BR0110477B1 - processo para a destilaÇço fracionÁria contÍnua de misturas que compreendem tetraidrofurano, gama-butirolactona e/ou 1,4-butanodiol para dar pelo menos trÊs fraÇÕes. - Google Patents

processo para a destilaÇço fracionÁria contÍnua de misturas que compreendem tetraidrofurano, gama-butirolactona e/ou 1,4-butanodiol para dar pelo menos trÊs fraÇÕes.

Info

Publication number
BR0110477B1
BR0110477B1 BRPI0110477-2A BR0110477A BR0110477B1 BR 0110477 B1 BR0110477 B1 BR 0110477B1 BR 0110477 A BR0110477 A BR 0110477A BR 0110477 B1 BR0110477 B1 BR 0110477B1
Authority
BR
Brazil
Prior art keywords
butanediol
fractions
tetrahydrofuran
mixtures
give
Prior art date
Application number
BRPI0110477-2A
Other languages
English (en)
Other versions
BR0110477A (pt
Inventor
Gerd Kaibel
Alexander Weck
Ralf-Thomas Ranh
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=7640752&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR0110477(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Publication of BR0110477A publication Critical patent/BR0110477A/pt
Publication of BR0110477B1 publication Critical patent/BR0110477B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/32—Oxygen atoms
    • C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/141—Fractional distillation or use of a fractionation or rectification column where at least one distillation column contains at least one dividing wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
    • B01D3/146—Multiple effect distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/18—Polyhydroxylic acyclic alcohols
    • C07C31/20—Dihydroxylic alcohols
    • C07C31/207—1,4-Butanediol; 1,3-Butanediol; 1,2-Butanediol; 2,3-Butanediol
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • C07D307/06—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
    • C07D307/08—Preparation of tetrahydrofuran
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/09—Plural feed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/20—Power plant

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
BRPI0110477-2A 2000-05-04 2001-05-03 processo para a destilaÇço fracionÁria contÍnua de misturas que compreendem tetraidrofurano, gama-butirolactona e/ou 1,4-butanodiol para dar pelo menos trÊs fraÇÕes. BR0110477B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10021703A DE10021703A1 (de) 2000-05-04 2000-05-04 Verfahren zur destillativen Trennung von Tetrahydrofuran, gamma-Butyrolacton und/oder 1,4-Butandiol enthaltenden Gemischen
PCT/EP2001/004974 WO2001085708A1 (de) 2000-05-04 2001-05-03 Verfahren zur destillativen trennung von tetrahydrofuran, $g(g)-butyrolacton und/oder 1,4-butandiol enthaltenden gemischen

Publications (2)

Publication Number Publication Date
BR0110477A BR0110477A (pt) 2003-04-01
BR0110477B1 true BR0110477B1 (pt) 2013-02-19

Family

ID=7640752

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0110477-2A BR0110477B1 (pt) 2000-05-04 2001-05-03 processo para a destilaÇço fracionÁria contÍnua de misturas que compreendem tetraidrofurano, gama-butirolactona e/ou 1,4-butanodiol para dar pelo menos trÊs fraÇÕes.

Country Status (15)

