BE646334A - - Google Patents
Info
- Publication number
- BE646334A BE646334A BE646334DA BE646334A BE 646334 A BE646334 A BE 646334A BE 646334D A BE646334D A BE 646334DA BE 646334 A BE646334 A BE 646334A
- Authority
- BE
- Belgium
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
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
- C07C273/16—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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 |
|---|---|---|---|
| NL291528 | 1963-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE646334A true BE646334A (de) | 1964-10-09 |
Family
ID=19754616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE646334D BE646334A (de) | 1963-04-11 | 1964-04-09 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3318951A (de) |
| AT (1) | AT247361B (de) |
| BE (1) | BE646334A (de) |
| CH (1) | CH448051A (de) |
| DE (1) | DE1288590B (de) |
| DK (1) | DK107549C (de) |
| ES (1) | ES298518A1 (de) |
| FI (1) | FI41644B (de) |
| GB (1) | GB1052915A (de) |
| NL (1) | NL291528A (de) |
| SE (1) | SE304989B (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GR33978B (el) * | 1966-07-27 | 1968-02-29 | Snam Progetti S.P.A. | Μεθοδος δια την ληψιν ουριας χαμηλης περιεκτικοτητος εις διουριαν. |
| US4345099A (en) * | 1981-08-10 | 1982-08-17 | Union Oil Company Of California | Method of selectively removing biuret from urea and compositions for use therein |
| US4682999A (en) * | 1985-10-31 | 1987-07-28 | Union Oil Company Of California | Methods for enhancing the productivity of plants |
-
0
- GB GB1052915D patent/GB1052915A/en active Active
- NL NL291528D patent/NL291528A/xx unknown
-
1964
- 1964-04-07 DE DEST21939A patent/DE1288590B/de active Pending
- 1964-04-07 AT AT301264A patent/AT247361B/de active
- 1964-04-08 US US358170A patent/US3318951A/en not_active Expired - Lifetime
- 1964-04-08 CH CH443364A patent/CH448051A/de unknown
- 1964-04-09 SE SE4386/64A patent/SE304989B/xx unknown
- 1964-04-09 BE BE646334D patent/BE646334A/xx unknown
- 1964-04-10 DK DK178764AA patent/DK107549C/da active
- 1964-04-10 FI FI0756/64A patent/FI41644B/fi active
- 1964-04-10 ES ES298518A patent/ES298518A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1288590B (de) | 1969-02-06 |
| US3318951A (en) | 1967-05-09 |
| AT247361B (de) | 1966-06-10 |
| SE304989B (de) | 1968-10-14 |
| NL291528A (de) | |
| CH448051A (de) | 1967-12-15 |
| ES298518A1 (es) | 1964-09-01 |
| FI41644B (de) | 1969-09-30 |
| DK107549C (da) | 1967-06-12 |
| GB1052915A (de) |