1642667

Information

• Patent Grant
• 1642667

• References
• Source

• Patent Number

  1,642,667

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1927
  97 years ago

• CPC

  • C01D9/00 - Nitrates of sodium, potassium or alkali metals in general
  • C01F7/20 - Preparation of aluminium oxide or hydroxide from aluminous ores with acids or salts
  • C01F7/24 - with nitric acid or nitrogen oxides

• US Classifications

  • 423 - Chemistry of inorganic compounds