Country Link
US (1) US6846389B2 (pt)
EP (1) EP1280787B1 (pt)
JP (1) JP2003532720A (pt)
KR (1) KR100752474B1 (pt)
CN (1) CN1229365C (pt)
AT (1) ATE382614T1 (pt)
AU (1) AU2001272391A1 (pt)
BR (1) BR0110477B1 (pt)
DE (2) DE10021703A1 (pt)
ES (1) ES2296770T3 (pt)
MX (1) MXPA02010530A (pt)
MY (1) MY126926A (pt)
SA (1) SA01220097B1 (pt)
TW (1) TW527353B (pt)
WO (1) WO2001085708A1 (pt)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10056841A1 (de) * 2000-11-16 2002-05-23 Basf Ag Verfahren und Vorrichtung zur destillativen Gewinnung von 1,3-Reinbutadien aus 1,3-Rohbutadien
DE10100552A1 (de) * 2001-01-09 2002-07-11 Basf Ag Verfahren und Vorrichtung zur destillativen Aufarbeitung von 1,6-Hexandiol, 1,5-Pentandiol ung Caprolacton
DE10163335A1 (de) * 2001-12-21 2003-07-10 Basf Ag Trennwandkolonne mit ganz oder teilweise dampfförmigen Zulauf und/oder ganz oder teilweise dampfförmiger Seitenentnahme
DE10209632A1 (de) * 2002-03-02 2003-09-11 Basf Ag Verfahren zur destillativen Aufarbeitung von Tetrahydrofuran
DE10209633A1 (de) * 2002-03-02 2003-09-11 Basf Ag Verfahren zur gleichzeitigen Herstellung von Tetrahydrofuran und Pyrrolidonen
EP1371633A1 (en) 2002-06-14 2003-12-17 Bayer Ag Process for the purification of mixtures of toluenediisocyanate incorporating a dividing-wall distillation column
DE10330721A1 (de) * 2003-07-08 2005-01-27 Basf Ag Verfahren zur Gewinnung von Oligomeren des Polytetrahydrofurans oder der Tetrahydrofuran-Copolymere
DE10330934A1 (de) * 2003-07-08 2005-02-17 Basf Ag Isolierung von Citronellal oder Citronellol aus einem Rohgemisch
DE10357715A1 (de) * 2003-12-09 2005-07-14 Basf Ag Verfahren zur Herstellung von definierten Gemischen aus THF, BDO und GBL durch Gasphasenhydierung
DE102004022734A1 (de) * 2004-05-07 2005-12-01 Vinnolit Gmbh & Co. Kg Verfahren zur Destillation von Produktgemischen
KR100626678B1 (ko) * 2004-07-27 2006-09-25 학교법인 동아대학교 분할 벽이 있는 열복합 증류탑 시스템을 이용한 분별증류장치
DE102004040284A1 (de) * 2004-08-19 2006-02-23 Basf Ag Verfahren zur destillativen Abtrennung von Rein-Trioxan
DE102005017125A1 (de) * 2005-04-14 2006-10-19 Cognis Ip Management Gmbh Verfahren zur Herstellung von Cardanol (II)
CN101195608B (zh) * 2006-12-06 2011-05-11 上海焦化有限公司 一种分离四氢呋喃和1，4-丁二醇的方法和装置
US7528290B2 (en) * 2006-12-28 2009-05-05 Uop Llc Apparatuses and methods for separating butene-1 from a mixed C4 feed
JP2010518174A (ja) * 2007-02-15 2010-05-27 ビーエーエスエフ ソシエタス・ヨーロピア 極めて純粋な１，４−ブタンジオールの製造方法
EP2036875A1 (de) * 2007-09-11 2009-03-18 Basf Se Kontinuierliches Verfahren zur Herstellung von Menthol in reiner oder angereicherter Form
JP5599716B2 (ja) * 2007-11-30 2014-10-01 ビーエーエスエフ ソシエタス・ヨーロピア 光学活性ラセミメントールを製造するための方法
KR101191122B1 (ko) 2009-01-20 2012-10-15 주식회사 엘지화학 고순도 노르말 부탄올 생산용 분리벽형 증류탑, 및 노르말 부탄올 증류방법
US8246816B2 (en) * 2009-03-04 2012-08-21 Uop Llc Zone or system for providing one or more streams
CN102459138A (zh) 2009-06-04 2012-05-16 基因组股份公司 分离发酵液成分的方法
KR101236664B1 (ko) * 2009-07-20 2013-02-22 주식회사 엘지화학 에너지 절감형 증류탑 어셈블리
CN101890249A (zh) * 2010-07-22 2010-11-24 蓝仁水 一种三馏分精馏分离的节能工艺方法
US8562792B2 (en) * 2010-10-28 2013-10-22 Uop Llc Vapor and liquid flow control in a dividing wall fractional distillation column
KR101530102B1 (ko) 2010-12-29 2015-06-18 주식회사 엘지화학 네오펜틸글리콜 정제를 위한 분리벽형 증류탑 및 이를 이용한 정제방법
US20140170714A1 (en) 2011-08-10 2014-06-19 Metabolix, Inc. Post process purification for gamma-butyrolactone production
CN102309865B (zh) * 2011-09-08 2014-06-04 中国石油天然气集团公司 聚对苯二甲酸1,3-丙二醇酯连续生产工艺中循环1,3-丙二醇的精制系统
GB201115617D0 (en) 2011-09-09 2011-10-26 Davy Process Techn Ltd Proacess
KR101372617B1 (ko) * 2011-11-11 2014-03-11 주식회사 엘지화학 트리할로실란의 정제 장치
EP2778132A4 (en) * 2011-11-11 2015-08-26 Lg Chemical Ltd DEVICE FOR PURIFYING TRIHALOSILANE
JP5909805B2 (ja) 2011-11-11 2016-04-27 エルジー・ケム・リミテッド トリハロシランの精製装置及び精製方法
