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NL189912B - METHOD FOR PREPARING UREA. - Google Patents

METHOD FOR PREPARING UREA.

Info

Publication number
NL189912B
NL189912B NL8007100A NL8007100A NL189912B NL 189912 B NL189912 B NL 189912B NL 8007100 A NL8007100 A NL 8007100A NL 8007100 A NL8007100 A NL 8007100A NL 189912 B NL189912 B NL 189912B
Authority
NL
Netherlands
Prior art keywords
preparing urea
urea
preparing
Prior art date
Application number
NL8007100A
Other languages
Dutch (nl)
Other versions
NL189912C (en
NL8007100A (en
Original Assignee
Toyo Engineering Corp
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 Toyo Engineering Corp filed Critical Toyo Engineering Corp
Publication of NL8007100A publication Critical patent/NL8007100A/en
Publication of NL189912B publication Critical patent/NL189912B/en
Application granted granted Critical
Publication of NL189912C publication Critical patent/NL189912C/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
    • C07C273/04—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)
NL8007100A 1980-12-23 1980-12-30 METHOD FOR PREPARING UREA. NL189912C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8041185A GB2089786B (en) 1980-12-23 1980-12-23 Process for synthesizing urea
GB8041185 1980-12-23

Publications (3)

Publication Number Publication Date
NL8007100A NL8007100A (en) 1982-07-16
NL189912B true NL189912B (en) 1993-04-01
NL189912C NL189912C (en) 1993-09-01

Family

ID=10518194

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8007100A NL189912C (en) 1980-12-23 1980-12-30 METHOD FOR PREPARING UREA.

Country Status (3)

Country Link
FR (1) FR2497511B1 (en)
GB (1) GB2089786B (en)
NL (1) NL189912C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5867661A (en) * 1981-10-16 1983-04-22 Mitsui Toatsu Chem Inc Synthesizing method of urea
IT1212524B (en) * 1982-06-08 1989-11-30 Montedison Spa PROCESS PERFECTED FOR THE TRANSFER, FROM THE LIQUID PHASE TO THE GASEOUS PHASE, OF THE EXCESS AMMONIA CONTAINED IN AQUEOUS SOLUTIONS OF UREA.
NL8502228A (en) * 1985-08-12 1987-03-02 Unie Van Kunstmestfab Bv METHOD FOR THE PREPARATION OF UREA.
NL8502227A (en) * 1985-08-12 1987-03-02 Unie Van Kunstmestfab Bv METHOD FOR THE PREPARATION OF UREA.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE736632A (en) * 1969-07-28 1969-12-31
US4137262A (en) * 1969-10-16 1979-01-30 Snam Progetti S.P.A. Process for the production of urea
NL165712C (en) * 1970-05-30 1981-05-15 Stamicarbon METHOD AND APPARATUS FOR RECOVERY OF AMMONIA AND CARBON DIOXIDE FROM THE SPRAY GAS OF A UREUM SYNTHESIS IN SYNTHESIS PRESSURE.
JPS5268129A (en) * 1975-12-05 1977-06-06 Mitsui Toatsu Chem Inc Recovery of unreacted material and heat on urea synthesis
JPS52105125A (en) * 1976-03-02 1977-09-03 Mitsui Toatsu Chem Inc Separation and recovery of unreacted material on urea synthesis
JPS5573651A (en) * 1978-11-30 1980-06-03 Toyo Eng Corp Preparation of urea

Also Published As

Publication number Publication date
FR2497511A1 (en) 1982-07-09
FR2497511B1 (en) 1986-03-07
GB2089786B (en) 1985-02-20
NL189912C (en) 1993-09-01
NL8007100A (en) 1982-07-16
GB2089786A (en) 1982-06-30

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Legal Events

Date Code Title Description
CNR Transfer of rights (patent application after its laying openfor public ins pection)

Free format text: TOYO ENGINEERING CORPORATION

A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee

Effective date: 19980701