BR9807639B1 - processo para purificação de p-nitro-éter difenìlicos substituìdos. - Google Patents
processo para purificação de p-nitro-éter difenìlicos substituìdos.Info
- Publication number
- BR9807639B1 BR9807639B1 BRPI9807639-6A BR9807639A BR9807639B1 BR 9807639 B1 BR9807639 B1 BR 9807639B1 BR 9807639 A BR9807639 A BR 9807639A BR 9807639 B1 BR9807639 B1 BR 9807639B1
- Authority
- BR
- Brazil
- Prior art keywords
- nitroethers
- purification
- substituted diphenyl
- diphenyl
- substituted
- Prior art date
Links
- 235000010290 biphenyl Nutrition 0.000 title 1
- 239000004305 biphenyl Substances 0.000 title 1
- 125000006267 biphenyl group Chemical group 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/42—Separation; Purification; Stabilisation; Use of additives
- C07C303/44—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/16—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/816,930 US5910604A (en) | 1995-09-13 | 1997-03-13 | Purification process |
PCT/GB1998/000577 WO1998040347A1 (en) | 1997-03-13 | 1998-02-24 | Process for the purification of substituted p-nitrodiphenylethers |
Publications (2)
Publication Number | Publication Date |
---|---|
BR9807639A BR9807639A (pt) | 2000-02-22 |
BR9807639B1 true BR9807639B1 (pt) | 2009-12-01 |
Family
ID=25221965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI9807639-6A BR9807639B1 (pt) | 1997-03-13 | 1998-02-24 | processo para purificação de p-nitro-éter difenìlicos substituìdos. |
Country Status (21)
Country | Link |
---|---|
US (1) | US5910604A (pt) |
EP (1) | EP0971875B1 (pt) |
JP (1) | JP4318755B2 (pt) |
KR (1) | KR100561201B1 (pt) |
CN (1) | CN1213990C (pt) |
AR (1) | AR012060A1 (pt) |
AT (1) | ATE228496T1 (pt) |
AU (1) | AU6302698A (pt) |
BR (1) | BR9807639B1 (pt) |
CA (1) | CA2281623C (pt) |
DE (1) | DE69809725T2 (pt) |
DK (1) | DK0971875T3 (pt) |
ES (1) | ES2187931T3 (pt) |
GT (1) | GT199800048A (pt) |
HU (1) | HUP0000770A2 (pt) |
ID (1) | ID20049A (pt) |
IL (1) | IL131765A (pt) |
IN (1) | IN187909B (pt) |
TW (1) | TW520352B (pt) |
WO (1) | WO1998040347A1 (pt) |
ZA (1) | ZA981983B (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9930369D0 (en) * | 1999-12-22 | 2000-02-09 | Zeneca Ltd | Chemical process |
CN115093041B (zh) * | 2022-02-22 | 2024-02-13 | 杨自林 | 生产5-氨基-2-硝基三氟甲苯产生的工业废水的资源化处理方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4031131A (en) * | 1975-09-29 | 1977-06-21 | Rohm And Haas Company | Process for preparing phenoxybenzoic acids |
EP0003416B1 (en) * | 1978-01-19 | 1981-08-26 | Imperial Chemical Industries Plc | Diphenyl ether compounds useful as herbicides; methods of using them, processes for preparing them, and herbicidal compositions containing them |
DE3071736D1 (en) * | 1979-06-22 | 1986-10-09 | Rhone Poulenc Agrochimie | Process for preparing 2-nitro-5-(substituted-phenoxy) benzoic acids and salts thereof |
US4405805A (en) * | 1981-07-27 | 1983-09-20 | Rhone-Poulenc, Inc. | Process for recovering and purifying herbicidal phenoxybenzoic acid derivatives |
GB8628109D0 (en) * | 1986-11-25 | 1986-12-31 | Ici Plc | Chemical process |
EP0668260B1 (en) * | 1994-02-17 | 1998-08-12 | Zeneca Limited | Process for phosgenation in the presence of acetonitrile |
