BE380429A - - Google Patents
Info
- Publication number
- BE380429A BE380429A BE380429DA BE380429A BE 380429 A BE380429 A BE 380429A BE 380429D A BE380429D A BE 380429DA BE 380429 A BE380429 A BE 380429A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/14—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
- H02P9/26—Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/04—Preparation of ammonia by synthesis in the gas phase
- C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
- C01C1/0411—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst characterised by the catalyst
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH150289T | 1930-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE380429A true BE380429A (fr) |
Family
ID=4405707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE380429D BE380429A (fr) | 1930-07-01 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US1887475A (fr) |
| BE (1) | BE380429A (fr) |
| CH (1) | CH150289A (fr) |
| DE (1) | DE594841C (fr) |
| FR (1) | FR718417A (fr) |
| GB (1) | GB359378A (fr) |
| NL (1) | NL37163C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4480051A (en) * | 1983-08-03 | 1984-10-30 | E. I. Du Pont De Nemours And Company | Activated iron hydrogenation catalyst |
-
0
- NL NL37163D patent/NL37163C/xx active
- BE BE380429D patent/BE380429A/xx unknown
-
1930
- 1930-07-01 CH CH150289D patent/CH150289A/de unknown
- 1930-07-04 DE DE1930594841D patent/DE594841C/de not_active Expired
-
1931
- 1931-05-21 US US539144A patent/US1887475A/en not_active Expired - Lifetime
- 1931-06-09 FR FR718417D patent/FR718417A/fr not_active Expired
- 1931-07-01 GB GB18999/31A patent/GB359378A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1887475A (en) | 1932-11-08 |
| DE594841C (de) | 1934-03-22 |
| CH150289A (de) | 1931-10-31 |
| FR718417A (fr) | 1932-01-25 |
| GB359378A (en) | 1931-10-22 |
| NL37163C (fr) |