BG21603A3 - - Google Patents
Info
- Publication number
- BG21603A3 BG21603A3 BG26705A BG2670574A BG21603A3 BG 21603 A3 BG21603 A3 BG 21603A3 BG 26705 A BG26705 A BG 26705A BG 2670574 A BG2670574 A BG 2670574A BG 21603 A3 BG21603 A3 BG 21603A3
- Authority
- BG
- Bulgaria
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
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 |
|---|---|
| BG21603A3 true BG21603A3 (no) | 1976-07-20 |
Family
ID=26256424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG26705A BG21603A3 (no) | 1973-05-16 | 1974-05-16 |
Country Status (18)
| Country | Link |
|---|---|
| AR (1) | AR213610A1 (no) |
| AT (1) | AT344723B (no) |
| BE (1) | BE815096A (no) |
| BG (1) | BG21603A3 (no) |
| BR (1) | BR7403961D0 (no) |
| CA (1) | CA1019344A (no) |
| CH (1) | CH617672A5 (no) |
| CS (1) | CS203001B2 (no) |
| DD (1) | DD113897A5 (no) |
| EG (1) | EG11437A (no) |
| FR (1) | FR2229690B1 (no) |
| GB (1) | GB1404098A (no) |
| IN (1) | IN142126B (no) |
| LU (1) | LU70102A1 (no) |
| NL (1) | NL7406618A (no) |
| SE (1) | SE420196B (no) |
| SU (1) | SU953978A3 (no) |
| ZA (1) | ZA743136B (no) |
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 |
| RU2472777C1 (ru) * | 2011-11-23 | 2013-01-20 | Фарид Алекович Батуллин | Способ получения кристаллического карбамида высокой очистки |
| 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 BE BE144365A patent/BE815096A/xx not_active IP Right Cessation
- 1974-05-16 LU LU70102A patent/LU70102A1/xx unknown
- 1974-05-16 IN IN1069/CAL/1974A patent/IN142126B/en unknown
- 1974-05-16 CA CA200,114A patent/CA1019344A/en not_active Expired
- 1974-05-16 BG BG26705A patent/BG21603A3/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 NL NL7406618A patent/NL7406618A/xx active Search and Examination
- 1974-05-16 FR FR7417058A patent/FR2229690B1/fr not_active Expired
- 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 ZA ZA00743136A patent/ZA743136B/xx unknown
- 1974-05-16 CH CH674574A patent/CH617672A5/it not_active IP Right Cessation
- 1974-05-16 DD DD178556A patent/DD113897A5/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AR213610A1 (es) | 1979-02-28 |
| IN142126B (no) | 1977-06-04 |
| ZA743136B (en) | 1975-08-27 |
| CH617672A5 (en) | 1980-06-13 |
| DE2423890A1 (de) | 1974-12-12 |
| ATA406174A (de) | 1977-12-15 |
| AT344723B (de) | 1978-08-10 |
| NL7406618A (no) | 1974-11-19 |
| CA1019344A (en) | 1977-10-18 |
| GB1404098A (en) | 1975-08-28 |
| BE815096A (fr) | 1974-11-18 |
| BR7403961D0 (pt) | 1974-12-24 |
| AU6904674A (en) | 1975-11-20 |
| CS203001B2 (en) | 1981-02-27 |
| FR2229690B1 (no) | 1976-12-24 |
| FR2229690A1 (no) | 1974-12-13 |
| SU953978A3 (ru) | 1982-08-23 |
| EG11437A (en) | 1977-08-15 |
| SE420196B (sv) | 1981-09-21 |
| DE2423890B2 (de) | 1976-04-15 |
| LU70102A1 (no) | 1976-04-13 |
| DD113897A5 (no) | 1975-07-05 |