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
  • C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
  • C01B21/086—Compounds containing nitrogen and non-metals and optionally metals containing one or more sulfur atoms
• • 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
  • C01B21/46—Purification; Separation ; Stabilisation

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Inorganic Chemistry (AREA)
• Manufacture And Refinement Of Metals (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=19778859

Family Applications (1)

Country Status (5)

Families Citing this family (1)

• 0
  • BE BE432443D patent/BE432443A/xx unknown
  • NL NL49773D patent/NL49773C/xx active
• 1939
  • 1939-01-30 CH CH211648D patent/CH211648A/de unknown
  • 1939-01-31 GB GB3320/39A patent/GB524531A/en not_active Expired
  • 1939-01-31 FR FR849671D patent/FR849671A/fr not_active Expired

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