Classifications

• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
  • C01B21/00—Nitrogen; Compounds thereof
  • C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
  • C01B21/38—Nitric acid
  • C01B21/42—Preparation from nitrates
• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
  • C01B25/00—Phosphorus; Compounds thereof
  • C01B25/16—Oxyacids of phosphorus; Salts thereof
  • C01B25/18—Phosphoric acid
  • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Inorganic Chemistry (AREA)
• Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
• Treatment Of Water By Oxidation Or Reduction (AREA)

Applications Claiming Priority (5)

Publications (1)

Family

ID=27542109

Family Applications (1)

Country Status (6)

• 1969
  • 1969-02-13 IL IL31612A patent/IL31612A/xx unknown
  • 1969-02-14 GB GB1264651D patent/GB1264651A/en not_active Expired
  • 1969-02-14 NL NL6902435A patent/NL6902435A/xx unknown
  • 1969-02-14 BE BE728395D patent/BE728395A/xx unknown
  • 1969-02-14 FR FR6903799A patent/FR2002082A1/fr not_active Withdrawn
  • 1969-02-17 DE DE19691907892 patent/DE1907892A1/de active Pending

Also Published As

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