FR1252669A - Low biuret urea preparation process - Google Patents

Low biuret urea preparation process

Info

Publication number
FR1252669A
FR1252669A FR812588A FR812588A FR1252669A FR 1252669 A FR1252669 A FR 1252669A FR 812588 A FR812588 A FR 812588A FR 812588 A FR812588 A FR 812588A FR 1252669 A FR1252669 A FR 1252669A
Authority
FR
France
Prior art keywords
preparation process
urea preparation
low biuret
biuret urea
low
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
FR812588A
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.)
Toyo Koatsu Industries Inc
Original Assignee
Toyo Koatsu Industries Inc
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 Koatsu Industries Inc filed Critical Toyo Koatsu Industries Inc
Priority to FR812588A priority Critical patent/FR1252669A/en
Application granted granted Critical
Publication of FR1252669A publication Critical patent/FR1252669A/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)
FR812588A 1959-12-09 1959-12-09 Low biuret urea preparation process Expired FR1252669A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR812588A FR1252669A (en) 1959-12-09 1959-12-09 Low biuret urea preparation process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR812588A FR1252669A (en) 1959-12-09 1959-12-09 Low biuret urea preparation process

Publications (1)

Publication Number Publication Date
FR1252669A true FR1252669A (en) 1961-02-03

Family

ID=8722373

Family Applications (1)

Application Number Title Priority Date Filing Date
FR812588A Expired FR1252669A (en) 1959-12-09 1959-12-09 Low biuret urea preparation process

Country Status (1)

Country Link
FR (1) FR1252669A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3287407A (en) * 1961-11-28 1966-11-22 Montedison Spa Purification of urea
US3378585A (en) * 1962-07-27 1968-04-16 Montedison Spa Process for the production of urea

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3287407A (en) * 1961-11-28 1966-11-22 Montedison Spa Purification of urea
US3378585A (en) * 1962-07-27 1968-04-16 Montedison Spa Process for the production of urea

Similar Documents

Publication Publication Date Title
FR1247162A (en) Ammonium para-tungstate preparation process
CH392555A (en) Process for the preparation of α-aminoisobutyrophenones
FR1280616A (en) Improved urea synthesis process
CH397711A (en) Process for the preparation of amino-hydroxy-nitriles
FR1285236A (en) Process for the preparation of 1, 3-diaryl-5-amino-pyridazones- (6)
FR1252669A (en) Low biuret urea preparation process
FR1200634A (en) Urea preparation process
FR1249757A (en) Urea preparation process
BE610728A (en) Process for preparing indium-trialkyls
FR1280827A (en) Process for the preparation of amido-acetals
BE598238A (en) Process for the preparation of amido-acetals
FR1153567A (en) Improved urea preparation process
FR1344156A (en) Process for preparing heparylureas
FR1280607A (en) Process for preparing amidophosphazides
BE596287A (en) Process for the preparation of O-alkyl-hydroxylamines.
FR1167180A (en) Urea preparation process
FR1245607A (en) Process for preparing n.n'-substituted ureas
BE611909A (en) Process for preparing omega-lactams
FR1281555A (en) Urea preparation process
FR1253254A (en) Production process for low biuret urea
FR1251675A (en) Process for preparing ammonium nitrohumate
FR1239023A (en) Process for the preparation of aminoalkyl-hydroxyaryl-ketones, aminoalkyl-alkoxyarylketones and aminoalkyl-alkylthioaryl-ketones
FR1269655A (en) Process for preparing hydrazones
FR1218302A (en) Process for preparing epoxies
FR1273370A (en) Process for preparing amino-pyrazoles