CH531990A - Process for the production of anhydrous chromium sesquioxide by reduction of a hexavalent chromium compound, and application of this process - Google Patents
Process for the production of anhydrous chromium sesquioxide by reduction of a hexavalent chromium compound, and application of this processInfo
- Publication number
- CH531990A CH531990A CH637771A CH637771A CH531990A CH 531990 A CH531990 A CH 531990A CH 637771 A CH637771 A CH 637771A CH 637771 A CH637771 A CH 637771A CH 531990 A CH531990 A CH 531990A
- Authority
- CH
- Switzerland
- Prior art keywords
- reduction
- production
- application
- anhydrous
- sesquioxide
- Prior art date
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
- 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
-
- 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
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/26—Chromium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G37/00—Compounds of chromium
- C01G37/02—Oxides or hydrates thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
- C01P2006/82—Compositional purity water content
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/90—Other properties not specified above
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Chemical Treatment Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7016592A FR2104656B1 (en) | 1970-05-06 | 1970-05-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH531990A true CH531990A (en) | 1972-12-31 |
Family
ID=9055184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH637771A CH531990A (en) | 1970-05-06 | 1971-04-29 | Process for the production of anhydrous chromium sesquioxide by reduction of a hexavalent chromium compound, and application of this process |
Country Status (11)
Country | Link |
---|---|
US (1) | US3749595A (en) |
BE (1) | BE766446A (en) |
CA (1) | CA932124A (en) |
CH (1) | CH531990A (en) |
DE (1) | DE2122299A1 (en) |
ES (1) | ES390901A1 (en) |
FR (1) | FR2104656B1 (en) |
GB (1) | GB1341607A (en) |
IT (1) | IT939715B (en) |
LU (1) | LU63108A1 (en) |
NL (1) | NL7106248A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3959182A (en) * | 1969-08-19 | 1976-05-25 | Rohm And Haas Company | Catalyst compositions and process for producing acrylic acid or methacrylic acid utilizing such catalyst |
JPS5343918B2 (en) * | 1973-02-02 | 1978-11-24 | ||
US4382104A (en) * | 1979-05-21 | 1983-05-03 | Kennecott Corporation | Method for coating alumina containing refractory fibers with chromium oxide |
US5380554A (en) * | 1993-07-28 | 1995-01-10 | The United States Of America As Represented By The Secretary Of The Navy | Chromic oxide coatings by thermal decomposition of chromic acid anhydride (CrO3) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2294414A (en) * | 1937-11-09 | 1942-09-01 | Phillips Petroleum Co | Catalyst |
US2270165A (en) * | 1937-12-29 | 1942-01-13 | Shell Dev | Catalyst |
FR1084362A (en) * | 1952-07-16 | 1955-01-19 | Diamond Alkali Co | Process for treating alkali metal chromates |
-
1970
- 1970-05-06 FR FR7016592A patent/FR2104656B1/fr not_active Expired
-
1971
- 1971-04-29 CH CH637771A patent/CH531990A/en not_active IP Right Cessation
- 1971-04-29 BE BE766446A patent/BE766446A/en unknown
- 1971-05-04 US US00140274A patent/US3749595A/en not_active Expired - Lifetime
- 1971-05-05 ES ES390901A patent/ES390901A1/en not_active Expired
- 1971-05-05 LU LU63108A patent/LU63108A1/xx unknown
- 1971-05-05 DE DE19712122299 patent/DE2122299A1/en active Pending
- 1971-05-05 IT IT68483/71A patent/IT939715B/en active
- 1971-05-05 CA CA112279A patent/CA932124A/en not_active Expired
- 1971-05-06 GB GB1357071*[A patent/GB1341607A/en not_active Expired
- 1971-05-06 NL NL7106248A patent/NL7106248A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US3749595A (en) | 1973-07-31 |
FR2104656B1 (en) | 1973-11-23 |
CA932124A (en) | 1973-08-21 |
FR2104656A1 (en) | 1972-04-21 |
IT939715B (en) | 1973-02-10 |
LU63108A1 (en) | 1972-03-03 |
BE766446A (en) | 1971-10-29 |
ES390901A1 (en) | 1973-07-01 |
GB1341607A (en) | 1973-12-25 |
NL7106248A (en) | 1971-11-09 |
DE2122299A1 (en) | 1971-11-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |