CA977776A - Process for the preparation of urea - Google Patents

Process for the preparation of urea

Info

Publication number
CA977776A
CA977776A CA149,865A CA149865A CA977776A CA 977776 A CA977776 A CA 977776A CA 149865 A CA149865 A CA 149865A CA 977776 A CA977776 A CA 977776A
Authority
CA
Canada
Prior art keywords
urea
preparation
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA149,865A
Other languages
English (en)
Other versions
CA149865S (en
Inventor
Dirk J. Venderbos
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stamicarbon BV
Original Assignee
Stamicarbon BV
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
Application filed by Stamicarbon BV filed Critical Stamicarbon BV
Application granted granted Critical
Publication of CA977776A publication Critical patent/CA977776A/en
Expired legal-status Critical Current

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)
  • Agricultural Chemicals And Associated Chemicals (AREA)
CA149,865A 1971-09-02 1972-08-21 Process for the preparation of urea Expired CA977776A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7112061A NL167955C (nl) 1971-09-02 1971-09-02 Werkwijze voor de bereiding van ureum.

Publications (1)

Publication Number Publication Date
CA977776A true CA977776A (en) 1975-11-11

Family

ID=19813930

Family Applications (1)

Application Number Title Priority Date Filing Date
CA149,865A Expired CA977776A (en) 1971-09-02 1972-08-21 Process for the preparation of urea

Country Status (24)

Country Link
US (1) US4066693A (sv)
JP (1) JPS512447B2 (sv)
AT (1) AT318648B (sv)
AU (1) AU464307B2 (sv)
BE (1) BE787832A (sv)
BG (1) BG26809A3 (sv)
BR (1) BR7206062D0 (sv)
CA (1) CA977776A (sv)
CS (1) CS171267B2 (sv)
DD (1) DD100714A5 (sv)
DE (1) DE2241148C3 (sv)
EG (1) EG10737A (sv)
ES (1) ES406183A1 (sv)
FR (1) FR2152018A5 (sv)
GB (1) GB1395071A (sv)
IT (1) IT962294B (sv)
NL (1) NL167955C (sv)
NO (1) NO137385C (sv)
PL (1) PL84195B1 (sv)
SE (1) SE397521B (sv)
SU (1) SU459887A3 (sv)
TR (1) TR17491A (sv)
YU (1) YU36292B (sv)
ZA (1) ZA725666B (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5128299U (sv) * 1974-08-17 1976-03-01
JPS5573651A (en) * 1978-11-30 1980-06-03 Toyo Eng Corp Preparation of urea
NL8101174A (nl) * 1981-03-11 1982-10-01 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.
NL8104039A (nl) * 1981-09-01 1983-04-05 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
IT1211125B (it) * 1981-10-16 1989-09-29 Ortu Francesco Composti azotati. processo per la preparazione di
US4433146A (en) * 1982-04-07 1984-02-21 Stamicarbon B.V. Process for the preparation of melamine
NL8201652A (nl) * 1982-04-21 1983-11-16 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
NL8303424A (nl) * 1983-10-06 1985-05-01 Unie Van Kunstmestfab Bv Werkwijze voor de bereiding van ureum.
JPH0528291U (ja) * 1991-03-19 1993-04-16 コンビ株式会社 トイレツトペーパーホルダー
JPH07313396A (ja) * 1994-05-20 1995-12-05 Takeo Nakajima トイレットペーパーホルダー
EP2602245A1 (en) * 2011-12-05 2013-06-12 Urea Casale SA A process for synthesis of urea and a related arrangement for a reaction section of a urea plant