CN102816139A (zh) * 2012-07-30 2012-12-12 南通星辰合成材料有限公司 四氢呋喃的提纯工艺
DE102012223367A1 (de) 2012-12-17 2014-06-18 Evonik Industries Ag Aufarbeitung eines CDON/CDOL-Gemisches mittels einer "gelochten" Trennwandkolonne
BR112015016172A2 (pt) * 2013-01-16 2017-07-11 Lg Chemical Ltd dispositivo para preparar alcanol
JP6484565B2 (ja) * 2013-02-11 2019-03-13 ジーティーシー テクノロジー ユーエス， エルエルシー 熱的結合を用いてエネルギー消費を低減するための方法
KR102091679B1 (ko) * 2013-02-21 2020-03-23 쥐티씨 테크놀로지 유에스,엘엘씨 분할된 증류탑을 사용하는 분리 공정
EP3964493B1 (en) 2013-03-15 2024-03-27 Genomatica, Inc. Process and systems for obtaining 1,4-butanediol from fermentation broths
DE102013207282A1 (de) * 2013-04-22 2014-11-06 Wacker Chemie Ag Verfahren und Vorrichtung zur destillativen Trennung eines Drei- oder Mehrkomponentengemisches
WO2014205332A1 (en) * 2013-06-21 2014-12-24 Cargill, Incorporated Dividing wall in ethanol purification process
KR101583146B1 (ko) 2013-07-18 2016-01-07 주식회사 엘지화학 분리벽형 증류탑
CN105555747B (zh) * 2013-08-20 2017-12-19 Lg化学株式会社 用于纯化异丙醇的方法
KR101662896B1 (ko) * 2013-08-20 2016-10-05 주식회사 엘지화학 이소프로필 알코올의 정제 방법
US9975829B2 (en) * 2013-10-23 2018-05-22 Basf Se Method for the preparation of 1,4-butane diol having an APHA color index of less than 30
KR101674660B1 (ko) * 2015-12-07 2016-11-09 동아대학교 산학협력단 추출공정의 부하를 감소시킨 방향족 화합물 분리장치 및 이 장치를 이용한 방향족 화합물의 분리방법
ITUA20161612A1 (it) * 2016-03-14 2017-09-14 Novamont Spa Processo combinato per la produzione di tetraidrofurano e poliesteri comprendenti unità 1,4-butilene dicarbossilato.
RU2754264C2 (ru) * 2016-12-19 2021-08-31 Сабик Глобал Текнолоджис Б.В. Способ разделения линейных альфа-олефинов
US20190389981A1 (en) * 2017-02-01 2019-12-26 Zeon Corporation Production method and production device for polymer
DE102018006707A1 (de) * 2018-08-24 2020-02-27 Julius Montz Gmbh Kolonne mit Trennwand
CN112403013B (zh) * 2020-10-28 2023-01-10 洛阳金达石化有限责任公司 一种粗己烷的精细加工方法
WO2023140986A1 (en) 2022-01-19 2023-07-27 Exxonmobil Chemical Patents Inc. Compositions containing tri-cyclopentadiene and processes for making same
CN115487527B (zh) * 2022-09-30 2024-01-16 东华工程科技股份有限公司 一种精馏分离四氢呋喃和水混合物的单塔装置
CN117085348A (zh) * 2023-10-19 2023-11-21 万华化学集团股份有限公司 用于1,4-丁二醇分离纯化的系统及方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8618890D0 (en) 1986-08-01 1986-09-10 Davy Mckee Ltd Process
US4963479A (en) * 1986-10-07 1990-10-16 Hoechst Celanese Corporation Reagent system for an alpha-amylase assay containing aromatic substituted glycoside
GB8717992D0 (en) 1987-07-29 1987-09-03 Davy Mckee Ltd Process
GB8717993D0 (en) 1987-07-29 1987-09-03 Davy Mckee Ltd Process
DE3870543D1 (de) 1987-08-08 1992-06-04 Basf Ag Verfahren zur herstellung von 1,4-butandiol und/oder tetrahydrofuran.
DE3726805A1 (de) 1987-08-12 1989-02-23 Basf Ag Verfahren zur destillativen reinigung von tetrahydrofuran
US5075153A (en) * 1989-07-24 1991-12-24 Xerox Corporation Coated paper containing a plastic supporting substrate
GB8917864D0 (en) 1989-08-04 1989-09-20 Davy Mckee London Process
DE3938121A1 (de) * 1989-11-16 1991-05-23 Basf Ag Verfahren zur abtrennung von (alpha)-butyrolacton aus gemischen, die bernsteinsaeurediethylester enthalten
DE4205471A1 (de) * 1992-02-22 1993-08-26 Basf Ag Verfahren zur abtrennung von 1,4-butandiol aus hydriergemischen
TW341568B (en) 1995-12-27 1998-10-01 Akzo Nobel Nv Process for manufacturing Gamma-butyrolactone and its use
ZA973972B (en) 1996-05-14 1998-03-23 Kvaerner Process Tech Ltd A process for the production of at least one C4 compound selected from butane-1,4-diol, gamma-butyrolactone and tetrahydrofuran.
ZA973971B (en) 1996-05-15 1998-03-23 Kvaerner Process Tech Ltd A process for the production of at least one C4 compound selected from butane-1,4-diol, gamma-butyrolactone and tetrahydrofuran.

