Atochem Elf Sa	Purification du pentafluoroethane
US11274069B2 (en)	2020-08-13	2022-03-15	L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude	Mono-substituted cyclopentadienes and metal cyclopentadienyl complexes and synthesis methods thereof
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
FR3131305B1 (fr) *	2021-12-23	2024-11-01	Arkema France	Procédé de production et de purification du trifluoroéthylène

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1578933A (en) *	1977-05-24	1980-11-12	Ici Ltd	Manufacture of halogenated hydrocarbons
JP2814606B2 (ja) *	1989-09-12	1998-10-27	旭硝子株式会社	ペンタフルオロエタンを製造する方法
JPH0426636A (ja) *	1990-05-22	1992-01-29	Asahi Glass Co Ltd	ハロゲン化炭素の還元方法
EP0651733A1 (en) *	1992-07-22	1995-05-10	Imperial Chemical Industries Plc	Purification of pentafluoroethane

1994
- 1994-07-29 JP JP19801994A patent/JP3491702B2/ja not_active Expired - Fee Related
1995
- 1995-07-25 AU AU30863/95A patent/AU679388B2/en not_active Ceased
- 1995-07-25 AT AT95926503T patent/ATE193279T1/de active
- 1995-07-25 CA CA002196194A patent/CA2196194C/en not_active Expired - Fee Related
- 1995-07-25 WO PCT/JP1995/001488 patent/WO1996004226A1/ja active IP Right Grant
- 1995-07-25 CN CN95194357A patent/CN1059660C/zh not_active Expired - Fee Related
- 1995-07-25 BR BRPI9508448-7A patent/BR9508448B1/pt not_active IP Right Cessation
- 1995-07-25 DE DE69517182T patent/DE69517182T2/de not_active Expired - Fee Related
- 1995-07-25 US US08/776,194 patent/US5852223A/en not_active Expired - Fee Related
- 1995-07-25 KR KR1019970700604A patent/KR100232038B1/ko not_active Expired - Fee Related
- 1995-07-25 RU RU97103332A patent/RU2131407C1/ru not_active IP Right Cessation
- 1995-07-25 EP EP95926503A patent/EP0773207B1/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE69517182T2 (de)	2001-01-25
JP3491702B2 (ja)	2004-01-26
KR100232038B1 (ko)	1999-12-01
EP0773207B1 (en)	2000-05-24
RU2131407C1 (ru)	1999-06-10
BR9508448A (pt)	1997-10-28
JPH0840949A (ja)	1996-02-13
CN1059660C (zh)	2000-12-20
US5852223A (en)	1998-12-22
KR970704652A (ko)	1997-09-06
WO1996004226A1 (fr)	1996-02-15
DE69517182D1 (de)	2000-06-29
AU3086395A (en)	1996-03-04
CN1154099A (zh)	1997-07-09
CA2196194C (en)	2000-04-04
EP0773207A1 (en)	1997-05-14
CA2196194A1 (en)	1996-02-15
ATE193279T1 (de)	2000-06-15
EP0773207A4 (pt)	1997-06-18
AU679388B2 (en)	1997-06-26

Similar Documents

Publication	Publication Date	Title
RU2007212C1 (ru)	1994-02-15	Катализатор для фторирования галогенированных алифатических углеводородов
ATE28853T1 (de)	1987-08-15	Verfahren zur herstellung von 1,1,2,3tetrachloropropen.
ATE139988T1 (de)	1996-07-15	Verfahren zur herstellung von ethylen oder einer mischung von ethylen und vinylchlorid
ATE328856T1 (de)	2006-06-15	Photochlorierung von 1,1,1,3,3-pentafluorpropan
AU7701291A (en)	1991-11-14	A process for the dentrification of waste gases and recovering hno3
ATE149871T1 (de)	1997-03-15	Verfahren zur reinigung von inertgasen
DK457780A (da)	1981-05-01	Fremgangsmaade til fremstilling af 5-carbamyl-10-oxo-10,11-dihydro-5h-dibenz (b,f)azepin samt mellemprodukt til anvendelse derved
EA200200092A1 (ru)	2002-06-27	Способ получения алканов с использованием метана
BR9508448A (pt)	1997-10-28	Métodos de purificação de pentafluoretano
DE69519026D1 (de)	2000-11-09	Verfahren zur herstellung von difluoromethan
ATE175411T1 (de)	1999-01-15	Verfahren zur herstellung von gamma-butyrolacton
DE59203875D1 (de)	1995-11-09	Verfahren zur Herstellung von Pentafluorethan (R 125).
DE69318772D1 (de)	1998-07-02	Verfahren zur Herstellung von 1,1,1-Trifluoro-2-Chloroethan
GR3022805T3 (en)	1997-06-30	Method for purification of ibuprofen comprising mixtures
CA2178599A1 (en)	1995-06-15	Method for producing difluoromethane and 1,1,1,2-tetrafluoroethane
SU1567563A1 (ru)	1990-05-30	Способ дехлорировани 1,1,1-трихлор-2,2-бис-( @ -хлорфенил)этана или 1,1-дихлор-2,2-бис-( @ -хлорфенил)этана
GB1517599A (en)	1978-07-12	Recovery of palladium from spent catalyst material
RU97103332A (ru)	1999-04-27	Способ очистки пентафторэтана
SU1667911A1 (ru)	1991-08-07	Способ очистки отход щих газов от хлористого водорода и хлористого этила
ATE52946T1 (de)	1990-06-15	Verfahren zur stabilisierung von silikalitkatalysatoren.
DE3762808D1 (de)	1990-06-28	Verfahren zur halogenisierung von tea-silikat-katalysatoren.
HUP0004584A2 (hu)	2001-04-28	Eljárás 4-amino-piperidinek tisztítására
WO1997030786A1 (en)	1997-08-28	PALLADIUM CATALYST RECOVERY
DE3768430D1 (de)	1991-04-11	Verfahren zur herstellung von alkylthiochloroformiaten.
RU95112828A (ru)	1997-08-27	Способ обезвреживания хлорсодержащих углеводородов

Legal Events

Date	Code	Title	Description
2002-01-02	FB36	Technical and formal requirements: requirement - article 36 of industrial property law
2003-10-07	FA11	Dismissal: dismissal - article 38, par. 2 of industrial property law
2003-11-04	HKFN	Application deemed withdrawn (deleted)
2007-10-30	B09X	Republication of the decision to grant [chapter 9.1.3 patent gazette]	Free format text: REFERENTE A RPI 1640 DE 11/06/2002.
2011-02-22	B16A	Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]	Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 22/02/2011, OBSERVADAS AS CONDICOES LEGAIS.
2011-07-19	B24C	Patent annual fee: request for for restoration	Free format text: REFERENTE A 14A, 15A E 16A ANUIDADES.
2014-04-22	B24H	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
2020-12-08	B24F	Patent annual fee: publication cancelled	Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2259 DE 22/04/2014 POR TER SIDO INDEVIDA.
2020-12-22	B21F	Lapse acc. art. 78, item iv - on non-payment of the annual fees in time	Free format text: REFERENTE AS 14A, 15A E 16A ANUIDADES.
2021-04-13	B24J	Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)	Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2607 DE 22-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.