GB1318666A - Process for the production of non-caking urea - Google Patents

Process for the production of non-caking urea

Info

Publication number
GB1318666A
GB1318666A GB3573071A GB3573071A GB1318666A GB 1318666 A GB1318666 A GB 1318666A GB 3573071 A GB3573071 A GB 3573071A GB 3573071 A GB3573071 A GB 3573071A GB 1318666 A GB1318666 A GB 1318666A
Authority
GB
United Kingdom
Prior art keywords
urea
caking
production
caking urea
sulphate
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
GB3573071A
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.)
Union Rheinische Braunkohlen Kraftstoff AG
Original Assignee
Union Rheinische Braunkohlen Kraftstoff AG
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 Union Rheinische Braunkohlen Kraftstoff AG filed Critical Union Rheinische Braunkohlen Kraftstoff AG
Publication of GB1318666A publication Critical patent/GB1318666A/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

Abstract

1318666 Non-caking urea UNION RHEINISCHE BRAUNKOHLEN KRAFTSTOFF AG 29 July 1971 [12 Aug 1970] 35730/71 Heading C2C Non-caking urea is produced by adding sodium sulphate, sodium hydrogen sulphate or an organic sulphur compound to a urea solution before crystallization or pelletting.
GB3573071A 1970-08-12 1971-07-29 Process for the production of non-caking urea Expired GB1318666A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702040071 DE2040071A1 (en) 1970-08-12 1970-08-12 Process for making non-baking urea

Publications (1)

Publication Number Publication Date
GB1318666A true GB1318666A (en) 1973-05-31

Family

ID=5779548

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3573071A Expired GB1318666A (en) 1970-08-12 1971-07-29 Process for the production of non-caking urea

Country Status (5)

Country Link
BE (1) BE770932A (en)
DE (1) DE2040071A1 (en)
FR (1) FR2104243A5 (en)
GB (1) GB1318666A (en)
NL (1) NL7110580A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3135885A1 (en) 2022-05-25 2023-12-01 Sipa Services Device for closing holes for panels, particularly furniture

Also Published As

Publication number Publication date
BE770932A (en) 1971-12-16
NL7110580A (en) 1972-02-15
FR2104243A5 (en) 1972-04-14
DE2040071A1 (en) 1972-02-17

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees