FR849673A - Method and device for the production of urea - Google Patents
Method and device for the production of ureaInfo
- Publication number
- FR849673A FR849673A FR849673DA FR849673A FR 849673 A FR849673 A FR 849673A FR 849673D A FR849673D A FR 849673DA FR 849673 A FR849673 A FR 849673A
- Authority
- FR
- France
- Prior art keywords
- urea
- production
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- C07C273/08—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 ammoniacal liquor
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/12—Carbamic acid or thiocarbamic acid; Salts thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG97148D DE720315C (en) | 1938-02-01 | 1938-02-01 | Process for the production of urea from gas water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR849673A true FR849673A (en) | 1939-11-29 |
Family
ID=7140631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR849673D Expired FR849673A (en) | 1938-02-01 | 1939-01-31 | Method and device for the production of urea |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE432460A (en) |
| DE (1) | DE720315C (en) |
| FR (1) | FR849673A (en) |
| NL (1) | NL54438C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE758587C (en) * | 1941-02-27 | 1952-07-10 | Kohlentechnik M B H Ges | Process for the production of urea |
| DE881507C (en) * | 1941-05-01 | 1953-06-29 | Kohlentechnik M B H Ges | Process for the production of urea |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1016253B (en) * | 1952-10-31 | 1957-09-26 | H C Ernst Terres Dr Ing Dr Tec | Process for the recovery of urea from coal distillation gases |
-
1938
- 1938-02-01 DE DEG97148D patent/DE720315C/en not_active Expired
-
1939
- 1939-01-27 NL NL91696A patent/NL54438C/en active
- 1939-01-31 FR FR849673D patent/FR849673A/en not_active Expired
- 1939-01-31 BE BE432460A patent/BE432460A/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE758587C (en) * | 1941-02-27 | 1952-07-10 | Kohlentechnik M B H Ges | Process for the production of urea |
| DE881507C (en) * | 1941-05-01 | 1953-06-29 | Kohlentechnik M B H Ges | Process for the production of urea |
Also Published As
| Publication number | Publication date |
|---|---|
| DE720315C (en) | 1942-05-01 |
| NL54438C (en) | 1942-12-15 |
| BE432460A (en) | 1939-02-21 |
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