Classifications

• • C—CHEMISTRY; METALLURGY
  • C05—FERTILISERS; MANUFACTURE THEREOF
  • C05C—NITROGENOUS FERTILISERS
  • C05C9/00—Fertilisers containing urea or urea compounds
  • C05C9/005—Post-treatment
• • 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
• • 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

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=11171223

Family Applications (1)

Country Status (12)

Families Citing this family (6)

Family Cites Families (3)

• 1967
  • 1967-07-10 GR GR670133978A patent/GR33978B/en unknown
  • 1967-07-20 BE BE701633D patent/BE701633A/xx not_active IP Right Cessation
  • 1967-07-21 DE DE1967S0110929 patent/DE1618926B1/en not_active Withdrawn
  • 1967-07-22 ES ES343801A patent/ES343801A1/en not_active Expired
  • 1967-07-24 JP JP42047285A patent/JPS5127659B1/ja active Pending
  • 1967-07-24 CS CS5415A patent/CS163163B2/cs unknown
  • 1967-07-25 LU LU54171D patent/LU54171A1/xx unknown
  • 1967-07-25 CH CH1060067A patent/CH471089A/en not_active IP Right Cessation
  • 1967-07-26 BR BR191527/67A patent/BR6791527D0/en unknown
  • 1967-07-26 SE SE6710879*A patent/SE387334B/en unknown
  • 1967-07-27 YU YU1507/67A patent/YU33783B/en unknown
  • 1967-07-27 NL NL676710422A patent/NL145849B/en not_active IP Right Cessation

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