BE777470A - Procede de preparation d'uree - Google Patents

Procede de preparation d'uree

Info

Publication number: BE777470A
Authority: BE; Belgium
Prior art keywords: preparation process; urea preparation; urea; preparation
Prior art date: 1970-12-31

Application number

BE777470A

Other languages

English (en)

French (fr)

Original Assignee

Stamicarbon

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.)

1970-12-31

Filing date

1971-12-29

Publication date

1972-06-29

1971-12-29 Application filed by Stamicarbon filed Critical Stamicarbon

1972-06-29 Publication of BE777470A publication Critical patent/BE777470A/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
- C07C273/04—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)
Microwave Tubes (AREA)

BE777470A 1970-12-31 1971-12-29 Procede de preparation d'uree BE777470A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NLAANVRAGE7019056,A NL168506C (nl)	1970-12-31	1970-12-31	Werkwijze voor de bereiding van ureum.

Publications (1)

Publication Number	Publication Date
BE777470A true BE777470A (fr)	1972-06-29

Family

ID=19811940

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE777470A BE777470A (fr)	1970-12-31	1971-12-29	Procede de preparation d'uree

Country Status (23)

Country	Link
US (1)	US3867442A (xx)
JP (1)	JPS511691B1 (xx)
AT (1)	AT319965B (xx)
BE (1)	BE777470A (xx)
BG (1)	BG26665A3 (xx)
BR (1)	BR7108671D0 (xx)
CA (1)	CA973564A (xx)
CS (1)	CS171245B2 (xx)
DE (1)	DE2165711C3 (xx)
ES (1)	ES398493A1 (xx)
FI (1)	FI54914C (xx)
FR (1)	FR2121068A5 (xx)
GB (1)	GB1365707A (xx)
HU (1)	HU168681B (xx)
IT (1)	IT945737B (xx)
NL (1)	NL168506C (xx)
NO (1)	NO135246C (xx)
PL (1)	PL90701B1 (xx)
RO (1)	RO63722A (xx)
SE (1)	SE420719B (xx)
SU (1)	SU651692A3 (xx)
YU (1)	YU39704B (xx)
ZA (1)	ZA718580B (xx)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4092358A (en) *	1968-09-03	1978-05-30	Snamprogetti S.P.A.	Process for the production of urea having a low carbamate content
BE790015A (fr) *	1971-10-19	1973-04-12	Mavrovic Ivo	Synthese de l'uree avec conversion et recuperation de chaleur ameliorees
CA1017535A (en) *	1974-03-29	1977-09-20	Charles Vydra	Method and apparatus for the continuous condensation of a gaseous mixture of ammonia, carbon dioxide and water vapour
NL7612162A (nl) *	1976-11-03	1978-05-08	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van een ureum- oplossing uit nh3 en co2.
SE446978B (sv) *	1977-05-05	1986-10-20	Montedison Spa	Isobariskt dubbelatercirkulationsforfarande for syntetisering av urea under bildning av ammoniumkarbamat som mellanprodukt
JPS55119464A (en) *	1979-03-09	1980-09-13	Ee K Deyuaru Kk	Sealant coating device to screw thread of joint and valve
NL8101174A (nl) *	1981-03-11	1982-10-01	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.
NL8104039A (nl) *	1981-09-01	1983-04-05	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.
NL8104040A (nl) *	1981-09-01	1983-04-05	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.
NL8201652A (nl) *	1982-04-21	1983-11-16	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.
NL8303888A (nl) *	1983-11-13	1985-06-03	Unie Van Kunstmestfab Bv	Werkwijze voor de bereiding van ureum.
CN1060762C (zh) *	1994-12-23	2001-01-17	乌里阿·卡萨勒有限公司	尿素生产装置的改进方法
IT1275451B (it) †	1995-06-30	1997-08-07	Snam Progetti	Procedimento per la sintesi dell'urea comprendente due separate zone di reazione
JP3987607B2 (ja)	1996-10-07	2007-10-10	東洋エンジニアリング株式会社	改良された尿素合成方法および装置
EP1491526A1 (en) *	2003-06-27	2004-12-29	Urea Casale S.A.	Process and plant for urea production
US7238231B1 (en) *	2006-11-16	2007-07-03	Tronox Llc	Process for manufacturing zirconia-treated titanium dioxide pigments
DE102010009502A1 (de) *	2010-02-26	2011-09-01	Spawnt Private S.À.R.L.	Verfahren zur Herstellung von Harnstoff
CN110590605B (zh) *	2019-10-11	2021-08-24	重庆化工职业学院	一种氨基甲酸甲酯的生产方法
CN114733336A (zh) *	2022-04-08	2022-07-12	华润电力(宁武)有限公司	一种防止尿素溶液输送管路堵塞的系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3310376A (en) *	1963-09-09	1967-03-21	Chemical Construction Corp	Process for combined production of ammonia and urea
US3406201A (en) *	1965-06-18	1968-10-15	Exxon Research Engineering Co	Urea synthesis
US3503970A (en) *	1967-07-19	1970-03-31	Mitsui Toatsu Chemicals	Integrated process for producing urea and melamine

