RO69510A - PROCESS FOR PURIFYING CARBAMIDE SOLUTIONS - Google Patents

PROCESS FOR PURIFYING CARBAMIDE SOLUTIONS

Info

Publication number: RO69510A
Authority: RO; Romania
Prior art keywords: solutions; carbamide; purifying; purifying carbamide; carbamide solutions
Prior art date: 1973-03-08

Application number

RO7477908A

Other languages

French (fr)

Romanian (ro)

Inventor

Umberto Zardi

Vincenzo Lagana

Original Assignee

Snam Progetti Spa.,It

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.)

1973-03-08

Filing date

1974-03-05

Publication date

1980-12-30

1974-03-05 Application filed by Snam Progetti Spa.,It filed Critical Snam Progetti Spa.,It

1980-12-30 Publication of RO69510A publication Critical patent/RO69510A/en

Links

XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 2
235000013877 carbamide Nutrition 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
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

RO7477908A 1973-03-08 1974-03-05 PROCESS FOR PURIFYING CARBAMIDE SOLUTIONS RO69510A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT21300/73A IT981191B (en)	1973-03-08	1973-03-08	PROCEDURE FOR PURIFICATION FROM NH 3 AND CARBAMATE OF THE SOLUTION OUT OF A SINTE SI REACTOR OF THE URE

Publications (1)

Publication Number	Publication Date
RO69510A true RO69510A (en)	1980-12-30

Family

ID=11179741

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
RO7477908A RO69510A (en)	1973-03-08	1974-03-05	PROCESS FOR PURIFYING CARBAMIDE SOLUTIONS

Country Status (25)

Country	Link
JP (2)	JPS49124029A (en)
AR (1)	AR200429A1 (en)
AT (1)	AT342067B (en)
BE (1)	BE811880A (en)
BR (1)	BR7401582D0 (en)
CA (1)	CA1022103A (en)
CH (1)	CH603565A5 (en)
DD (1)	DD112752A5 (en)
DK (1)	DK144008C (en)
EG (1)	EG11031A (en)
ES (1)	ES424334A1 (en)
FR (1)	FR2220516B1 (en)
GB (1)	GB1402249A (en)
IE (1)	IE38973B1 (en)
IN (1)	IN139208B (en)
IT (1)	IT981191B (en)
LU (1)	LU69576A1 (en)
MW (1)	MW874A1 (en)
NL (1)	NL7403054A (en)
PH (1)	PH12740A (en)
RO (1)	RO69510A (en)
SE (1)	SE386145B (en)
TR (1)	TR17998A (en)
ZA (1)	ZA741186B (en)
ZM (1)	ZM4274A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2955916A (en) *	1955-11-21	1960-10-11	Lonza Electric & Chem Works	Method of producing carbon dioxide and ammonia from intermediate reaction products in the synthesis of urea
FR1534669A (en) *	1964-02-17	1968-08-02	Allied Chem	Process and device for the decomposition of ammonium carbamate, in particular resulting from the synthesis of urea, as well as the products obtained by the present process or similar process

1973
- 1973-03-08 IT IT21300/73A patent/IT981191B/en active
1974
- 1974-02-22 ZA ZA00741186A patent/ZA741186B/en unknown
- 1974-02-26 EG EG61/74A patent/EG11031A/en active
- 1974-02-26 TR TR17998A patent/TR17998A/en unknown
- 1974-02-28 FR FR7406822A patent/FR2220516B1/fr not_active Expired
- 1974-02-28 MW MW8/74*UA patent/MW874A1/en unknown
- 1974-03-04 AR AR252612A patent/AR200429A1/en active
- 1974-03-04 BR BR1582/74A patent/BR7401582D0/en unknown
- 1974-03-05 RO RO7477908A patent/RO69510A/en unknown
- 1974-03-05 IE IE00465/74A patent/IE38973B1/en unknown
- 1974-03-05 JP JP49024872A patent/JPS49124029A/ja active Pending
- 1974-03-05 BE BE141648A patent/BE811880A/en not_active IP Right Cessation
- 1974-03-06 CH CH317174A patent/CH603565A5/xx not_active IP Right Cessation
- 1974-03-06 GB GB1015374A patent/GB1402249A/en not_active Expired
- 1974-03-06 DD DD176982A patent/DD112752A5/xx unknown
- 1974-03-06 NL NL7403054A patent/NL7403054A/xx not_active Application Discontinuation
- 1974-03-06 ZM ZM42/74A patent/ZM4274A1/en unknown
- 1974-03-06 SE SE7402993A patent/SE386145B/en not_active IP Right Cessation
- 1974-03-07 CA CA194,352A patent/CA1022103A/en not_active Expired
- 1974-03-07 LU LU69576A patent/LU69576A1/xx unknown
- 1974-03-07 AT AT189874A patent/AT342067B/en not_active IP Right Cessation
- 1974-03-07 ES ES424334A patent/ES424334A1/en not_active Expired
- 1974-03-07 DK DK125174A patent/DK144008C/en not_active IP Right Cessation
- 1974-03-08 PH PH15599A patent/PH12740A/en unknown
- 1974-03-19 IN IN592/CAL/74A patent/IN139208B/en unknown
1981
- 1981-03-06 JP JP1981030423U patent/JPS56134344U/ja active Pending

Also Published As

Publication number	Publication date
LU69576A1 (en)	1974-07-05
FR2220516B1 (en)	1978-01-06
FR2220516A1 (en)	1974-10-04
AT342067B (en)	1978-03-10
TR17998A (en)	1976-08-20
DD112752A5 (en)	1975-05-05
DK144008C (en)	1982-04-26
BE811880A (en)	1974-07-01
DE2411205B2 (en)	1976-01-15
EG11031A (en)	1976-11-30
JPS56134344U (en)	1981-10-12
ZM4274A1 (en)	1974-11-21
JPS49124029A (en)	1974-11-27
ZA741186B (en)	1975-01-29
DE2411205A1 (en)	1974-09-26
NL7403054A (en)	1974-09-10
IE38973L (en)	1974-09-08
BR7401582D0 (en)	1974-11-05
PH12740A (en)	1979-08-09
IT981191B (en)	1974-10-10
MW874A1 (en)	1975-05-13
SE386145B (en)	1976-08-02
AR200429A1 (en)	1974-11-08
CA1022103A (en)	1977-12-06
CH603565A5 (en)	1978-08-31
DK144008B (en)	1981-11-16
GB1402249A (en)	1975-08-06
AU6594074A (en)	1975-08-28
ES424334A1 (en)	1976-06-01
ATA189874A (en)	1977-07-15
IN139208B (en)	1976-05-22
IE38973B1 (en)	1978-07-05

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