BR9803437A - Processo para fornecer oxigênio suplementar a uma mistura de reação - Google Patents

Processo para fornecer oxigênio suplementar a uma mistura de reação

Info

Publication number
BR9803437A
BR9803437A BR9803437-5A BR9803437A BR9803437A BR 9803437 A BR9803437 A BR 9803437A BR 9803437 A BR9803437 A BR 9803437A BR 9803437 A BR9803437 A BR 9803437A
Authority
BR
Brazil
Prior art keywords
reaction mixture
oxygen
supplemental oxygen
delivering supplemental
stationary
Prior art date
Application number
BR9803437-5A
Other languages
English (en)
Inventor
Alan Tat Yan Cheng
Original Assignee
Praxair Technology Inc
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=25456283&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9803437(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Praxair Technology Inc filed Critical Praxair Technology Inc
Publication of BR9803437A publication Critical patent/BR9803437A/pt

Links

Classifications

    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B01J19/0066—Stirrers
    • 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
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/02—Feed or outlet devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/2366—Parts; Accessories
    • B01F23/2368—Mixing receptacles, e.g. tanks, vessels or reactors, being completely closed, e.g. hermetically closed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
    • B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
    • B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
    • B01F23/237612—Oxygen
    • 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
    • B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
    • B01J10/002—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor carried out in foam, aerosol or bubbles
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053—Details of the reactor
    • B01J19/006—Baffles
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • B01J19/1806—Stationary reactors having moving elements inside resulting in a turbulent flow of the reactants, such as in centrifugal-type reactors, or having a high Reynolds-number
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
    • C12M27/02—Stirrer or mobile mixing elements
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
    • C12M29/06—Nozzles; Sprayers; Spargers; Diffusers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2336—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer
    • B01F23/23362—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer the gas being introduced under the stirrer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
    • B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
    • B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
    • B01F23/237611—Air
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00761—Details of the reactor
    • B01J2219/00763—Baffles
    • B01J2219/00779—Baffles attached to the stirring means
    • 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
    • Y10S435/00—Chemistry: molecular biology and microbiology
    • Y10S435/818—Aeration or oxygen transfer technique

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Sustainable Development (AREA)
  • Genetics & Genomics (AREA)
  • Biotechnology (AREA)
  • Biomedical Technology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Microbiology (AREA)
  • Dispersion Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)

Abstract

"PROCESSO PARA FORNECER OXIGêNIO SUPLEMENTAR A UMA MISTURA DE REAçãO". Um processo para fornecer de modo eficiente oxigênio suplementar a uma mistura de reação que é oxidada por, ou utiliza diferentemente, ar, no qual a mistura de reação é agitada para gerar um ou mais vórtices estacionários, oxigênio é injetdo dentro do vaso de reação em um vórtice estacionário, e bolhas de ar são circuladas dentro da mistura de reação dentro do vaso de reação e fora do(s) vórtice(s) estacionário(s) dentro do(s) qual(ais) oxigênio é injetado.
BR9803437-5A 1997-09-12 1998-09-11 Processo para fornecer oxigênio suplementar a uma mistura de reação BR9803437A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/928,474 US5939313A (en) 1997-09-12 1997-09-12 Stationary vortex system for direct injection of supplemental reactor oxygen

Publications (1)

Publication Number Publication Date
BR9803437A true BR9803437A (pt) 2000-04-04

Family

ID=25456283

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9803437-5A BR9803437A (pt) 1997-09-12 1998-09-11 Processo para fornecer oxigênio suplementar a uma mistura de reação

Country Status (13)

