FR2231424B1 - - Google Patents

Info

Publication number
FR2231424B1
FR2231424B1 FR7418481A FR7418481A FR2231424B1 FR 2231424 B1 FR2231424 B1 FR 2231424B1 FR 7418481 A FR7418481 A FR 7418481A FR 7418481 A FR7418481 A FR 7418481A FR 2231424 B1 FR2231424 B1 FR 2231424B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7418481A
Other languages
French (fr)
Other versions
FR2231424A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co 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
Priority claimed from US375948A external-priority patent/US3884837A/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of FR2231424A1 publication Critical patent/FR2231424A1/fr
Application granted granted Critical
Publication of FR2231424B1 publication Critical patent/FR2231424B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/32—Manganese, technetium or rhenium
    • B01J23/34—Manganese
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/656—Manganese, technetium or rhenium
    • B01J23/6562—Manganese
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/889—Manganese, technetium or rhenium
    • B01J23/8892—Manganese
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/89—Catalysts 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
    • B01J23/8933—Catalysts 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 also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/8986—Catalysts 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 also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with manganese, technetium or rhenium
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
FR7418481A 1973-05-29 1974-05-28 Expired FR2231424B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36426073A 1973-05-29 1973-05-29
US375948A US3884837A (en) 1973-07-02 1973-07-02 Catalyst containing a perovskite-like manganite

Publications (2)

Publication Number Publication Date
FR2231424A1 FR2231424A1 (en) 1974-12-27
FR2231424B1 true FR2231424B1 (en) 1976-12-24

Family

ID=27002388

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7418481A Expired FR2231424B1 (en) 1973-05-29 1974-05-28

Country Status (7)

Country Link
JP (1) JPS5439277B2 (en)
DE (1) DE2425343B2 (en)
FR (1) FR2231424B1 (en)
GB (1) GB1473951A (en)
IT (1) IT1014234B (en)
NL (1) NL7407129A (en)
SE (1) SE7406976L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5092880A (en) * 1973-12-20 1975-07-24
JPS5187187A (en) * 1975-01-30 1976-07-30 Nissan Motor
CN1004992B (en) * 1986-07-30 1989-08-16 北京工业大学 Rare-earth catalyzer using alloy cellular carrier and its preparation
JP2863567B2 (en) * 1989-10-03 1999-03-03 株式会社リケン Exhaust gas purifying material and exhaust gas purifying method
CN112076757A (en) * 2020-10-02 2020-12-15 武汉纺织大学 Porous LaCoO prepared by acetic acid etching3Process for perovskite catalysts

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4852691A (en) * 1971-10-19 1973-07-24

Also Published As

Publication number Publication date
SE7406976L (en) 1974-12-02
IT1014234B (en) 1977-04-20
NL7407129A (en) 1974-12-03
JPS5027793A (en) 1975-03-22
GB1473951A (en) 1977-05-18
DE2425343C3 (en) 1979-06-13
JPS5439277B2 (en) 1979-11-27
DE2425343B2 (en) 1978-10-26
DE2425343A1 (en) 1975-01-02
FR2231424A1 (en) 1974-12-27

Similar Documents

Publication Publication Date Title
AR201758A1 (en)
AU476761B2 (en)
AU465372B2 (en)
AR201235Q (en)
AR201231Q (en)
AU474593B2 (en)
AU474511B2 (en)
AU474838B2 (en)
AU465453B2 (en)
AU465434B2 (en)
AU471343B2 (en)
AU450229B2 (en)
AU476714B2 (en)
AR201229Q (en)
AU472848B2 (en)
AU466283B2 (en)
AU476696B2 (en)
AR199451A1 (en)
JPS5092880A (en)
AU477823B2 (en)
AU477824B2 (en)
AU461342B2 (en)
AU447540B2 (en)
AR195948A1 (en)
AR195311A1 (en)

Legal Events

Date Code Title Description
ST Notification of lapse