Also Published As

Publication number Publication date
DE50113441D1 (de) 2008-02-14
ES2296770T3 (es) 2008-05-01
US6846389B2 (en) 2005-01-25
EP1280787A1 (de) 2003-02-05
CN1427832A (zh) 2003-07-02
KR100752474B1 (ko) 2007-08-28
BR0110477A (pt) 2003-04-01
CN1229365C (zh) 2005-11-30
MY126926A (en) 2006-10-31
DE10021703A1 (de) 2001-11-08
EP1280787B1 (de) 2008-01-02
TW527353B (en) 2003-04-11
US20030106786A1 (en) 2003-06-12
MXPA02010530A (es) 2003-03-10
AU2001272391A1 (en) 2001-11-20
SA01220097B1 (ar) 2006-09-20
JP2003532720A (ja) 2003-11-05
KR20020094002A (ko) 2002-12-16
ATE382614T1 (de) 2008-01-15
WO2001085708A1 (de) 2001-11-15

Similar Documents

Publication Publication Date Title
BR0110477A (pt) Processo para a destilação fracionária contìnua de misturas que compreendem tetraidrofurano, gama-butirolactona e/ou 1,4-butanodiol para dar pelo menos três frações
BR0112796A (pt) Processo e dispositivo de entrada para a entrada de caracteresde um conjunto de caracteres, especialmente com uma mão
DE69404337T2 (de) Kapazitiver Beschleunigungsmesser mit Schaltung zur Korrektur des störender Einflusses parasitärer Kapazitäten
FR2650379B1 (fr) Appareil de vaporisation-condensation pour double colonne de distillation d'air, et installation de distillation d'air comportant un tel appareil
DE69423168T2 (de) Spaltensuchverfahren für tabellenförmige Dokumente
BR9406970A (pt) Conjunto de coluna de direçao dobrável
DE3586068D1 (de) Fluessigkeitschromatographiesaeule.
BR9407912A (pt) Montagem na columa da direçao
NO930455D0 (no) Dobbelvirkende slagverktoey. operativt brukt sammen med kveilbart arbeidsroer, relatert til oljevirksomheten
DE69407858D1 (de) Stripping von Fuselöl
FR2771018B1 (fr) Distributeur de liquide pour colonne de distillation oscillante, et colonne de distillation correspondante
FR2701682B1 (fr) Ensemble de colonne de direction escamotable en cas de choc.
DE69007922D1 (de) Dynamische Kompensation des Beschleunigungsprogrammes.
BR9005133A (pt) Processo de determinacao da estabilidade de misturas de oleo,incluindo oleo de xisto e de fracoes desses oleos
SG74756A1 (en) Reactive distillation
DE69405849T2 (de) Fahrzeuglenksäulen-Anordnungen
FR2662198B1 (fr) Colonne de vide-ordures.
WO2002069185A3 (en) Organising data in a database
ES2165365T3 (es) Desodorante en barra con acido usnico.
NO942705D0 (no) Anvendelse av insats av destillasjons- eller absorbsjonskolonner i en trefaseseparator, samt separator utstyrt med sådan innsats
FR2708406B1 (fr) Colonne de répartiteur téléphonique.
KR950011773U (ko) 신경제 기둥보의 형틀
KR960022552A (ko) 증류에 의한 지방 알콜 알킬폴리글리코시드 용액의 후처리방법
BR9805086A (pt) Composição endurecedora de óleo, processo para obter a composição e processo de endurecimento de óleo.
DE20108271U1 (de) Universelle Tastatur

Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Free format text: PARA:INT.CI. B01D 3/14; B01D 3/26; C07C 27/28; C07C 29/80; C07C 31/20; C07D 307/08; C07D 307/33

Ipc: B01D 3/14 (2006.01), B01D 3/26 (2006.01), C07C 27/

B07A Application suspended after technical examination (opinion) [chapter 7.1 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 19/02/2013, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time
B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)