1970
- 1970-12-31 NL NLAANVRAGE7019056,A patent/NL168506C/xx not_active IP Right Cessation
1971
- 1971-12-22 ZA ZA718580A patent/ZA718580B/xx unknown
- 1971-12-28 US US213115A patent/US3867442A/en not_active Expired - Lifetime
- 1971-12-28 SU SU711731621A patent/SU651692A3/ru active
- 1971-12-28 JP JP47003828A patent/JPS511691B1/ja active Pending
- 1971-12-29 GB GB6034371A patent/GB1365707A/en not_active Expired
- 1971-12-29 FR FR7147281A patent/FR2121068A5/fr not_active Expired
- 1971-12-29 PL PL1971152555A patent/PL90701B1/pl unknown
- 1971-12-29 BE BE777470A patent/BE777470A/xx not_active IP Right Cessation
- 1971-12-29 HU HUSA2297A patent/HU168681B/hu unknown
- 1971-12-29 AT AT1121671A patent/AT319965B/de not_active IP Right Cessation
- 1971-12-29 CA CA131,228A patent/CA973564A/en not_active Expired
- 1971-12-29 NO NO4930/71A patent/NO135246C/no unknown
- 1971-12-30 IT IT55121/71A patent/IT945737B/it active
- 1971-12-30 ES ES398493A patent/ES398493A1/es not_active Expired
- 1971-12-30 CS CS9139A patent/CS171245B2/cs unknown
- 1971-12-30 SE SE7116946A patent/SE420719B/xx unknown
- 1971-12-30 BR BR8671/71A patent/BR7108671D0/pt unknown
- 1971-12-30 RO RO7100069266A patent/RO63722A/ro unknown
- 1971-12-30 DE DE2165711A patent/DE2165711C3/de not_active Expired
- 1971-12-31 BG BG019391A patent/BG26665A3/xx unknown
- 1971-12-31 YU YU3326/71A patent/YU39704B/xx unknown
- 1971-12-31 FI FI3764/71A patent/FI54914C/fi active

Also Published As

Publication number	Publication date
CS171245B2 (xx)	1976-10-29
FI54914C (fi)	1979-04-10
YU332671A (en)	1982-02-28
US3867442A (en)	1975-02-18
NL168506B (nl)	1981-11-16
ZA718580B (en)	1972-09-27
NL168506C (nl)	1982-04-16
YU39704B (en)	1985-04-30
PL90701B1 (xx)	1977-01-31
GB1365707A (en)	1974-09-04
SE420719B (sv)	1981-10-26
NL7019056A (xx)	1972-07-04
BR7108671D0 (pt)	1973-05-15
JPS511691B1 (xx)	1976-01-20
FI54914B (fi)	1978-12-29
NO135246C (xx)	1977-03-09
IT945737B (it)	1973-05-10
ES398493A1 (es)	1974-08-16
NO135246B (xx)	1976-11-29
BG26665A3 (bg)	1979-05-15
DE2165711C3 (de)	1974-01-31
DE2165711B2 (de)	1973-06-28
HU168681B (xx)	1976-06-28
DE2165711A1 (de)	1972-07-06
CA973564A (en)	1975-08-26
RO63722A (fr)	1978-12-15
SU651692A3 (ru)	1979-03-05
AU3730171A (en)	1973-06-28
FR2121068A5 (xx)	1972-08-18
AT319965B (de)	1975-01-27

Legal Events

Date

Code

Title

Description

1987-06-30

RE

Patent lapsed

Owner name: STAMICARBON N.V.

Effective date: 19861231

Publication	Publication Date	Title
BE838223Q (fr)	1976-05-28	Procede d'hydrodesulfuration
BE770625A (fr)	1972-01-28	Procede de preparation d'analgesiques
CH552610A (fr)	1974-08-15	Procede de preparation d'azapurinones.
BE763528A (fr)	1971-08-26	Procede de preparation de methylazoles n-(1,1,1-trisubstitues)
BE762438A (fr)	1971-07-16	Procede de denicotinisation
BE757476A (fr)	1971-03-16	Procede d'oxydeshydrogenation
BE777470A (fr)	1972-06-29	Procede de preparation d'uree
BE771169A (fr)	1972-02-11	Procede de preparation d'isobutylates
BE764883A (fr)	1971-09-27	Procede de preparation d'hydrogenosilanes
BE760672A (fr)	1971-06-22	Procede de production d'alcenes
BE784001A (fr)	1972-09-18	Procede de preparation d'ammoniac
FR2004496A1 (fr)	1969-11-28	Procede d'impression-transfert
BE800798A (fr)	1973-12-12	Preparation d'uree
RO63099A (fr)	1978-09-15	Procede pour la preparation d'uree
BE765530Q (fr)	1971-08-30	Procede de synthese de l'uree
BE746545A (fr)	1970-08-26	Procede de preparation d'oximes
BE766845A (fr)	1971-10-01	Procede de preparation d'azines
BE800799A (fr)	1973-12-12	Preparation d'uree
BE766195A (fr)	1971-10-25	Procede de preparation d'acrylonitrile
BE763011A (fr)	1971-08-16	Procede de preparation de poly-organo-siloxanes
BE767990A (fr)	1971-12-02	Procede de preparation de monochlorobenzaldehydes
BE774905A (fr)	1972-03-01	Procede de preparation de metacroleine
BE768976A (fr)	1971-12-24	Procede de preparation d'isoprene
BE761797A (fr)	1971-07-01	Procede de preparation de vinyl-trichlorosilane
BE775519A (fr)	1972-03-18	Procede de preparation de saligenol