Country Link
US (1) US5939313A (pt)
EP (1) EP0901812B1 (pt)
JP (1) JP3766550B2 (pt)
KR (1) KR100404610B1 (pt)
CN (1) CN1087968C (pt)
AR (1) AR013484A1 (pt)
BR (1) BR9803437A (pt)
CA (1) CA2247229C (pt)
DE (1) DE69812509T2 (pt)
DK (1) DK0901812T3 (pt)
ES (1) ES2190561T3 (pt)
ID (1) ID22352A (pt)
PT (1) PT901812E (pt)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MXPA01001493A (es) 2000-02-10 2002-08-06 Praxair Technology Inc Metodo para producir producto de dioxido de carbono de alta concentracion.
FR2810992B1 (fr) * 2000-07-03 2002-10-25 Ifremer Procede pour ameliorer le transfert dans une chambre de bioreaction
US6571735B1 (en) * 2000-10-10 2003-06-03 Loy Wilkinson Non-metallic bioreactor and uses
PL205102B1 (pl) 2000-10-19 2010-03-31 Dsm Nv Sposób fermentacji tlenowej
US6589780B2 (en) * 2000-12-15 2003-07-08 Council Of Scientific And Industrial Research Bio-reactor for enhancing the biomass yield of plant organs
FR2826296A1 (fr) * 2001-06-22 2002-12-27 Air Liquide Dispositif de dissolution d'oxygene dans un liquide contenu dans un reacteur, procede de dissolution d'oxygene dans un liquide et procede d'amelioration d'un dispositif de dissolution d'oxygene dans un liquide
US7048262B2 (en) * 2001-11-01 2006-05-23 Praxair Technology, Inc. Method and apparatus for injecting oxygen into fermentation processes
DE10206168A1 (de) * 2002-02-14 2003-08-21 Guehring Joerg Kupplung für mudular aufgebaute Werkzeughalterarme
US8206973B2 (en) 2003-09-04 2012-06-26 Gotohti.Com Inc Automated biological growth and dispensing system
CA2892102A1 (en) * 2003-09-04 2005-03-04 Op-Hygiene Ip Gmbh Method for dispensing fluid and batch process for delivering grease digesting bacteria
EP1701780B8 (en) * 2004-01-07 2014-09-24 Pall Technology UK limited Bioprocessing vessel with integral sparger, and method of its manufacture
DK1773976T4 (da) * 2004-06-04 2020-02-10 Global Life Sciences Solutions Usa Llc Engangsbioreaktorsystemer og -fremgangsmåder
US7563926B2 (en) * 2004-09-02 2009-07-21 Eastman Chemical Company Optimized liquid-phase oxidation
US7692036B2 (en) 2004-11-29 2010-04-06 Eastman Chemical Company Optimized liquid-phase oxidation
US7692037B2 (en) 2004-09-02 2010-04-06 Eastman Chemical Company Optimized liquid-phase oxidation
US7381836B2 (en) 2004-09-02 2008-06-03 Eastman Chemical Company Optimized liquid-phase oxidation
US7568361B2 (en) 2004-09-02 2009-08-04 Eastman Chemical Company Optimized liquid-phase oxidation
US7582793B2 (en) * 2004-09-02 2009-09-01 Eastman Chemical Company Optimized liquid-phase oxidation
US7572936B2 (en) 2004-09-02 2009-08-11 Eastman Chemical Company Optimized liquid-phase oxidation
US7683210B2 (en) 2004-09-02 2010-03-23 Eastman Chemical Company Optimized liquid-phase oxidation
US7507857B2 (en) 2004-09-02 2009-03-24 Eastman Chemical Company Optimized liquid-phase oxidation
US7371894B2 (en) * 2004-09-02 2008-05-13 Eastman Chemical Company Optimized liquid-phase oxidation
US7741515B2 (en) 2004-09-02 2010-06-22 Eastman Chemical Company Optimized liquid-phase oxidation
