2816815

Information

• Patent Grant
• 2816815

• References
• Source

• Patent Number

  2,816,815

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1957
  66 years ago

• CPC

  • C01G23/047 - Titanium dioxide
  • C01G23/07 - Producing by vapour phase processes
  • C01G33/00 - