1699377

Information

• Patent Grant
• 1699377

• References
• Source

• Patent Number

  1,699,377

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1929
  95 years ago

• CPC

  • C01B17/40 - Making shaped products
  • C01P2004/32 - Spheres

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 023 - Chemistry: physical processes