1638492

Information

• Patent Grant
• 1638492

• References
• Source

• Patent Number

  1,638,492

• Date Filed

  Not available

• Date Issued

  Tuesday, August 9, 1927
  97 years ago

• CPC

  • C01D5/004 - Preparation in the form of granules, pieces or other shaped products

• US Classifications

  • 423 - Chemistry of inorganic compounds