NL54438C - Method and device for the production of urea - Google Patents
Method and device for the production of ureaInfo
- Publication number
- NL54438C NL54438C NL91696A NL91696A NL54438C NL 54438 C NL54438 C NL 54438C NL 91696 A NL91696 A NL 91696A NL 91696 A NL91696 A NL 91696A NL 54438 C NL54438 C NL 54438C
- Authority
- NL
- Netherlands
- Prior art keywords
- urea
- production
- 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
- C07C273/08—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 |
---|---|
NL54438C true NL54438C (en) | 1942-12-15 |
Family
ID=7140631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL91696A NL54438C (en) | 1938-02-01 | 1939-01-27 | 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) |
Families Citing this family (3)
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 |
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
Also Published As
Publication number | Publication date |
---|---|
DE720315C (en) | 1942-05-01 |
FR849673A (en) | 1939-11-29 |
BE432460A (en) | 1939-02-21 |
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