DK139815B - Process for the production of urea. - Google Patents

Process for the production of urea.

Info

Publication number: DK139815B
Authority: DK; Denmark
Prior art keywords: urea; production
Prior art date: 1970-04-02

Application number

DK156971AA

Other languages

Danish (da)

Other versions

DK139815C (en

Inventor

Umberto Zardi

Andrea Bonetti

Original Assignee

Snam Progetti

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.)

1970-04-02

Filing date

1971-04-01

Publication date

1979-04-23

1971-04-01 Application filed by Snam Progetti filed Critical Snam Progetti

1979-04-23 Publication of DK139815B publication Critical patent/DK139815B/en

1979-10-01 Application granted granted Critical

1979-10-01 Publication of DK139815C publication Critical patent/DK139815C/da

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
- C07C273/04—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 from carbon dioxide and ammonia

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)

DK156971AA 1970-04-02 1971-04-01 Process for the production of urea. DK139815B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT2280470		1970-04-02

Publications (2)

Publication Number	Publication Date
DK139815B true DK139815B (en)	1979-04-23
DK139815C DK139815C (en)	1979-10-01

Family

ID=11200606

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK156971AA DK139815B (en)	1970-04-02	1971-04-01	Process for the production of urea.

Country Status (24)

Country	Link
JP (1)	JPS5529066B1 (en)
AT (1)	AT317910B (en)
BE (1)	BE765031A (en)
BR (1)	BR7101989D0 (en)
CH (1)	CH551386A (en)
CS (1)	CS182213B2 (en)
DE (1)	DE2116267C3 (en)
DK (1)	DK139815B (en)
EG (1)	EG10651A (en)
ES (1)	ES390189A1 (en)
FR (1)	FR2092554A5 (en)
GB (1)	GB1341497A (en)
HU (1)	HU164316B (en)
IE (1)	IE35308B1 (en)
IL (1)	IL36465A (en)
LU (1)	LU62905A1 (en)
NL (1)	NL171703C (en)
NO (1)	NO140055C (en)
RO (1)	RO63099A (en)
SE (1)	SE403370B (en)
TR (1)	TR16951A (en)
YU (1)	YU35755B (en)
ZA (1)	ZA712018B (en)
ZM (1)	ZM4671A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE787832A (en) *	1971-09-02	1973-02-22	Stamicarbon	PROCESS FOR THE PREPARATION OF UREA
JPS5811432B2 (en) *	1979-10-08	1983-03-02	三井東圧化学株式会社	Urea synthesis method
JPS57128669A (en) *	1981-02-03	1982-08-10	Toyo Eng Corp	Improvement of urea preparation process
EP0096151B1 (en) *	1982-06-03	1986-07-23	Montedison S.p.A.	Method for avoiding the corrosion of strippers in urea manufacturing plants
IT1209532B (en) *	1984-04-20	1989-08-30	Snam Progetti	PROCESS FOR THE SYNTHESIS OF UREA AND MATERIAL USED IN ITSELF.
CH679485A5 (en) *	1989-12-29	1992-02-28	Ammonia Casale Sa
ITMI20071029A1 (en) *	2007-05-22	2008-11-23	Snam Progetti	IMPROVED PROCEDURE FOR THE SYNTHESIS OF UREA
ITMI20120013A1 (en)	2012-01-09	2013-07-10	Saipem Spa	PROCEDURE FOR THE SYNTHESIS OF UREA INCLUDING A STRIPPER FUND OF PASSIVATION
GB2530447B (en)	2013-05-28	2020-02-26	Toyo Engineering Corp	Urea synthesis method

1971
- 1971-03-22 EG EG123/71A patent/EG10651A/en active
- 1971-03-22 IL IL36465A patent/IL36465A/en unknown
- 1971-03-29 ZA ZA712018A patent/ZA712018B/en unknown
- 1971-03-29 IE IE396/71A patent/IE35308B1/en unknown
- 1971-03-30 CS CS7100002290A patent/CS182213B2/en unknown
- 1971-03-30 TR TR16951A patent/TR16951A/en unknown
- 1971-03-31 FR FR7111263A patent/FR2092554A5/fr not_active Expired
- 1971-03-31 ES ES390189A patent/ES390189A1/en not_active Expired
- 1971-03-31 HU HUSA2184A patent/HU164316B/hu unknown
- 1971-03-31 BE BE765031A patent/BE765031A/en not_active IP Right Cessation
- 1971-04-01 LU LU62905D patent/LU62905A1/xx unknown
- 1971-04-01 DK DK156971AA patent/DK139815B/en not_active IP Right Cessation
- 1971-04-01 JP JP1927171A patent/JPS5529066B1/ja active Pending
- 1971-04-01 YU YU813/71A patent/YU35755B/en unknown
- 1971-04-01 NO NO1244/71A patent/NO140055C/en unknown
- 1971-04-02 ZM ZM46/71A patent/ZM4671A1/en unknown
- 1971-04-02 SE SE7104354A patent/SE403370B/en unknown
- 1971-04-02 RO RO7100066459A patent/RO63099A/en unknown
- 1971-04-02 CH CH487271A patent/CH551386A/en not_active IP Right Cessation
- 1971-04-02 NL NLAANVRAGE7104428,A patent/NL171703C/en not_active IP Right Cessation
- 1971-04-02 BR BR1989/71A patent/BR7101989D0/en unknown
- 1971-04-02 DE DE2116267A patent/DE2116267C3/en not_active Expired
- 1971-04-02 AT AT284671A patent/AT317910B/en not_active IP Right Cessation
- 1971-04-19 GB GB2597771*A patent/GB1341497A/en not_active Expired

Also Published As

Publication number	Publication date
DE2116267C3 (en)	1980-04-24
RO63099A (en)	1978-09-15
CH551386A (en)	1974-07-15
NL7104428A (en)	1971-10-05
ZM4671A1 (en)	1971-12-22
IE35308B1 (en)	1976-01-07
AT317910B (en)	1974-09-25
BR7101989D0 (en)	1973-02-22
BE765031A (en)	1971-08-16
TR16951A (en)	1974-01-09
DK139815C (en)	1979-10-01
NL171703B (en)	1982-12-01
HU164316B (en)	1974-01-28
LU62905A1 (en)	1971-08-26
EG10651A (en)	1977-10-31
IL36465A0 (en)	1971-05-26
YU81371A (en)	1980-10-31
IE35308L (en)	1971-10-02
DE2116267B2 (en)	1974-05-16
ZA712018B (en)	1971-12-29
ES390189A1 (en)	1973-07-01
IL36465A (en)	1974-07-31
NO140055B (en)	1979-03-19
DE2116267A1 (en)	1971-10-14
NL171703C (en)	1985-02-18
CS182213B2 (en)	1978-04-28
SE403370B (en)	1978-08-14
NO140055C (en)	1980-10-29
GB1341497A (en)	1973-12-19
FR2092554A5 (en)	1972-01-21
JPS5529066B1 (en)	1980-07-31
YU35755B (en)	1981-06-30

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Legal Events

Date	Code	Title	Description
1986-12-22	PBP	Patent lapsed