FR2185443A1 - - Google Patents
Info
- Publication number
- FR2185443A1 FR2185443A1 FR7318984A FR7318984A FR2185443A1 FR 2185443 A1 FR2185443 A1 FR 2185443A1 FR 7318984 A FR7318984 A FR 7318984A FR 7318984 A FR7318984 A FR 7318984A FR 2185443 A1 FR2185443 A1 FR 2185443A1
- 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.)
- Withdrawn
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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- 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
- B01J23/8993—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 chromium, molybdenum or tungsten
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (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 |
---|---|---|---|
US00256922A US3826758A (en) | 1972-05-25 | 1972-05-25 | Method of preparing exhaust catalyst |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2185443A1 true FR2185443A1 (fr) | 1974-01-04 |
Family
ID=22974156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7318984A Withdrawn FR2185443A1 (fr) | 1972-05-25 | 1973-05-24 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3826758A (fr) |
JP (1) | JPS5062887A (fr) |
DE (1) | DE2326412A1 (fr) |
FR (1) | FR2185443A1 (fr) |
IT (1) | IT987848B (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5106810A (en) * | 1989-06-29 | 1992-04-21 | E. I. Du Pont De Nemours And Company | Methanol dissociation catalysts |
-
1972
- 1972-05-25 US US00256922A patent/US3826758A/en not_active Expired - Lifetime
-
1973
- 1973-05-23 IT IT24480/73A patent/IT987848B/it active
- 1973-05-23 JP JP48056909A patent/JPS5062887A/ja active Pending
- 1973-05-24 DE DE2326412A patent/DE2326412A1/de active Pending
- 1973-05-24 FR FR7318984A patent/FR2185443A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2326412A1 (de) | 1973-12-06 |
JPS5062887A (fr) | 1975-05-29 |
US3826758A (en) | 1974-07-30 |
IT987848B (it) | 1975-03-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |