BRPI0410675A - catalisador para redução de oxigênio - Google Patents

catalisador para redução de oxigênio

Info

Publication number
BRPI0410675A
BRPI0410675A BRPI0410675-0A BRPI0410675A BRPI0410675A BR PI0410675 A BRPI0410675 A BR PI0410675A BR PI0410675 A BRPI0410675 A BR PI0410675A BR PI0410675 A BRPI0410675 A BR PI0410675A
Authority
BR
Brazil
Prior art keywords
oxygen reduction
catalyst
reduction catalyst
oxygen
electrolysis
Prior art date
Application number
BRPI0410675-0A
Other languages
English (en)
Inventor
Andrea F Gulla
Robert J Allen
Emory S De Castro
Original Assignee
De Nora Elettrodi Spa
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
Application filed by De Nora Elettrodi Spa filed Critical De Nora Elettrodi Spa
Publication of BRPI0410675A publication Critical patent/BRPI0410675A/pt
Publication of BRPI0410675B1 publication Critical patent/BRPI0410675B1/pt

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90Selection of catalytic material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/18Carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
    • B01J23/8913Cobalt and noble metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/02Sulfur, selenium or tellurium; Compounds thereof
    • B01J27/04Sulfides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/02Sulfur, selenium or tellurium; Compounds thereof
    • B01J27/04Sulfides
    • B01J27/043Sulfides with iron group metals or platinum group metals
    • B01J27/045Platinum group metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/02Sulfur, selenium or tellurium; Compounds thereof
    • B01J27/04Sulfides
    • B01J27/047Sulfides with chromium, molybdenum, tungsten or polonium
    • B01J27/049Sulfides with chromium, molybdenum, tungsten or polonium with iron group metals or platinum group metals
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00Electrolytic production of inorganic compounds or non-metals
    • C25B1/01Products
    • C25B1/24Halogens or compounds thereof
    • C25B1/26Chlorine; Compounds thereof
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • C25B11/051Electrodes formed of electrocatalysts on a substrate or carrier
    • C25B11/073Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
    • C25B11/075Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of a single catalytic element or catalytic compound
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88Processes of manufacture
    • H01M4/8803Supports for the deposition of the catalytic active composition
    • H01M4/8807Gas diffusion layers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88Processes of manufacture
    • H01M4/8878Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
    • H01M4/8882Heat treatment, e.g. drying, baking
    • H01M4/8885Sintering or firing
    • H01M4/8889Cosintering or cofiring of a catalytic active layer with another type of layer
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90Selection of catalytic material
    • H01M4/9075Catalytic material supported on carriers, e.g. powder carriers
    • H01M4/9083Catalytic material supported on carriers, e.g. powder carriers on carbon or graphite
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90Selection of catalytic material
    • H01M4/92Metals of platinum group
    • H01M4/923Compounds thereof with non-metallic elements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/90Selection of catalytic material
    • H01M4/92Metals of platinum group
    • H01M4/925Metals of platinum group supported on carriers, e.g. powder carriers
    • H01M4/926Metals of platinum group supported on carriers, e.g. powder carriers on carbon or graphite
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/02Details
    • H01M8/0202Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/023Porous and characterised by the material
    • H01M8/0241Composites
    • H01M8/0245Composites in the form of layered or coated products
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/8605Porous electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/86Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88Processes of manufacture
    • H01M4/8825Methods for deposition of the catalytic active composition
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

Abstract

"CATALISADOR PARA REDUçãO DE OXIGêNIO". A presente invenção refere-se a um novo catalisador de sulfeto de rutênio e a elétrodos de difusão de gás que incorporam este último para a redução de oxigênio em eletrolizadores industriais. O catalisador é altamente resistente à corrosão, resultando assim particularmente adequado para o uso em eletrólise de ácido clorídrico aquoso despolarizada com oxigênio.
BRPI0410675-0A 2003-05-27 2004-05-27 "catalisador para redução de oxigênio, elétrodo de difusão de gás, método para produzir o catalisador e método para produzir o eletrodo". BRPI0410675B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US47354303P 2003-05-27 2003-05-27
US60/473,543 2003-05-27
PCT/EP2004/005761 WO2004106591A1 (en) 2003-05-27 2004-05-27 Catalyst for oxygen reduction

Publications (2)

Publication Number Publication Date
BRPI0410675A true BRPI0410675A (pt) 2006-06-20
BRPI0410675B1 BRPI0410675B1 (pt) 2014-11-11

Family

ID=33490617

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0410675-0A BRPI0410675B1 (pt) 2003-05-27 2004-05-27 "catalisador para redução de oxigênio, elétrodo de difusão de gás, método para produzir o catalisador e método para produzir o eletrodo".

