DK107549C - Fremgangsmåde til fremstilling af urinstof med lavt biuretindhold. - Google Patents
Fremgangsmåde til fremstilling af urinstof med lavt biuretindhold.Info
- Publication number
- DK107549C DK107549C DK178764AA DK178764A DK107549C DK 107549 C DK107549 C DK 107549C DK 178764A A DK178764A A DK 178764AA DK 178764 A DK178764 A DK 178764A DK 107549 C DK107549 C DK 107549C
- Authority
- DK
- Denmark
- Prior art keywords
- production
- low biuret
- biuret urea
- urea
- low
- 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
- C07C273/14—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 |
|---|---|
| DK107549C true DK107549C (da) | 1967-06-12 |
Family
ID=19754616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK178764AA DK107549C (da) | 1963-04-11 | 1964-04-10 | Fremgangsmåde til fremstilling af urinstof med lavt biuretindhold. |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3318951A (da) |
| AT (1) | AT247361B (da) |
| BE (1) | BE646334A (da) |
| CH (1) | CH448051A (da) |
| DE (1) | DE1288590B (da) |
| DK (1) | DK107549C (da) |
| ES (1) | ES298518A1 (da) |
| FI (1) | FI41644B (da) |
| GB (1) | GB1052915A (da) |
| NL (1) | NL291528A (da) |
| SE (1) | SE304989B (da) |
Families Citing this family (4)
| 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 |
| US11267766B2 (en) * | 2019-09-25 | 2022-03-08 | Donald Edward Carlson | Liquid fertilizer applicators and methods of forming liquid fertilizer concentrate |
-
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 CH CH443364A patent/CH448051A/de unknown
- 1964-04-08 US US358170A patent/US3318951A/en not_active Expired - Lifetime
- 1964-04-09 BE BE646334D patent/BE646334A/xx unknown
- 1964-04-09 SE SE4386/64A patent/SE304989B/xx unknown
- 1964-04-10 DK DK178764AA patent/DK107549C/da active
- 1964-04-10 ES ES298518A patent/ES298518A1/es not_active Expired
- 1964-04-10 FI FI0756/64A patent/FI41644B/fi active
Also Published As
| Publication number | Publication date |
|---|---|
| DE1288590B (de) | 1969-02-06 |
| CH448051A (de) | 1967-12-15 |
| GB1052915A (da) | |
| SE304989B (da) | 1968-10-14 |
| FI41644B (da) | 1969-09-30 |
| US3318951A (en) | 1967-05-09 |
| AT247361B (de) | 1966-06-10 |
| BE646334A (da) | 1964-10-09 |
| NL291528A (da) | |
| ES298518A1 (es) | 1964-09-01 |
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