BR7403961D0 - PROCESS TO REDUCE THE UREA BIURET CONTENT - Google Patents

PROCESS TO REDUCE THE UREA BIURET CONTENT

Info

Publication number: BR7403961D0
Authority: BR; Brazil
Prior art keywords: reduce; biuret content; urea biuret; urea; content
Prior art date: 1973-05-16

Application number

BR3961/74A

Other languages

Portuguese (pt)

Inventor

J Fuentes

Xutgla Marin Ramon

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.)

1973-05-16

Filing date

1974-05-15

Publication date

1974-12-24

1973-05-16 Priority claimed from IT2416173A external-priority patent/IT987491B/en

1974-05-15 Application filed by Mexico Guanos filed Critical Mexico Guanos

1974-12-24 Publication of BR7403961D0 publication Critical patent/BR7403961D0/en

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)

BR3961/74A 1973-05-16 1974-05-15 PROCESS TO REDUCE THE UREA BIURET CONTENT BR7403961D0 (en)

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 (en)	1973-05-16	1973-05-16	PROCEDURE TO REDUCE THE CONTENT OF BIURET IN THE UREA

Publications (1)

Publication Number	Publication Date
BR7403961D0 true BR7403961D0 (en)	1974-12-24

Family

ID=26256424

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR3961/74A BR7403961D0 (en)	1973-05-16	1974-05-15	PROCESS TO REDUCE THE UREA BIURET CONTENT

Country Status (18)

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

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 (en)	2004-02-05	2006-01-05	Uhde Gmbh	Plant for the production of biuretarmem urea-containing fertilizer granules
RO131559A2 (en) *	2011-11-23	2016-12-30	Farid Alekovich Batullin	Method for preparing crystalline carbamide of high purity
DE102019118702A1 (en)	2019-07-10	2021-01-14	Thyssenkrupp Ag	REDUCING BIURET GENERATION IN UREA PRODUCTION

1973
- 1973-05-16 GB GB2327273A patent/GB1404098A/en not_active Expired
1974
- 1974-05-13 AR AR253709A patent/AR213610A1/en active
- 1974-05-15 EG EG175/74A patent/EG11437A/en active
- 1974-05-15 BR BR3961/74A patent/BR7403961D0/en unknown
- 1974-05-16 NL NL7406618A patent/NL7406618A/xx active Search and Examination
- 1974-05-16 BG BG026705A patent/BG21603A3/en unknown
- 1974-05-16 AT AT406174A patent/AT344723B/en not_active IP Right Cessation
- 1974-05-16 LU LU70102A patent/LU70102A1/xx unknown
- 1974-05-16 SU SU742026956A patent/SU953978A3/en active
- 1974-05-16 CH CH674574A patent/CH617672A5/en not_active IP Right Cessation
- 1974-05-16 SE SE7406519A patent/SE420196B/en not_active IP Right Cessation
- 1974-05-16 CA CA200,114A patent/CA1019344A/en not_active Expired
- 1974-05-16 FR FR7417058A patent/FR2229690B1/fr not_active Expired
- 1974-05-16 BE BE144365A patent/BE815096A/en not_active IP Right Cessation
- 1974-05-16 ZA ZA00743136A patent/ZA743136B/en unknown
- 1974-05-16 DD DD178556A patent/DD113897A5/xx unknown
- 1974-05-16 IN IN1069/CAL/1974A patent/IN142126B/en unknown
- 1974-05-16 CS CS743519A patent/CS203001B2/en unknown

Also Published As

Publication number	Publication date
ATA406174A (en)	1977-12-15
IN142126B (en)	1977-06-04
CS203001B2 (en)	1981-02-27
DE2423890B2 (en)	1976-04-15
EG11437A (en)	1977-08-15
FR2229690B1 (en)	1976-12-24
ZA743136B (en)	1975-08-27
AR213610A1 (en)	1979-02-28
CA1019344A (en)	1977-10-18
DD113897A5 (en)	1975-07-05
AT344723B (en)	1978-08-10
SU953978A3 (en)	1982-08-23
GB1404098A (en)	1975-08-28
AU6904674A (en)	1975-11-20
LU70102A1 (en)	1976-04-13
NL7406618A (en)	1974-11-19
BE815096A (en)	1974-11-18
SE420196B (en)	1981-09-21
CH617672A5 (en)	1980-06-13
DE2423890A1 (en)	1974-12-12
BG21603A3 (en)	1976-07-20
FR2229690A1 (en)	1974-12-13

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