BE687668A - - Google Patents
Info
- Publication number
- BE687668A BE687668A BE687668DA BE687668A BE 687668 A BE687668 A BE 687668A BE 687668D A BE687668D A BE 687668DA BE 687668 A BE687668 A BE 687668A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
-
- 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
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US491675A US3370090A (en) | 1965-09-30 | 1965-09-30 | Urea synthesis process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE687668A true BE687668A (ja) | 1967-03-30 |
Family
ID=23953182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE687668D BE687668A (ja) | 1965-09-30 | 1966-09-30 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3370090A (ja) |
| BE (1) | BE687668A (ja) |
| DE (1) | DE1568336A1 (ja) |
| FR (1) | FR1495724A (ja) |
| GB (1) | GB1108430A (ja) |
| NL (1) | NL6613871A (ja) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3301897A (en) * | 1965-11-08 | 1967-01-31 | Chemical Construction Corp | Process for urea synthesis |
-
1965
- 1965-09-30 US US491675A patent/US3370090A/en not_active Expired - Lifetime
-
1966
- 1966-09-20 GB GB42042/66A patent/GB1108430A/en not_active Expired
- 1966-09-30 NL NL6613871A patent/NL6613871A/xx unknown
- 1966-09-30 BE BE687668D patent/BE687668A/xx unknown
- 1966-09-30 DE DE19661568336 patent/DE1568336A1/de active Pending
- 1966-09-30 FR FR78385A patent/FR1495724A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1108430A (en) | 1968-04-03 |
| DE1568336A1 (de) | 1970-03-26 |
| US3370090A (en) | 1968-02-20 |
| FR1495724A (fr) | 1967-09-22 |
| NL6613871A (ja) | 1967-03-31 |