Classifications

• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
  • C01B17/00—Sulfur; Compounds thereof
  • C01B17/69—Sulfur trioxide; Sulfuric acid
  • C01B17/74—Preparation
• • 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)

Applications Claiming Priority (1)

Publications (1)

Family

ID=6122069

Family Applications (1)

Country Status (3)

Families Citing this family (1)

• 0
  • BE BE359697D patent/BE359697A/xx unknown
• 1929
  • 1929-04-08 FR FR672811D patent/FR672811A/fr not_active Expired
  • 1929-04-12 GB GB11407/29A patent/GB309604A/en not_active Expired

Also Published As

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