AR213610A1 - Un procedimiento para eliminar todo contenido indeseado de biuret de urea contenida en una sustancia que comprende biuret y urea - Google Patents
Un procedimiento para eliminar todo contenido indeseado de biuret de urea contenida en una sustancia que comprende biuret y ureaInfo
- Publication number
- AR213610A1 AR213610A1 AR253709A AR25370974A AR213610A1 AR 213610 A1 AR213610 A1 AR 213610A1 AR 253709 A AR253709 A AR 253709A AR 25370974 A AR25370974 A AR 25370974A AR 213610 A1 AR213610 A1 AR 213610A1
- Authority
- AR
- Argentina
- Prior art keywords
- biuret
- urea
- procedure
- substance including
- unwanted content
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 2
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 title 2
- 239000004202 carbamide Substances 0.000 title 2
- 239000000126 substance 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 |
|---|---|---|---|
| GB2327273A GB1404098A (en) | 1973-05-16 | 1973-05-16 | Process for reducing the biuret content in urea |
| IT2416173A IT987491B (it) | 1973-05-16 | 1973-05-16 | Procedimento per ridurre il con tenuto di biureto nella urea |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AR213610A1 true AR213610A1 (es) | 1979-02-28 |
Family
ID=26256424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AR253709A AR213610A1 (es) | 1973-05-16 | 1974-05-13 | Un procedimiento para eliminar todo contenido indeseado de biuret de urea contenida en una sustancia que comprende biuret y urea |
Country Status (18)
Families Citing this family (5)
| 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 |
| CN115738359A (zh) * | 2022-10-20 | 2023-03-07 | 江苏可兰素环保科技有限公司 | 一种尿素颗粒的萃取提纯工艺 |
-
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 BR BR3961/74A patent/BR7403961D0/pt unknown
- 1974-05-15 EG EG175/74A patent/EG11437A/xx active
- 1974-05-16 BE BE144365A patent/BE815096A/xx not_active IP Right Cessation
- 1974-05-16 NL NL7406618A patent/NL7406618A/xx active Search and Examination
- 1974-05-16 AT AT406174A patent/AT344723B/de not_active IP Right Cessation
- 1974-05-16 SU SU742026956A patent/SU953978A3/ru active
- 1974-05-16 BG BG026705A patent/BG21603A3/xx unknown
- 1974-05-16 IN IN1069/CAL/1974A patent/IN142126B/en unknown
- 1974-05-16 DD DD178556A patent/DD113897A5/xx unknown
- 1974-05-16 SE SE7406519A patent/SE420196B/xx not_active IP Right Cessation
- 1974-05-16 CS CS743519A patent/CS203001B2/cs unknown
- 1974-05-16 LU LU70102A patent/LU70102A1/xx unknown
- 1974-05-16 CH CH674574A patent/CH617672A5/it not_active IP Right Cessation
- 1974-05-16 FR FR7417058A patent/FR2229690B1/fr not_active Expired
- 1974-05-16 CA CA200,114A patent/CA1019344A/en not_active Expired
- 1974-05-16 ZA ZA00743136A patent/ZA743136B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| LU70102A1 (enrdf_load_stackoverflow) | 1976-04-13 |
| CH617672A5 (en) | 1980-06-13 |
| ZA743136B (en) | 1975-08-27 |
| SE420196B (sv) | 1981-09-21 |
| BG21603A3 (bg) | 1976-07-20 |
| AU6904674A (en) | 1975-11-20 |
| CS203001B2 (en) | 1981-02-27 |
| NL7406618A (enrdf_load_stackoverflow) | 1974-11-19 |
| DE2423890B2 (de) | 1976-04-15 |
| GB1404098A (en) | 1975-08-28 |
| IN142126B (enrdf_load_stackoverflow) | 1977-06-04 |
| ATA406174A (de) | 1977-12-15 |
| BE815096A (fr) | 1974-11-18 |
| DD113897A5 (enrdf_load_stackoverflow) | 1975-07-05 |
| EG11437A (en) | 1977-08-15 |
| BR7403961D0 (pt) | 1974-12-24 |
| SU953978A3 (ru) | 1982-08-23 |
| AT344723B (de) | 1978-08-10 |
| FR2229690A1 (enrdf_load_stackoverflow) | 1974-12-13 |
| FR2229690B1 (enrdf_load_stackoverflow) | 1976-12-24 |
| CA1019344A (en) | 1977-10-18 |
| DE2423890A1 (de) | 1974-12-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CS188185B2 (en) | Fungicide agent and method of preparation of active substances | |
| BR7505423A (pt) | Aperfeicoamento em processo para a preservacao de materia animal | |
| BR6908296D0 (pt) | Recipiente para bolos ou produtos semelhantes e processo para expor bolos | |
| MX154517A (es) | Mejoras en aparato para procesar frutas y similares | |
| BR6915323D0 (pt) | Processo para preparar e conservar alimentos prontos para consumo e involucro para o mesmo | |
| MX154518A (es) | Mejoras en aparato para procesar frutas y similares | |
| BR7402634A (pt) | Dispositivo intra-vaginal e processo para sua utilizacao | |
| NO139189C (no) | Anlegg for forbrenning av avfall og lignende stoffer | |
| BR7408419A (pt) | Processo para supressao pelo menos parcial de refugos prejudiciais e dispositivo para realizacao do mesmo | |
| BR6910970D0 (pt) | Processo e aparelho para preservacao de substancias biologicas | |
| AR213610A1 (es) | Un procedimiento para eliminar todo contenido indeseado de biuret de urea contenida en una sustancia que comprende biuret y urea | |
| AR199559A1 (es) | Una bolsa de filtro mejorada y un metodo para su preparacion | |
| BR7904409A (pt) | Compostos heterociclicos,processo para sua preparacao,azocorantes,processo para sua preparacao e seu emprego | |
| BR7904671A (pt) | Oxazinocorantes cationicos,processo para sua preparacao e seu emprego | |
| BR7705271A (pt) | Recipiente e processo para sua preparacao | |
| BR7904037A (pt) | Alfa-prop-1-inil-3-fenoxibenzil-alcoois,processo para sua preparacao e seu emprego | |
| NL7713761A (nl) | Oxytetracycline bevattende farmaceutische pre- paraten en werkwijze ter bereiding daarvan. | |
| NL187908C (nl) | Werkwijze ter bereiding van middelen ter bescherming van planten alsmede werkwijzen ter bereiding van werkzame stoffen daarvoor. | |
| BR7906076A (pt) | Embalagen para implantados sistema e processo | |
| BR7206053D0 (pt) | Processo de secagem e secador para substancias granulares | |
| JPS5347387A (en) | Deodorization and method of removing noxious substances | |
| BR7604457A (pt) | Metodo para preparar coquilnas descartadas para a re-utilizacao de seu material e um dispositivo para executar o metodo | |
| NO149133C (no) | Fremgangsmaate for reduksjon av biuretinnholdet i urea | |
| FI52074C (fi) | Menetelmä ja aine hajun poistamiseksi lannasta ja jätteistä | |
| FI800491A7 (fi) | Menetelmä ja laite hiukkasmaisen aineen käsittelemiseksi. |