FR2322261B1 - - Google Patents
Info
- Publication number
- FR2322261B1 FR2322261B1 FR7625897A FR7625897A FR2322261B1 FR 2322261 B1 FR2322261 B1 FR 2322261B1 FR 7625897 A FR7625897 A FR 7625897A FR 7625897 A FR7625897 A FR 7625897A FR 2322261 B1 FR2322261 B1 FR 2322261B1
- 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
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
- B01J23/38—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
- B01J23/652—Chromium, molybdenum or tungsten
- B01J23/6525—Molybdenum
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2538706A DE2538706C2 (de) | 1975-08-30 | 1975-08-30 | Verfahren zur Reinigung von Autoabgasen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2322261A1 FR2322261A1 (fr) | 1977-03-25 |
| FR2322261B1 true FR2322261B1 (US07608600-20091027-C00054.png) | 1981-01-23 |
Family
ID=5955257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7625897A Granted FR2322261A1 (fr) | 1975-08-30 | 1976-08-25 | Procede d'epuration de gaz d'echappement d'automobiles et catalyseurs pour l'execution de ce procede |
Country Status (8)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5922900B2 (ja) * | 1976-10-29 | 1984-05-29 | 日本碍子株式会社 | 主として内燃機関よりの排気ガス中の酸素分圧測定装置 |
| US4192779A (en) * | 1977-10-19 | 1980-03-11 | Ford Motor Company | Catalyst system and method for increasing the selectivity of a catalyst |
| US4220559A (en) * | 1978-02-14 | 1980-09-02 | Engelhard Minerals & Chemicals Corporation | High temperature-stable catalyst composition |
| JPS583082B2 (ja) * | 1979-03-16 | 1983-01-19 | 北原 孝平 | 道路継目伸縮装置 |
| US4328129A (en) * | 1979-12-14 | 1982-05-04 | Ethyl Corporation | Catalyst for making dimethyl ether and methanol from synthesis gas |
| US4341662A (en) * | 1980-04-11 | 1982-07-27 | Pfefferle William C | Method of catalytically coating low porosity ceramic surfaces |
| JPS58119343A (ja) * | 1982-01-11 | 1983-07-15 | Mitsui Mining & Smelting Co Ltd | 排ガス浄化用触媒の製造方法 |
| GB2259461A (en) * | 1991-09-12 | 1993-03-17 | Ian James Hollingworth | Catalytic converter |
| DE4244712C2 (de) * | 1992-02-14 | 1996-09-05 | Degussa | Beschichtungsdispersion zur Herstellung von kalysefördernden Überzügen auf einem inerten, strukturverstärkenden Körper |
| US5958829A (en) * | 1992-02-14 | 1999-09-28 | Degussa-Huls Aktiengesellschaft | Coating dispersion for exhaust gas catalysts |
| JP4290240B2 (ja) | 1998-05-27 | 2009-07-01 | ジョンソン・マッセイ・ジャパン・インコーポレイテッド | 排気ガス浄化用触媒および排気ガス浄化方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3619127A (en) * | 1966-09-22 | 1971-11-09 | Union Oil Co | Method of purifying automotive exhaust gases |
| GB1390182A (en) * | 1971-03-16 | 1975-04-09 | Johnson Matthey Co Ltd | Catalysis |
| GB1405405A (en) * | 1971-06-25 | 1975-09-10 | Johnson Matthey Co Ltd | Platinum group metal catalysts |
| DE2304831C3 (de) * | 1973-02-01 | 1978-06-22 | Kali-Chemie Ag, 3000 Hannover | Verfahren zur katalytischen Entfernung von Kohlenmonoxid, unverbrannten Kohlenwasserstoffen und Stickoxiden aus Autoabgasen |
-
1975
- 1975-08-30 DE DE2538706A patent/DE2538706C2/de not_active Expired
-
1976
- 1976-08-04 GB GB32381/76A patent/GB1561130A/en not_active Expired
- 1976-08-25 FR FR7625897A patent/FR2322261A1/fr active Granted
- 1976-08-26 IT IT26564/76A patent/IT1076945B/it active
- 1976-08-26 BE BE170080A patent/BE845525A/xx not_active IP Right Cessation
- 1976-08-26 SE SE7609469A patent/SE7609469L/xx not_active Application Discontinuation
- 1976-08-30 US US05/718,512 patent/US4061713A/en not_active Expired - Lifetime
- 1976-08-30 JP JP51103535A patent/JPS5229525A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT1076945B (it) | 1985-04-27 |
| GB1561130A (en) | 1980-02-13 |
| JPS5229525A (en) | 1977-03-05 |
| BE845525A (fr) | 1977-02-28 |
| US4061713A (en) | 1977-12-06 |
| DE2538706A1 (de) | 1977-03-10 |
| SE7609469L (sv) | 1977-03-01 |
| DE2538706C2 (de) | 1984-01-19 |
| FR2322261A1 (fr) | 1977-03-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |