FR677396A - Improvement in urea synthesis - Google Patents

Improvement in urea synthesis

Info

Publication number
FR677396A
FR677396A FR677396DA FR677396A FR 677396 A FR677396 A FR 677396A FR 677396D A FR677396D A FR 677396DA FR 677396 A FR677396 A FR 677396A
Authority
FR
France
Prior art keywords
improvement
urea synthesis
urea
synthesis
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)
Inventor
Lamb
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 filed Critical
Application granted granted Critical
Publication of FR677396A publication Critical patent/FR677396A/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
    • C07C273/04—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
    • 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)
FR677396D 1928-06-27 1929-06-25 Improvement in urea synthesis Expired FR677396A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US314443XA 1928-06-27 1928-06-27

Publications (1)

Publication Number Publication Date
FR677396A true FR677396A (en) 1930-03-07

Family

ID=21859495

Family Applications (1)

Application Number Title Priority Date Filing Date
FR677396D Expired FR677396A (en) 1928-06-27 1929-06-25 Improvement in urea synthesis

Country Status (3)

Country Link
BE (1) BE361801A (en)
FR (1) FR677396A (en)
GB (1) GB314443A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH326525A (en) * 1950-07-26 1957-12-31 Toyo Koatsu Ind Inc Process for the recovery of excess ammonia in the synthesis of urea
US2694728A (en) * 1952-07-11 1954-11-16 American Cyanamid Co Method of preparing urea
US2894878A (en) * 1953-03-25 1959-07-14 Chemical Construction Corp Recovery of carbon dioxide free ammonia in the production of urea

Also Published As

Publication number Publication date
BE361801A (en) 1900-01-01
GB314443A (en) 1930-12-29

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