Country Status (21)

Country Link
US (2) US7879753B2 (pt)
EP (2) EP2357267B1 (pt)
JP (1) JP4855259B2 (pt)
KR (1) KR101042144B1 (pt)
CN (1) CN1795293B (pt)
AR (1) AR056244A1 (pt)
AU (1) AU2004243570B2 (pt)
BR (1) BRPI0410675B1 (pt)
CA (1) CA2527116C (pt)
DK (1) DK1629140T3 (pt)
ES (2) ES2811039T3 (pt)
HU (1) HUE050197T2 (pt)
MX (1) MXPA05012686A (pt)
MY (1) MY138401A (pt)
PL (1) PL1629140T3 (pt)
PT (1) PT1629140T (pt)
RU (1) RU2350383C2 (pt)
SA (1) SA04250129B1 (pt)
TW (1) TWI313619B (pt)
WO (1) WO2004106591A1 (pt)
ZA (1) ZA200509527B (pt)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6967185B2 (en) * 2004-01-28 2005-11-22 De Nora Elettrodi S.P.A. Synthesis of noble metal, sulphide catalysts in a sulfide ion-free aqueous environment
CN100472858C (zh) * 2005-03-09 2009-03-25 中国科学院大连化学物理研究所 一种质子交换膜燃料电池电催化剂制备方法
CN1325384C (zh) * 2005-03-31 2007-07-11 南京大学 多孔硫化钌纳米球及其制法
CN1325385C (zh) * 2005-03-31 2007-07-11 南京大学 一种硫化钌纳米颗粒的制法
JP4789179B2 (ja) * 2005-09-22 2011-10-12 国立大学法人九州工業大学 電極触媒、および、その製造方法
KR101309159B1 (ko) * 2006-03-08 2013-09-17 삼성에스디아이 주식회사 연료 전지용 캐소드 촉매, 이를 포함하는 연료 전지용막-전극 어셈블리 및 연료 전지 시스템
US9315912B2 (en) 2006-11-29 2016-04-19 Industrie De Nora S.P.A. Carbon-supported metal sulphide catalyst for electrochemical oxygen reduction
TWI429785B (zh) * 2007-02-22 2014-03-11 Industrie De Nora Spa 氧之電化學還原用觸媒及製法和氣體擴散電極
MX337013B (es) * 2011-12-14 2015-12-15 Ct Investig Materiales Avanzados Sc Catalizadores masicos y soportados de sulfuro de rutenio promovido con alta actividad catalitica para reacciones de hidrotratamiento de hidrocarburos y su metodo de obtencion.
MX337012B (es) * 2011-12-14 2015-12-15 Ct Investig Materiales Avanzados Sc Catalizadores masicos y soportados de sulfuro de rutenio no-promovido con alta actividad catalitica para reacciones de hidrotratamiento de hidrocarburos y su metodo de obtenccion.
RU2481418C1 (ru) * 2011-12-16 2013-05-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный университет тонких химических технологий имени М.В. Ломоносова" (МИТХТ) Способ получения растворов метилатов рения
US20130239469A1 (en) * 2012-03-14 2013-09-19 Board Of Regents, The University Of Texas System Photochemical Processes and Compositions for Methane Reforming Using Transition Metal Chalcogenide Photocatalysts
CN103887078A (zh) * 2014-03-04 2014-06-25 成都达艾斯科技有限公司 氧化钌基电极材料的制备方法
US10040050B2 (en) * 2014-10-30 2018-08-07 Toyota Motor Engineering & Manufacturing North America, Inc. Microwave synthesis of cobalt tungstate for use as stable oxygen evolution catalyst
EP3239361B1 (en) * 2014-12-26 2020-12-16 Asahi Kasei Kabushiki Kaisha Electrolysis cathode and manufacturing method therefor, and electrolysis tank
TWI697586B (zh) * 2015-03-30 2020-07-01 義商第諾拉工業公司 包含釋氣電極和多孔性隔膜之總成,鹼水電解槽以及氫氣製法
CN112368073B (zh) * 2018-06-12 2024-04-09 国立研究开发法人科学技术振兴机构 催化剂及其使用方法
CN108823602B (zh) * 2018-07-12 2021-01-15 北京化工大学 一种硫化钌颗粒复合材料、其制备方法及用途
KR102262496B1 (ko) * 2018-12-21 2021-06-07 한화솔루션 주식회사 염소 제조용 산화루테늄 담지 촉매의 제조방법 및 이에 의해 제조된 촉매
CN110327943B (zh) * 2019-07-16 2022-03-15 安徽师范大学 一种Cu-Mo-S复合材料及其制备方法和应用
CN112108146B (zh) * 2020-09-29 2023-08-22 武汉理工大学 一种物相转变的氧化钌及其制备方法、在电解海水制氢中的应用