US5446197A (en) * | 1994-10-04 | 1995-08-29 | Basf Corporation | Method of purifying acifluorfen |
GB9518704D0 (en) * | 1995-09-13 | 1995-11-15 | Zeneca Ltd | Chemical process |
-
1997
- 1997-03-13 US US08/816,930 patent/US5910604A/en not_active Expired - Lifetime
-
1998
- 1998-02-24 DE DE69809725T patent/DE69809725T2/de not_active Expired - Fee Related
- 1998-02-24 EP EP98907040A patent/EP0971875B1/en not_active Expired - Lifetime
- 1998-02-24 JP JP53932898A patent/JP4318755B2/ja not_active Expired - Fee Related
- 1998-02-24 BR BRPI9807639-6A patent/BR9807639B1/pt not_active IP Right Cessation
- 1998-02-24 HU HU0000770A patent/HUP0000770A2/hu unknown
- 1998-02-24 AT AT98907040T patent/ATE228496T1/de not_active IP Right Cessation
- 1998-02-24 WO PCT/GB1998/000577 patent/WO1998040347A1/en active IP Right Grant
- 1998-02-24 ES ES98907040T patent/ES2187931T3/es not_active Expired - Lifetime
- 1998-02-24 KR KR1019997008267A patent/KR100561201B1/ko not_active IP Right Cessation
- 1998-02-24 IL IL13176598A patent/IL131765A/xx not_active IP Right Cessation
- 1998-02-24 DK DK98907040T patent/DK0971875T3/da active
- 1998-02-24 CA CA002281623A patent/CA2281623C/en not_active Expired - Lifetime
- 1998-02-24 CN CNB988031132A patent/CN1213990C/zh not_active Expired - Lifetime
- 1998-02-24 AU AU63026/98A patent/AU6302698A/en not_active Abandoned
- 1998-03-05 IN IN577DE1998 patent/IN187909B/en unknown
- 1998-03-09 ZA ZA981983A patent/ZA981983B/xx unknown
- 1998-03-12 GT GT199800048A patent/GT199800048A/es unknown
- 1998-03-13 AR ARP980101136A patent/AR012060A1/es active IP Right Grant
- 1998-03-13 ID IDP980367A patent/ID20049A/id unknown
- 1998-04-01 TW TW087104915A patent/TW520352B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU6302698A (en) | 1998-09-29 |
BR9807639A (pt) | 2000-02-22 |
IL131765A (en) | 2003-04-10 |
GT199800048A (es) | 1999-09-03 |
JP4318755B2 (ja) | 2009-08-26 |
EP0971875A1 (en) | 2000-01-19 |
KR100561201B1 (ko) | 2006-03-15 |
IN187909B (pt) | 2002-07-20 |
WO1998040347A1 (en) | 1998-09-17 |
HUP0000770A2 (en) | 2000-07-28 |
ZA981983B (en) | 1998-09-14 |
DK0971875T3 (da) | 2003-03-24 |
CA2281623A1 (en) | 1998-09-17 |
IL131765A0 (en) | 2001-03-19 |
DE69809725T2 (de) | 2003-04-24 |
KR20000076175A (ko) | 2000-12-26 |
AR012060A1 (es) | 2000-09-27 |
CA2281623C (en) | 2007-03-27 |
DE69809725D1 (de) | 2003-01-09 |
CN1249741A (zh) | 2000-04-05 |
ES2187931T3 (es) | 2003-06-16 |
ID20049A (id) | 1998-09-17 |
JP2001514647A (ja) | 2001-09-11 |
US5910604A (en) | 1999-06-08 |
ATE228496T1 (de) | 2002-12-15 |
CN1213990C (zh) | 2005-08-10 |
TW520352B (en) | 2003-02-11 |
EP0971875B1 (en) | 2002-11-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B25D | Requested change of name of applicant approved | ||
B25G | Requested change of headquarter approved | ||
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
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 15/12/2009, OBSERVADAS AS CONDICOES LEGAIS. |
|
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 21A ANUIDADE. |
|
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 2502 DE 18-12-2018 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. |