NL83307C - - Google Patents
Info
- Publication number
- NL83307C NL83307C NL83307DC NL83307C NL 83307 C NL83307 C NL 83307C NL 83307D C NL83307D C NL 83307DC NL 83307 C NL83307 C NL 83307C
- Authority
- NL
- Netherlands
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
- C07C273/04—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
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 |
|---|---|---|---|
| IT321097X | 1952-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL83307C true NL83307C (fr) |
Family
ID=11234913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL83307D NL83307C (fr) | 1952-03-11 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2777877A (fr) |
| BE (1) | BE518317A (fr) |
| CH (1) | CH321097A (fr) |
| DE (1) | DE1014100B (fr) |
| FR (1) | FR1076312A (fr) |
| NL (1) | NL83307C (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL102507C (fr) * | 1958-08-08 | 1900-01-01 | ||
| DE1294365B (de) * | 1958-08-11 | 1969-05-08 | Toyo Koatsu Ind Inc | Verfahren zur Herstellung von Harnstoff aus Kohlendioxyd und ueberschuessigem Ammoniak |
| US3072721A (en) * | 1959-02-03 | 1963-01-08 | Allied Chem | Production of urea from ammonia and co2 |
| US3155723A (en) * | 1960-02-04 | 1964-11-03 | Chemical Construction Corp | Synthesis of urea and recovery of residual reactants |
| US3155722A (en) * | 1960-01-29 | 1964-11-03 | Chemical Construction Corp | Recovery of residual ammonia and carbon dioxide in the synthesis of urea |
| US3544628A (en) * | 1965-09-20 | 1970-12-01 | Pullman Inc | Urea synthesis |
| US4420635A (en) * | 1980-08-11 | 1983-12-13 | Philip Morris Inc. | Ammonium carbamate production |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE332679C (de) * | 1915-07-11 | 1921-02-08 | Basf Ag | Verfahren zur Herstellung von Harnstoff aus Kohlensaeureverbindungen des Ammoniaks |
| US1429483A (en) * | 1920-07-09 | 1922-09-19 | Basf Ag | Process of manufacturing urea |
| DE372262C (de) * | 1920-08-17 | 1923-03-26 | Basf Ag | Verfahren zur Darstellung von Harnstoff |
| US1898093A (en) * | 1931-03-31 | 1933-02-21 | Du Pont | Urea manufacture |
| US2116881A (en) * | 1934-02-02 | 1938-05-10 | Du Pont | Urea synthesis |
| US2267133A (en) * | 1939-02-20 | 1941-12-23 | Solvay Process Co | Process for treating urea synthesis effluents |
-
0
- NL NL83307D patent/NL83307C/xx active
- BE BE518317D patent/BE518317A/xx unknown
-
1953
- 1953-03-05 DE DEM17605A patent/DE1014100B/de active Pending
- 1953-03-06 US US340780A patent/US2777877A/en not_active Expired - Lifetime
- 1953-03-07 CH CH321097D patent/CH321097A/de unknown
- 1953-03-10 FR FR1076312D patent/FR1076312A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH321097A (de) | 1957-04-30 |
| DE1014100B (de) | 1957-08-22 |
| US2777877A (en) | 1957-01-15 |
| FR1076312A (fr) | 1954-10-26 |
| BE518317A (fr) |