EG11437A - Process for reducing the buiret content in urea - Google Patents

Process for reducing the buiret content in urea

Info

Publication number
EG11437A
EG11437A EG175/74A EG17574A EG11437A EG 11437 A EG11437 A EG 11437A EG 175/74 A EG175/74 A EG 175/74A EG 17574 A EG17574 A EG 17574A EG 11437 A EG11437 A EG 11437A
Authority
EG
Egypt
Prior art keywords
buiret
urea
reducing
content
buiret content
Prior art date
Application number
EG175/74A
Other languages
English (en)
Inventor
R Marin
J Fuentes
Original Assignee
Mexico Guanos
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from IT2416173A external-priority patent/IT987491B/it
Application filed by Mexico Guanos filed Critical Mexico Guanos
Application granted granted Critical
Publication of EG11437A publication Critical patent/EG11437A/xx

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)
EG175/74A 1973-05-16 1974-05-15 Process for reducing the buiret content in urea EG11437A (en)

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
EG11437A true EG11437A (en) 1977-08-15

Family

ID=26256424

Family Applications (1)

Application Number Title Priority Date Filing Date
EG175/74A EG11437A (en) 1973-05-16 1974-05-15 Process for reducing the buiret content in urea

Country Status (18)

Country Link
AR (1) AR213610A1 (xx)
AT (1) AT344723B (xx)
BE (1) BE815096A (xx)
BG (1) BG21603A3 (xx)
BR (1) BR7403961D0 (xx)
CA (1) CA1019344A (xx)
CH (1) CH617672A5 (xx)
CS (1) CS203001B2 (xx)
DD (1) DD113897A5 (xx)
EG (1) EG11437A (xx)
FR (1) FR2229690B1 (xx)
GB (1) GB1404098A (xx)
IN (1) IN142126B (xx)
LU (1) LU70102A1 (xx)
NL (1) NL7406618A (xx)
SE (1) SE420196B (xx)
SU (1) SU953978A3 (xx)
ZA (1) ZA743136B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE2423890B2 (de) 1976-04-15
NL7406618A (xx) 1974-11-19
CH617672A5 (en) 1980-06-13
DD113897A5 (xx) 1975-07-05
SE420196B (sv) 1981-09-21
IN142126B (xx) 1977-06-04
DE2423890A1 (de) 1974-12-12
BR7403961D0 (pt) 1974-12-24
ZA743136B (en) 1975-08-27
AU6904674A (en) 1975-11-20
BE815096A (fr) 1974-11-18
AR213610A1 (es) 1979-02-28
LU70102A1 (xx) 1976-04-13
CA1019344A (en) 1977-10-18
BG21603A3 (bg) 1976-07-20
SU953978A3 (ru) 1982-08-23
CS203001B2 (en) 1981-02-27
FR2229690B1 (xx) 1976-12-24
GB1404098A (en) 1975-08-28
FR2229690A1 (xx) 1974-12-13
AT344723B (de) 1978-08-10
ATA406174A (de) 1977-12-15

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