CH345882A - Verfahren zur Herstellung von biuretarmem Harnstoff - Google Patents
Verfahren zur Herstellung von biuretarmem HarnstoffInfo
- Publication number
- CH345882A CH345882A CH345882DA CH345882A CH 345882 A CH345882 A CH 345882A CH 345882D A CH345882D A CH 345882DA CH 345882 A CH345882 A CH 345882A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- low
- biuret urea
- biuret
- urea
- Prior art date
Links
Classifications
-
- 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
-
- 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
- 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
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
- C07C273/16—Separation; Purification
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB37112A DE963420C (de) | 1955-09-09 | 1955-09-09 | Verfahren zur Herstellung einer biuretarmen Harnstoffschmelze |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH345882A true CH345882A (de) | 1960-04-30 |
Family
ID=6254878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH345882D CH345882A (de) | 1955-09-09 | 1956-08-17 | Verfahren zur Herstellung von biuretarmem Harnstoff |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH345882A (de) |
| DE (1) | DE963420C (de) |
| FR (1) | FR1158519A (de) |
| GB (1) | GB800446A (de) |
| NL (1) | NL98210C (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL217419A (de) * | 1957-05-18 |
-
1955
- 1955-09-09 DE DEB37112A patent/DE963420C/de not_active Expired
-
1956
- 1956-08-17 CH CH345882D patent/CH345882A/de unknown
- 1956-08-27 FR FR1158519D patent/FR1158519A/fr not_active Expired
- 1956-09-03 GB GB26818/56A patent/GB800446A/en not_active Expired
- 1956-09-06 NL NL210413A patent/NL98210C/nl active
Also Published As
| Publication number | Publication date |
|---|---|
| GB800446A (en) | 1958-08-27 |
| DE963420C (de) | 1957-05-09 |
| FR1158519A (fr) | 1958-06-16 |
| NL98210C (nl) | 1961-06-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH370920A (de) | Verfahren zur Herstellung von Polyurethanpolymeren | |
| CH355949A (de) | Verfahren zur Herstellung von Schaumstoffen | |
| CH329362A (de) | Verfahren zur Herstellung von Harnstoff | |
| CH343635A (de) | Verfahren zur Herstellung von Schaumstoffen | |
| CH336370A (de) | Verfahren zur Herstellung von Carotinoiden | |
| CH364114A (de) | Verfahren zur Herstellung von Mischpolyamiden | |
| CH352323A (de) | Verfahren zur Herstellung von Harnstoff | |
| AT190278B (de) | Verfahren zur Herstellung von Formkörpern | |
| CH345882A (de) | Verfahren zur Herstellung von biuretarmem Harnstoff | |
| CH357710A (de) | Verfahren zur Herstellung von Phosphamen | |
| CH333170A (de) | Verfahren zur Herstellung von Bleiazid | |
| CH337529A (de) | Verfahren zur Herstellung von Propylaminen | |
| CH344716A (de) | Verfahren zur Drucksynthese von Harnstoff | |
| AT242160B (de) | Verfahren zur Herstellung von Harnstoff | |
| CH348813A (de) | Verfahren zur Herstellung von stabilisiertem Polyäthylen | |
| CH326158A (de) | Verfahren zur Herstellung von reinem Harnstoff | |
| CH366972A (de) | Verfahren zur Herstellung von Polyäthylen | |
| AT216006B (de) | Verfahren zur Herstellung von Harnstoff | |
| CH340165A (de) | Verfahren zur Herstellung von Fasermatten | |
| AT189106B (de) | Verfahren zur Herstellung von Formsteinen | |
| AT189391B (de) | Verfahren zur Herstellung von Überzügen | |
| AT198737B (de) | Verfahren zur Herstellung von α-Merkaptoketonen | |
| CH363341A (de) | Verfahren zur Herstellung von 1-Steroiden | |
| CH352333A (de) | Verfahren zur Herstellung von dl-Emetin | |
| CH352343A (de) | Verfahren zur Herstellung von 5-Chlor-salicylsäure |