CH345882A - Process for the production of low-biuret urea - Google Patents
Process for the production of low-biuret ureaInfo
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB37112A DE963420C (en) | 1955-09-09 | 1955-09-09 | Process for the production of a low-biuret urea melt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH345882A true CH345882A (en) | 1960-04-30 |
Family
ID=6254878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH345882D CH345882A (en) | 1955-09-09 | 1956-08-17 | Process for the production of low-biuret urea |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH345882A (en) |
| DE (1) | DE963420C (en) |
| FR (1) | FR1158519A (en) |
| GB (1) | GB800446A (en) |
| NL (1) | NL98210C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1067014B (en) * | 1957-05-18 |
-
1955
- 1955-09-09 DE DEB37112A patent/DE963420C/en not_active Expired
-
1956
- 1956-08-17 CH CH345882D patent/CH345882A/en unknown
- 1956-08-27 FR FR1158519D patent/FR1158519A/en not_active Expired
- 1956-09-03 GB GB26818/56A patent/GB800446A/en not_active Expired
- 1956-09-06 NL NL210413A patent/NL98210C/en active
Also Published As
| Publication number | Publication date |
|---|---|
| NL98210C (en) | 1961-06-15 |
| DE963420C (en) | 1957-05-09 |
| GB800446A (en) | 1958-08-27 |
| FR1158519A (en) | 1958-06-16 |
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