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3055840A (en) * 1958-01-13 1962-09-25 Engelhard Ind Inc Ruthenium-containing catalysts and methods of making said catalysts and increasing their activity
US3649485A (en) * 1968-10-02 1972-03-14 Ppg Industries Inc Electrolysis of brine using coated carbon anodes
BE789853A (fr) * 1971-10-07 1973-04-09 Hoechst Ag Electrode d'electrochimie a dimensions stables et resistant auxcorrosions
US3840389A (en) * 1972-07-05 1974-10-08 Gulf Research Development Co Process for coating refractory oxides
FR2494133A1 (fr) * 1980-11-17 1982-05-21 Nat Res Dev Catalyseurs de sulfure metallique mixte
US4430253A (en) * 1982-02-11 1984-02-07 Ethyl Corporation Sulfide-modified ruthenium catalyst
JPS59123780A (ja) * 1982-12-28 1984-07-17 Taido Matsumoto 電解用陰極及びその製造方法
US5051389A (en) * 1987-09-16 1991-09-24 Exxon Research And Engineering Company Catalyst composition prepared by vapor depositing onto a carbon support
FR2666336B1 (fr) * 1990-08-29 1994-09-02 Elf Aquitaine Procede de fabrication du thiophene.
FR2678179B1 (fr) * 1991-06-26 1995-01-13 Elf Antar France Catalyseur d'hydroraffinage renfermant des sulfures de ruthenium et d'au moins un autre metal sur un support d'oxydes refractaires et procede d'hydroraffinage mettant en óoeuvre ledit catalyseur.
DE19644628C2 (de) * 1996-10-17 2001-05-23 Hahn Meitner Inst Berlin Gmbh Verfahren zur Herstellung einer inerten Kathode für die selektive Sauerstoffreduktion und Anwendung der hergestellten Kathode
FR2758278B1 (fr) * 1997-01-15 1999-02-19 Inst Francais Du Petrole Catalyseur comprenant un sulfure mixte et utilisation en hydroraffinage et hydroconversion d'hydrocarbures
US5958197A (en) 1998-01-26 1999-09-28 De Nora S.P.A. Catalysts for gas diffusion electrodes
CA2253161A1 (en) * 1998-04-16 1999-10-16 Karl Tze-Tang Chuang Electrochemical oxidation of hydrogen sulfide
US6149782A (en) * 1999-05-27 2000-11-21 De Nora S.P.A Rhodium electrocatalyst and method of preparation
US6402930B1 (en) * 1999-05-27 2002-06-11 De Nora Elettrodi S.P.A. Process for the electrolysis of technical-grade hydrochloric acid contaminated with organic substances using oxygen-consuming cathodes
JP2001325964A (ja) * 2000-05-19 2001-11-22 Ne Chemcat Corp 固体高分子電解質型燃料電池用電極触媒
US20030186109A1 (en) * 2002-03-26 2003-10-02 Wayne Huang Electrode, membrane electrode assembly, fuel cell and method for their production
US7014941B2 (en) * 2002-05-14 2006-03-21 The Governors Of The University Of Alberta Electrode catalyst for H2S fuel cells
US6967185B2 (en) * 2004-01-28 2005-11-22 De Nora Elettrodi S.P.A. Synthesis of noble metal, sulphide catalysts in a sulfide ion-free aqueous environment
KR101320388B1 (ko) * 2006-02-18 2013-10-22 삼성에스디아이 주식회사 탄화수소 개질 촉매, 그 제조방법 및 이를 포함하는연료처리장치

