FR1140149A - Process for the preparation of coarse-grained urea - Google Patents

Process for the preparation of coarse-grained urea

Info

Publication number
FR1140149A
FR1140149A FR1140149DA FR1140149A FR 1140149 A FR1140149 A FR 1140149A FR 1140149D A FR1140149D A FR 1140149DA FR 1140149 A FR1140149 A FR 1140149A
Authority
FR
France
Prior art keywords
coarse
preparation
grained
urea
grained urea
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
Other languages
French (fr)
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 FR1140149A publication Critical patent/FR1140149A/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
    • C07C273/14—Separation; Purification; Stabilisation; Use of additives
    • C07C273/16—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1140149D 1955-01-14 1956-01-12 Process for the preparation of coarse-grained urea Expired FR1140149A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1140149X 1955-01-14

Publications (1)

Publication Number Publication Date
FR1140149A true FR1140149A (en) 1957-07-11

Family

ID=19870131

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1140149D Expired FR1140149A (en) 1955-01-14 1956-01-12 Process for the preparation of coarse-grained urea

Country Status (1)

Country Link
FR (1) FR1140149A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3027250A (en) * 1956-10-02 1962-03-27 Basf Ag Production of non-caking urea

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3027250A (en) * 1956-10-02 1962-03-27 Basf Ag Production of non-caking urea

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