1642535

Information

• Patent Grant
• 1642535

• References
• Source

• Patent Number

  1,642,535

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1927
  97 years ago

• CPC

  • C01B35/1063 - Preparation from boron ores or borates using acids or salts
  • C01D5/14 - Preparation of sulfites

• US Classifications

  • 423 - Chemistry of inorganic compounds