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3046307A (en) * 1957-04-05 1962-07-24 Distillation process for synthesizing
NL227595A (sv) * 1958-05-07
US3270051A (en) * 1958-05-20 1966-08-30 Inventa Ag Dual step urea production
GB948786A (en) * 1959-10-23 1964-02-05 Toyo Koatsu Ind Inc An improvement in synthesis of urea
NL101446C (sv) * 1960-04-08
GB1147734A (en) * 1966-03-29 1969-04-02 Sumitomo Chemical Co Method for the preparation of urea
FR1487249A (fr) * 1966-04-05 1967-06-30 Inventa Ag Procédé de fabrication de l'urée à partir de l'ammoniac et de l'anhydride carbonique
GB1124547A (en) * 1966-05-02 1968-08-21 Toyo Koatsu Ind Inc Production of urea
FR1491404A (fr) * 1966-06-24 1967-08-11 Pullman Inc Procédé perfectionné de production de l'urée
DE1908355A1 (de) * 1968-03-19 1969-10-09 Mitsui Toatsu Chemicals Verfahren zur Herstellung von Harnstoff
GB1268430A (en) * 1968-12-16 1972-03-29 Snam Progetti Process for the production of urea
DE2026608C3 (de) * 1969-06-11 1978-10-19 Mitsui Toatsu Chemicals, Inc., Tokio Verfahren zur Herstellung von Harnstoff
EG10651A (en) * 1970-04-02 1977-10-31 Snam Progetti Process for prevention reactors corrosion during production of urea

Also Published As

Publication number Publication date
NL167955B (nl) 1981-09-16
GB1395071A (en) 1975-05-21
DE2241148A1 (de) 1973-03-08
DD100714A5 (sv) 1973-10-05
DE2241148B2 (de) 1975-08-21
JPS4834127A (sv) 1973-05-16
CS171267B2 (sv) 1976-10-29
DE2241148C3 (de) 1981-10-01
ES406183A1 (es) 1975-07-01
SE397521B (sv) 1977-11-07
FR2152018A5 (sv) 1973-04-20
NL167955C (nl) 1982-02-16
BG26809A3 (bg) 1979-06-12
ZA725666B (en) 1973-08-29
BR7206062D0 (pt) 1973-07-19
YU222472A (en) 1981-08-31
BE787832A (fr) 1973-02-22
AT318648B (de) 1974-11-11
NL7112061A (sv) 1973-03-06
PL84195B1 (sv) 1976-03-31
JPS512447B2 (sv) 1976-01-26
SU459887A3 (ru) 1975-02-05
NO137385B (no) 1977-11-14
EG10737A (en) 1976-04-30
TR17491A (tr) 1975-07-23
NO137385C (no) 1978-02-22
AU4565872A (en) 1974-02-21
YU36292B (en) 1982-06-18
IT962294B (it) 1973-12-20
US4066693A (en) 1978-01-03
AU464307B2 (en) 1975-08-21

Similar Documents

Publication Publication Date Title
CA1014146A (en) Process for the preparation of desacetoxycephalosporins
CA977776A (en) Process for the preparation of urea
CA975370A (en) Process for the preparation of piperidine-spiro-hydantoin derivatives
CA928720A (en) Process for the preparation of benzylacetate
CA984094A (en) Process for the preparation of polyamides
CA972746A (en) Process for the preparation of methylcobalamine
CA994355A (en) Process for the preparation of multifunctional peroxydiesters
CA989840A (en) Process for the preparation of benzylpyrimidines
CA953301A (en) Process for the preparation of pivalolactone
CA956320A (en) Process for the preparation of 1-monosubstituted-carbamoyl-2-benzimidazolyl-carbamates
CA979019A (en) Process for the preparation of dimethyldecalins
CA962677A (en) Process for the preparation of thiazolino-pyrimidin-5-one derivatives
CA965792A (en) Process for the preparation of vincamin
CA986952A (en) Process for the preparation of urea
AU465178B2 (en) Process for the preparation of dea-steroids
CA942306A (en) Process for the preparation of 1-transcinnamyl-4-diphenylmethylpiperazine
CA995228A (en) Process for the preparation of 2-hydroxymethylcyclopentane derivatives
CA965414A (en) Process for the preparation of 7-chloro-benzodiazepine derivatives
CA976979A (en) Process for the preparation of diaminomaleonitrile
CA861576A (en) Process for the catalytic preparation of divinylcyclobutane
CA863981A (en) Process for the preparation of p-toluenesulfochloride
CA868358A (en) Process for the preparation of tritylamines
CA883923A (en) Process for the preparation of trans-polypentenamer
CA887064A (en) Process for the preparation of n-tritylimidazoles
CA888196A (en) Process for the preparation of benzene-sulphonamides