US7572932B2 (en) * 2004-09-02 2009-08-11 Eastman Chemical Company Optimized liquid-phase oxidation
US7910769B2 (en) 2004-09-02 2011-03-22 Eastman Chemical Company Optimized liquid-phase oxidation
US7504535B2 (en) 2004-09-02 2009-03-17 Eastman Chemical Company Optimized liquid-phase oxidation
US7589231B2 (en) 2004-09-02 2009-09-15 Eastman Chemical Company Optimized liquid-phase oxidation
CA2585479C (en) * 2005-01-26 2013-03-12 Kompogas Ag Fermenter comprising an agitator
US7884232B2 (en) 2005-06-16 2011-02-08 Eastman Chemical Company Optimized liquid-phase oxidation
US7718405B2 (en) * 2005-09-19 2010-05-18 American Air Liquide, Inc. Use of pure oxygen in viscous fermentation processes
US20080261299A1 (en) * 2007-04-23 2008-10-23 Zeikus J Gregory Pneumatic Bioreactor
US7628528B2 (en) * 2005-10-26 2009-12-08 PRS Biotech, Inc. Pneumatic bioreactor
US8790913B2 (en) * 2005-10-26 2014-07-29 Pbs Biotech, Inc. Methods of using pneumatic bioreactors
US7355068B2 (en) * 2006-01-04 2008-04-08 Eastman Chemical Company Oxidation system with internal secondary reactor
DE102006049107A1 (de) 2006-10-13 2008-04-17 H.C. Starck Gmbh Pulverförmige Verbindungen, Verfahren zu deren Herstellung sowie deren Verwendung in elektrochemischen Anwendungen
CN100999458B (zh) * 2007-01-05 2010-08-25 中国石化扬子石油化工有限公司 生产对苯二甲酸的氧化反应器
US7713730B2 (en) * 2007-04-24 2010-05-11 Pbs Biotech, Inc. Pneumatic bioreactor
US9868095B2 (en) 2007-05-02 2018-01-16 Finesse Solutions, Inc. Disposable bioreactor system
EP2279240A2 (en) * 2008-04-25 2011-02-02 PBS Biotech, Inc Bioreactor apparatus
US20110267920A1 (en) * 2010-04-28 2011-11-03 Fina Technology, Inc. Method and Apparatus for Controlling Residence Time Distribution in Continuous Stirred-Tank Reactors
CN102091586A (zh) * 2010-12-27 2011-06-15 广州合成材料研究院有限公司 一种气液相反应器
US9339026B2 (en) 2012-06-14 2016-05-17 Therapeutic Proteins International, LLC Pneumatically agitated and aerated single-use bioreactor
JP5700029B2 (ja) * 2012-12-11 2015-04-15 住友金属鉱山株式会社 硫化水素を含む貧液の処理方法及び処理装置
EP3320079A4 (en) * 2015-07-07 2019-03-27 Xyleco, Inc. DEVICE FOR PROVIDING LARGE GAS VOLUME TO A FERMENTATION BREED
JP7059040B2 (ja) * 2018-02-23 2022-04-25 株式会社荏原製作所 ガス溶解液製造装置
CN111036103B (zh) * 2019-12-27 2022-03-22 安徽海德化工科技有限公司 一种正丁烷与空气混合装置
CN112915932B (zh) * 2021-01-21 2022-03-01 华东理工大学 一种用于气泡发生装置的波瓣混射芯管及气泡发生方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH587915A5 (pt) * 1974-05-28 1977-05-13 Nestle Societe D Assistance Te
US4036699A (en) * 1976-02-02 1977-07-19 Phillips Petroleum Company Fermentation apparatus and method
DE3313382A1 (de) * 1982-04-14 1983-10-27 Takeda Chemical Industries Ltd Gas-fluessigkeit-kontaktiervorrichtung
US4670397A (en) * 1986-02-05 1987-06-02 Phillips Petroleum Company Fermentation apparatus
JPS63283570A (ja) * 1987-05-15 1988-11-21 Daido Sanso Kk 発酵槽
US5356600A (en) * 1990-09-24 1994-10-18 Praxair Technology, Inc. Oxygen enrichment method and system
KR940003917A (ko) * 1992-08-20 1994-03-14 고지마 아끼로 반응 제어방법
JPH08173986A (ja) * 1994-12-21 1996-07-09 Nippon Steel Corp 生物反応リアクターの曝気撹拌方法および装置

