CH326158A - Verfahren zur Herstellung von reinem Harnstoff - Google Patents
Verfahren zur Herstellung von reinem HarnstoffInfo
- Publication number
- CH326158A CH326158A CH326158DA CH326158A CH 326158 A CH326158 A CH 326158A CH 326158D A CH326158D A CH 326158DA CH 326158 A CH326158 A CH 326158A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- pure urea
- urea
- pure
- Prior art date
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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C275/00—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C275/04—Derivatives of urea, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of urea groups bound to acyclic carbon atoms
-
- 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
- Y02P20/141—Feedstock
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH775933X | 1954-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH326158A true CH326158A (de) | 1957-12-15 |
Family
ID=4535815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH326158D CH326158A (de) | 1954-05-17 | 1954-05-17 | Verfahren zur Herstellung von reinem Harnstoff |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH326158A (de) |
| DE (1) | DE1033197B (de) |
| FR (1) | FR1132401A (de) |
| GB (1) | GB775933A (de) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE527914A (de) * | 1953-04-15 |
-
1954
- 1954-05-17 CH CH326158D patent/CH326158A/de unknown
-
1955
- 1955-03-30 DE DEI10029A patent/DE1033197B/de active Pending
- 1955-04-20 FR FR1132401D patent/FR1132401A/fr not_active Expired
- 1955-04-25 GB GB11906/55A patent/GB775933A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1033197B (de) | 1958-07-03 |
| FR1132401A (fr) | 1957-03-11 |
| GB775933A (en) | 1957-05-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH355949A (de) | Verfahren zur Herstellung von Schaumstoffen | |
| CH341995A (de) | Verfahren zur Herstellung von Polyestern | |
| CH366971A (de) | Verfahren zur Herstellung von Polyamiden | |
| CH329362A (de) | Verfahren zur Herstellung von Harnstoff | |
| CH343635A (de) | Verfahren zur Herstellung von Schaumstoffen | |
| CH337548A (de) | Verfahren zur Herstellung von Insektiziden | |
| CH352323A (de) | Verfahren zur Herstellung von Harnstoff | |
| CH333504A (de) | Verfahren zur Herstellung von eisenorganischen Verbindungen | |
| CH332804A (de) | Verfahren zur Herstellung von Terephthalsäure | |
| CH337529A (de) | Verfahren zur Herstellung von Propylaminen | |
| CH357710A (de) | Verfahren zur Herstellung von Phosphamen | |
| CH356278A (de) | Verfahren zur Herstellung von Polyäthern | |
| CH335857A (de) | Verfahren zur Herstellung von Kunstharzen | |
| AT186643B (de) | Verfahren zur Herstellung von acylierten Harnstoffen | |
| CH326158A (de) | Verfahren zur Herstellung von reinem Harnstoff | |
| CH345882A (de) | Verfahren zur Herstellung von biuretarmem Harnstoff | |
| AT242160B (de) | Verfahren zur Herstellung von Harnstoff | |
| AT193598B (de) | Verfahren zur Herstellung von wärmeisolierenden Bauteilen | |
| CH353173A (de) | Verfahren zur Herstellung von Mischpolyamiden | |
| AT216006B (de) | Verfahren zur Herstellung von Harnstoff | |
| AT189793B (de) | Verfahren zur Herstellung von Hohlkörpern | |
| AT193038B (de) | Verfahren zur Herstellung von Tetrazaporphinen | |
| CH352326A (de) | Verfahren zur Herstellung von technisch reinem y-Hexachlorcyclohexan | |
| AT186632B (de) | Verfahren zur Herstellung von Amoinalkoholen | |
| CH360495A (de) | Verfahren zur Herstellung von Flächengebilden |