BG21603A3 - Метод за намаляване на количеството биорет в карбамида - Google Patents
Метод за намаляване на количеството биорет в карбамидаInfo
- Publication number
- BG21603A3 BG21603A3 BG026705A BG2670574A BG21603A3 BG 21603 A3 BG21603 A3 BG 21603A3 BG 026705 A BG026705 A BG 026705A BG 2670574 A BG2670574 A BG 2670574A BG 21603 A3 BG21603 A3 BG 21603A3
- Authority
- BG
- Bulgaria
- Prior art keywords
- bioreth
- urea
- reducing
- amount
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
- 239000004202 carbamide Substances 0.000 title 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2416173A IT987491B (it) | 1973-05-16 | 1973-05-16 | Procedimento per ridurre il con tenuto di biureto nella urea |
| GB2327273A GB1404098A (en) | 1973-05-16 | 1973-05-16 | Process for reducing the biuret content in urea |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BG21603A3 true BG21603A3 (bg) | 1976-07-20 |
Family
ID=26256424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG026705A BG21603A3 (bg) | 1973-05-16 | 1974-05-16 | Метод за намаляване на количеството биорет в карбамида |
Country Status (18)
| Country | Link |
|---|---|
| AR (1) | AR213610A1 (fr) |
| AT (1) | AT344723B (fr) |
| BE (1) | BE815096A (fr) |
| BG (1) | BG21603A3 (fr) |
| BR (1) | BR7403961D0 (fr) |
| CA (1) | CA1019344A (fr) |
| CH (1) | CH617672A5 (fr) |
| CS (1) | CS203001B2 (fr) |
| DD (1) | DD113897A5 (fr) |
| EG (1) | EG11437A (fr) |
| FR (1) | FR2229690B1 (fr) |
| GB (1) | GB1404098A (fr) |
| IN (1) | IN142126B (fr) |
| LU (1) | LU70102A1 (fr) |
| NL (1) | NL7406618A (fr) |
| SE (1) | SE420196B (fr) |
| SU (1) | SU953978A3 (fr) |
| ZA (1) | ZA743136B (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| DE102004005907B4 (de) | 2004-02-05 | 2006-01-05 | Uhde Gmbh | Anlage zur Herstellung von biuretarmem harnstoffhaltigem Düngemittelgranulat |
| RO131559A2 (ro) * | 2011-11-23 | 2016-12-30 | Farid Alekovich Batullin | Metodă pentru obţinerea carbamidei cristaline cu puritate ridicată |
| DE102019118702A1 (de) | 2019-07-10 | 2021-01-14 | Thyssenkrupp Ag | Reduzierung der biuretgeneration in der harnstoffproduktion |
-
1973
- 1973-05-16 GB GB2327273A patent/GB1404098A/en not_active Expired
-
1974
- 1974-05-13 AR AR253709A patent/AR213610A1/es active
- 1974-05-15 EG EG175/74A patent/EG11437A/xx active
- 1974-05-15 BR BR3961/74A patent/BR7403961D0/pt unknown
- 1974-05-16 AT AT406174A patent/AT344723B/de not_active IP Right Cessation
- 1974-05-16 DD DD178556A patent/DD113897A5/xx unknown
- 1974-05-16 CA CA200,114A patent/CA1019344A/fr not_active Expired
- 1974-05-16 CS CS743519A patent/CS203001B2/cs unknown
- 1974-05-16 SE SE7406519A patent/SE420196B/xx not_active IP Right Cessation
- 1974-05-16 ZA ZA00743136A patent/ZA743136B/xx unknown
- 1974-05-16 LU LU70102A patent/LU70102A1/xx unknown
- 1974-05-16 FR FR7417058A patent/FR2229690B1/fr not_active Expired
- 1974-05-16 SU SU742026956A patent/SU953978A3/ru active
- 1974-05-16 BE BE144365A patent/BE815096A/fr not_active IP Right Cessation
- 1974-05-16 CH CH674574A patent/CH617672A5/it not_active IP Right Cessation
- 1974-05-16 IN IN1069/CAL/1974A patent/IN142126B/en unknown
- 1974-05-16 NL NL7406618A patent/NL7406618A/xx active Search and Examination
- 1974-05-16 BG BG026705A patent/BG21603A3/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2423890A1 (de) | 1974-12-12 |
| NL7406618A (fr) | 1974-11-19 |
| AT344723B (de) | 1978-08-10 |
| CA1019344A (fr) | 1977-10-18 |
| LU70102A1 (fr) | 1976-04-13 |
| FR2229690A1 (fr) | 1974-12-13 |
| IN142126B (fr) | 1977-06-04 |
| GB1404098A (en) | 1975-08-28 |
| AU6904674A (en) | 1975-11-20 |
| ATA406174A (de) | 1977-12-15 |
| DE2423890B2 (de) | 1976-04-15 |
| FR2229690B1 (fr) | 1976-12-24 |
| EG11437A (en) | 1977-08-15 |
| CS203001B2 (en) | 1981-02-27 |
| BE815096A (fr) | 1974-11-18 |
| ZA743136B (en) | 1975-08-27 |
| DD113897A5 (fr) | 1975-07-05 |
| SE420196B (sv) | 1981-09-21 |
| AR213610A1 (es) | 1979-02-28 |
| CH617672A5 (en) | 1980-06-13 |
| BR7403961D0 (pt) | 1974-12-24 |
| SU953978A3 (ru) | 1982-08-23 |
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