BR9205137A - Processo para purificar 1,1,1-trifluor-2-fluoretano e seus isomeros - Google Patents
Processo para purificar 1,1,1-trifluor-2-fluoretano e seus isomerosInfo
- Publication number
- BR9205137A BR9205137A BR9205137A BR9205137A BR9205137A BR 9205137 A BR9205137 A BR 9205137A BR 9205137 A BR9205137 A BR 9205137A BR 9205137 A BR9205137 A BR 9205137A BR 9205137 A BR9205137 A BR 9205137A
- Authority
- BR
- Brazil
- Prior art keywords
- fluoretan
- trifluor
- purify
- isomers
- Prior art date
Links
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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI913466A IT1252659B (it) | 1991-12-23 | 1991-12-23 | Procedimento per la depurazione dell'1,1,1-trifluoro-2-fluoroetano e dell'1,1,1-trifluoro-2,2-dicloroetano |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9205137A true BR9205137A (pt) | 1993-06-29 |
Family
ID=11361425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9205137A BR9205137A (pt) | 1991-12-23 | 1992-12-22 | Processo para purificar 1,1,1-trifluor-2-fluoretano e seus isomeros |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5367103A (OSRAM) |
| EP (1) | EP0548744B1 (OSRAM) |
| JP (1) | JP3181735B2 (OSRAM) |
| KR (1) | KR100244058B1 (OSRAM) |
| BR (1) | BR9205137A (OSRAM) |
| CZ (1) | CZ282605B6 (OSRAM) |
| DE (1) | DE69203707T2 (OSRAM) |
| ES (1) | ES2077968T3 (OSRAM) |
| IT (1) | IT1252659B (OSRAM) |
| TW (1) | TW264459B (OSRAM) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0754171B1 (en) * | 1994-04-08 | 2001-03-14 | Imperial Chemical Industries Plc | Process for the purification of pentafluoroethane |
| CA2226673A1 (en) * | 1995-07-14 | 1997-02-06 | Barry Asher Mahler | Distillation processes for removing cfc-115 and hydrofluoric acid from hfc-125 |
| FR2749581B1 (fr) * | 1996-06-06 | 1998-08-14 | Atochem Elf Sa | Procede de purification d'hydrofluorocarbures satures |
| FR2759078B1 (fr) * | 1997-02-04 | 1999-03-05 | Atochem Elf Sa | Purification du chlorotetrafluoroethane par distillation extractive |
| IT1292007B1 (it) | 1997-05-27 | 1999-01-25 | Ausimont Spa | Processo per la preparazione di hcfc-123 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB785974A (en) * | 1944-06-20 | 1957-11-06 | Atomic Energy Authority Uk | Refining of fluorocarbons |
| IT1200806B (it) * | 1985-10-21 | 1989-01-27 | Ausimont Spa | Procedimento per la preparazione di idroalofluoroalcani |
| 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 |
-
1991
- 1991-12-23 IT ITMI913466A patent/IT1252659B/it active IP Right Grant
-
1992
- 1992-12-15 EP EP92121298A patent/EP0548744B1/en not_active Expired - Lifetime
- 1992-12-15 ES ES92121298T patent/ES2077968T3/es not_active Expired - Lifetime
- 1992-12-15 DE DE69203707T patent/DE69203707T2/de not_active Expired - Fee Related
- 1992-12-21 CZ CS923812A patent/CZ282605B6/cs not_active IP Right Cessation
- 1992-12-22 KR KR1019920025119A patent/KR100244058B1/ko not_active Expired - Fee Related
- 1992-12-22 TW TW081110263A patent/TW264459B/zh active
- 1992-12-22 JP JP34272592A patent/JP3181735B2/ja not_active Expired - Fee Related
- 1992-12-22 BR BR9205137A patent/BR9205137A/pt not_active IP Right Cessation
- 1992-12-22 US US07/995,128 patent/US5367103A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR930012656A (ko) | 1993-07-21 |
| IT1252659B (it) | 1995-06-20 |
| ITMI913466A1 (it) | 1993-06-23 |
| EP0548744B1 (en) | 1995-07-26 |
| TW264459B (OSRAM) | 1995-12-01 |
| CZ282605B6 (cs) | 1997-08-13 |
| KR100244058B1 (ko) | 2000-02-01 |
| CZ381292A3 (en) | 1993-07-14 |
| ITMI913466A0 (it) | 1991-12-23 |
| DE69203707T2 (de) | 1996-02-22 |
| ES2077968T3 (es) | 1995-12-01 |
| JPH06116181A (ja) | 1994-04-26 |
| DE69203707D1 (de) | 1995-08-31 |
| EP0548744A1 (en) | 1993-06-30 |
| JP3181735B2 (ja) | 2001-07-03 |
| US5367103A (en) | 1994-11-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BR9302680A (pt) | Processo para hidroformilacao para produzir 1,6-hexanodiais | |
| BR9100220A (pt) | Processo para tornar aspero aluminio | |
| BR9301108A (pt) | Processo para fazer terpolimeros contendo aminoacriloila | |
| BR9205781A (pt) | Composição processo para produzir a composição | |
| BR8907121A (pt) | Processo para preparar polialquilenopoliaminas linearmente estendidas | |
| BR9403317A (pt) | Artigo abrasivo, e, processo para formar o mesmo | |
| BR9205341A (pt) | Processo para gerar coeficiente ótimo de atualizaçao de filtro adaptável | |
| ITMI921488A1 (it) | Granulati, processo per la loro preparazione e loro impiego | |
| BR9205142A (pt) | Composicao inseticida,e,processo para produzi-la | |
| BR9306520A (pt) | Processo e composição para limpeza | |
| BR8902387A (pt) | Processo para manufaturar 1,3-glicois | |
| BR9100978A (pt) | Processos para preparar 1,1,1-trifluorocloroetano e 1,1,1,2-tetrafluoroetano | |
| ES2022053A4 (es) | Proceso para purificar n-fosfonometilglicina | |
| BR8904212A (pt) | Processo para preparar 1,3,5-trinitro-2,4,6-tripicrilbenzeno e composto | |
| MX9203919A (es) | Procedimiento para purificar organopolisiloxanos. | |
| BR9205129A (pt) | Processo para a preparacao de isocianatos puros | |
| BR8907015A (pt) | Processo para produzir 2,6-dietilnaftaleno | |
| BR9200742A (pt) | Processo para produzir i-lisina por fermentacao | |
| BR9205137A (pt) | Processo para purificar 1,1,1-trifluor-2-fluoretano e seus isomeros | |
| BR9510071A (pt) | Processo para produzir nylon | |
| BR8906227A (pt) | Processo para preparar benzeno 3,4-difluoro substituido | |
| BR9407106A (pt) | Processo para produzir microssílica | |
| MX9101145A (es) | Proceso para fabricar arilalquil-y alquilmercaptanos | |
| BR9001110A (pt) | Processo para proteger supercondutores de cuprato | |
| ITMI910319A1 (it) | Processo di dealogenazione di 1, 3-diossolani |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EE | Request for examination | ||
| FF | Decision: intention to grant | ||
| FG9A | Patent or certificate of addition granted | ||
| B24C | Patent annual fee: request for for restoration |
Free format text: REFERENTE A 12A,13A,14A,15A,16A,17A E 18A ANUIDADES. |
|
| B24H | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi) | ||
| B24F | Patent annual fee: publication cancelled |
Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2278 DE 02/09/2014 POR TER SIDO INDEVIDA. |
|
| B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE AS 12A, 13A, 14A, 15A, 16A, 17A E 18A ANUIDADES. |
|
| 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 2606 DE 15-12-2020 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. |