Also Published As

Publication number Publication date
RU2005140659A (ru) 2006-08-10
EP1629140A1 (en) 2006-03-01
US20070219086A1 (en) 2007-09-20
US7879753B2 (en) 2011-02-01
US20040242412A1 (en) 2004-12-02
EP1629140B1 (en) 2020-05-13
WO2004106591A1 (en) 2004-12-09
AU2004243570B2 (en) 2009-07-16
ZA200509527B (en) 2007-03-28
JP2007504950A (ja) 2007-03-08
CA2527116C (en) 2013-03-26
SA04250129B1 (ar) 2010-01-31
PT1629140T (pt) 2020-08-25
EP2357267A1 (en) 2011-08-17
CN1795293A (zh) 2006-06-28
TWI313619B (en) 2009-08-21
EP2357267B1 (en) 2014-08-20
MXPA05012686A (es) 2006-02-08
MY138401A (en) 2009-05-29
ES2522538T3 (es) 2014-11-14
RU2350383C2 (ru) 2009-03-27
CN1795293B (zh) 2010-12-22
AU2004243570A1 (en) 2004-12-09
JP4855259B2 (ja) 2012-01-18
PL1629140T3 (pl) 2020-11-16
AR056244A1 (es) 2007-10-03
DK1629140T3 (da) 2020-08-03
US8372775B2 (en) 2013-02-12
ES2811039T3 (es) 2021-03-10
HUE050197T2 (hu) 2020-11-30
KR20060015311A (ko) 2006-02-16
KR101042144B1 (ko) 2011-06-16
BRPI0410675B1 (pt) 2014-11-11
CA2527116A1 (en) 2004-12-09
TW200425949A (en) 2004-12-01

Similar Documents

Publication Publication Date Title
BRPI0410675A (pt) catalisador para redução de oxigênio
BR0011005A (pt) Eletrocatalisador de ródio e método de preparação
MX2007002355A (es) Revestimiento que contiene paladio para bajo sobrevoltaje con cloro.
ATE455878T1 (de) Hocheffizienter hypochloritanodenüberzug
ATE442901T1 (de) Edelmetallkatalysator für die wasserelektrolyse
BRPI0609711B8 (pt) uso de uma solução aquosa com potencial redutivo oxidativo (orp)
CY1117463T1 (el) Μοναδα μεμβρανης, περιβλημα μοναδας μετρησης πιεσης και μοναδα μετρησης πιεσης
ES2539280T3 (es) Procedimiento de reducción de la expresión génica mediante el uso de codones modificado
BR112012031909A2 (pt) eletrodo para eletrocloração.
PT1042537E (pt) Processo para o tratamento electroquimico de hci gasoso a cloro de alta pureza
AR058502A1 (es) Composiciones azeotropicas que comprenden e - 1,3,3,3 tetrafluoropropeno y fluoruro de hidrogeno y sus usos
FR2839152B1 (fr) Capteur de presion avec une membrane resistant a la corrosion
WO2002063068A3 (en) Electrode coating and its use in the production of chlorate
NO20092411L (no) Karbonstottet metallsulfidkatalysator for elektrokjemisk oksygenreduksjon
ATE497263T1 (de) Membranelektrodenbaugruppe mit verstärkter dichtstruktur
BR0104324A (pt) Catalisador para a hidrogenação de nitrocompostos aromáticos
ATE507001T1 (de) Synthese von edelmetallsulfidkatalysatoren in einer sulfidionenfreien wässrigen umgebung
BR0114165A (pt) Processo para produção eletroquìmica de peróxido de hidrogênio
BR9810076A (pt) Eletrolisador bipolar de membrana de troca iÈnica
BRPI0605654A (pt) composição catalisadora baseada em nìquel
CR9565A (es) Derivados del 4,5-diarilpirrol, su preparacion y su aplicacion en terapeutica
BRPI0409985A (pt) revestimento de ánodo de clorato de morfologia de superfìcie lisa
BR0307249A (pt) Meia-pilha eletroquìmica
UY29328A1 (es) Aleaciones preparadas en base a ti, ru y a1 y su uso en la sentesis de clorato de sodio
DE60201177D1 (de) Elektrokatalytische zusammensetzung für eine sauerstoff-depolarisierte kathode

Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
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 11/11/2014, OBSERVADAS AS CONDICOES LEGAIS.

B25A Requested transfer of rights approved
B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 18A 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 2673 DE 29-03-2022 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.