IN163016B - - Google Patents

Info

Publication number
IN163016B
IN163016B IN955/MAS/84A IN955MA1984A IN163016B IN 163016 B IN163016 B IN 163016B IN 955MA1984 A IN955MA1984 A IN 955MA1984A IN 163016 B IN163016 B IN 163016B
Authority
IN
India
Prior art keywords
urea
solution
urea solution
concentrating
expand
Prior art date
Application number
IN955/MAS/84A
Other languages
English (en)
Inventor
Cornelis Verweel
Original Assignee
Unie Van Kunstmestfab 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19842845&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IN163016(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Unie Van Kunstmestfab Bv filed Critical Unie Van Kunstmestfab Bv
Publication of IN163016B publication Critical patent/IN163016B/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
    • C07C273/14—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)
  • Fertilizers (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
IN955/MAS/84A 1983-12-07 1984-12-05 IN163016B (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8304211A NL8304211A (nl) 1983-12-07 1983-12-07 Werkwijze voor het concentreren tot een practisch watervrije smelt van een reeds geconcentreerde ureumoplossing.

Publications (1)

Publication Number Publication Date
IN163016B true IN163016B (enExample) 1988-07-30

Family

ID=19842845

Family Applications (1)

Application Number Title Priority Date Filing Date
IN955/MAS/84A IN163016B (enExample) 1983-12-07 1984-12-05

Country Status (8)

Country Link
EP (1) EP0144964B1 (enExample)
JP (1) JPS60185756A (enExample)
AT (1) ATE32510T1 (enExample)
CA (1) CA1244052A (enExample)
DE (1) DE3469356D1 (enExample)
IN (1) IN163016B (enExample)
NL (1) NL8304211A (enExample)
SU (1) SU1428192A3 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0302213A1 (en) * 1987-08-04 1989-02-08 Ammonia Casale S.A. Process for the recovery of urea entrained by vapours in vacuum concentration systems

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1184991A (fr) * 1956-10-26 1959-07-28 Stamicarbon Procédé pour concentrer des solutions d'urée en une masse sensiblement exempte d'eau
ES238105A1 (es) * 1956-10-26 1958-04-01 Stamicarbon UN PROCEDIMIENTO PARA LA PRODUCCIoN DE UREA SUSTANCIALMENTE ANHIDRA

Also Published As

Publication number Publication date
JPS60185756A (ja) 1985-09-21
CA1244052A (en) 1988-11-01
ATE32510T1 (de) 1988-03-15
SU1428192A3 (ru) 1988-09-30
DE3469356D1 (en) 1988-03-24
EP0144964B1 (en) 1988-02-17
EP0144964A3 (en) 1985-07-17
NL8304211A (nl) 1985-07-01
EP0144964A2 (en) 1985-06-19

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