BE491319A - - Google Patents
Info
- Publication number
- BE491319A BE491319A BE491319DA BE491319A BE 491319 A BE491319 A BE 491319A BE 491319D A BE491319D A BE 491319DA BE 491319 A BE491319 A BE 491319A
- Authority
- BE
- Belgium
Links
Classifications
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- 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
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- 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
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- 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)
- Carbon And Carbon Compounds (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR860487X | 1946-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE491319A true BE491319A (de) | 1900-01-01 |
Family
ID=9333921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE491319D BE491319A (de) | 1946-11-15 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE491319A (de) |
| CH (1) | CH284406A (de) |
| DE (1) | DE860487C (de) |
| FR (1) | FR1014334A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB756871A (en) * | 1952-10-25 | 1956-09-12 | Chemical Construction Corp | Improvements in or relating to the manufacture of urea |
| FR1072706A (fr) * | 1953-01-21 | 1954-09-15 | Pechiney | Perfectionnement à la fabrication de l'urée |
| NL77361C (de) * | 1953-04-15 | |||
| US3354158A (en) * | 1964-12-23 | 1967-11-21 | Monsanto Co | Process improvements for preparing cyanuric acid |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE299132C (de) * | ||||
| DE537765C (de) * | 1926-08-06 | 1931-11-12 | Alfons Klemenc Dr | Verfahren zur Herstellung von Harnstoff aus Kohlenoxysulfid und Ammoniak |
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0
- BE BE491319D patent/BE491319A/xx unknown
-
1946
- 1946-11-15 FR FR1014334D patent/FR1014334A/fr not_active Expired
-
1948
- 1948-10-02 DE DEP3097A patent/DE860487C/de not_active Expired
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1949
- 1949-10-01 CH CH284406D patent/CH284406A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE860487C (de) | 1952-12-22 |
| CH284406A (de) | 1952-07-31 |
| FR1014334A (fr) | 1952-08-13 |