Also Published As

Publication number Publication date
ES2190561T3 (es) 2003-08-01
CA2247229A1 (en) 1999-03-12
KR100404610B1 (ko) 2004-04-21
AR013484A1 (es) 2000-12-27
JP3766550B2 (ja) 2006-04-12
PT901812E (pt) 2003-07-31
CN1087968C (zh) 2002-07-24
DK0901812T3 (da) 2003-06-10
CA2247229C (en) 2001-08-28
ID22352A (id) 1999-09-30
US5939313A (en) 1999-08-17
CN1211466A (zh) 1999-03-24
KR19990029712A (ko) 1999-04-26
JPH11209311A (ja) 1999-08-03
EP0901812A1 (en) 1999-03-17
EP0901812B1 (en) 2003-03-26
DE69812509T2 (de) 2003-11-20
DE69812509D1 (de) 2003-04-30

Similar Documents

Publication Publication Date Title
BR9803437A (pt) Processo para fornecer oxigênio suplementar a uma mistura de reação
BR9815136A (pt) Misturador injetor
BR9804239A (pt) Processo de combustão com geração reduzida de no x
BR9810264A (pt) Processo de epoxidação usando catalisadores de prata suportados pré-tratados com cloreto organico
CA2004027A1 (en) Organosiloxane compositions
BR9909070A (pt) Aparelho e método para proporcionar serviços de transação
ES2093622T3 (es) Ranuras de control de la circulacion en un sistema de control de guiñada en un helicoptero.
ES2135966T3 (es) Polimerizacion de olefinas.
BR9913364A (pt) Composição alvejante, processo para alvejar um substrato, e, uso de uma substância orgânica
BR9904954A (pt) Processo e aparelho para produção de dióxido de carbono substancialmente puro a partir de uma alimentação de dióxido de carbono
BR9803750A (pt) Navio redutor de atrito e processo de reduzir a resistência ao atrito superficial.
BR9809317A (pt) Parede de sustentação para sustentar uma contenção e processo para formar a mesma
PT1317921E (pt) Composição farmacêutica sob a forma de gel ou de solução à base de di-hidrotestosterona, seu processo de preparação e suas utilizações
CO5021192A1 (es) Metodo cosmetico para tratar cabello coloreado
EP1024153A4 (en) POLYMER, PROCESS FOR PRODUCING SAID POLYMER AND CURABLE COMPOSITION CONTAINING SAID POLYMER
BR0013912A (pt) Gel branqueador de dentes com um conteúdo de peróxido aumentado
AR031927A1 (es) Composicion blanqueadora que comprende catalizadores de blanqueado por aire en lavanderia
EP0788806A3 (de) Mittel zur Freisetzung von Sauerstoff in Sauerstoffgeneratoren
AR026063A1 (es) Metodo para la preparacion de 5-carboxiftalida.
BR9803343A (pt) Processo e aparelho para produzir ferro diretamente reduzido
BR9914569A (pt) Processo para a oxidação de um composto orgânico contendo pelo menos uma ligação dupla c-c
BR9909820A (pt) Solução aquosa de peróxido de hidrogênio de alta pureza, processo para a preparação da mesma, e, uso da mesma
BR9917253A (pt) Processo para produzir estruturas têxteis com padronagens coloridas, sistema para concretização do processo e estrutura têxtil, produzida de acordo com o processo
ES2152974T3 (es) Composiciones blanqueantes basadas en mezclas de tensioactivos cationicos y no ionicos.
BR9807821A (pt) Processo e arranjo para fornecer ar a uma caldeira de recuperação

Legal Events

Date Code Title Description
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: 20 (VINTE) ANOS CONTADOS A PARTIR DE 11/09/1998, OBSERVADAS AS CONDICOES LEGAIS.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 11.09.2018