3476511

Information

• Patent Grant
• 3476511

• References
• Source

• Patent Number

  3,476,511

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1969
  55 years ago

• CPC

  • C01F7/20 - Preparation of aluminium oxide or hydroxide from aluminous ores with acids or salts
  • Y10S264/43 - Processes of curing clay and concrete materials

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 432 - Heating