NL6613811A - - Google Patents
Info
- Publication number
- NL6613811A NL6613811A NL6613811A NL6613811A NL6613811A NL 6613811 A NL6613811 A NL 6613811A NL 6613811 A NL6613811 A NL 6613811A NL 6613811 A NL6613811 A NL 6613811A NL 6613811 A NL6613811 A NL 6613811A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C05C9/005—Post-treatment
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6613811A NL6613811A (en) | 1966-09-30 | 1966-09-30 | |
| GB4403467A GB1141419A (en) | 1966-09-30 | 1967-09-27 | Process for the crystallization of urea |
| DE19671668700 DE1668700A1 (en) | 1966-09-30 | 1967-09-28 | Process for crystallizing urea and optionally biuret from solutions of urea in water contaminated with biuret |
| DK487467A DK117558B (en) | 1966-09-30 | 1967-09-29 | Process for crystallization of urea. |
| FR122747A FR1539358A (en) | 1966-09-30 | 1967-09-29 | Process for the crystallization of urea and possibly biuret from solutions of urea in water which are contaminated with biuret |
| BE704503D BE704503A (en) | 1966-09-30 | 1967-09-29 | |
| ES345631A ES345631A1 (en) | 1966-09-30 | 1967-09-30 | Process for the crystallization of urea |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6613811A NL6613811A (en) | 1966-09-30 | 1966-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6613811A true NL6613811A (en) | 1968-04-01 |
Family
ID=19797808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6613811A NL6613811A (en) | 1966-09-30 | 1966-09-30 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE704503A (en) |
| DE (1) | DE1668700A1 (en) |
| DK (1) | DK117558B (en) |
| ES (1) | ES345631A1 (en) |
| GB (1) | GB1141419A (en) |
| NL (1) | NL6613811A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4015503A1 (en) * | 2020-12-16 | 2022-06-22 | Casale Sa | Process for producing urea and biuret |
-
1966
- 1966-09-30 NL NL6613811A patent/NL6613811A/xx unknown
-
1967
- 1967-09-27 GB GB4403467A patent/GB1141419A/en not_active Expired
- 1967-09-28 DE DE19671668700 patent/DE1668700A1/en active Pending
- 1967-09-29 BE BE704503D patent/BE704503A/xx unknown
- 1967-09-29 DK DK487467A patent/DK117558B/en unknown
- 1967-09-30 ES ES345631A patent/ES345631A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES345631A1 (en) | 1968-11-16 |
| BE704503A (en) | 1968-03-29 |
| DK117558B (en) | 1970-05-11 |
| GB1141419A (en) | 1969-01-29 |
| DE1668700A1 (en) | 1971-09-02 |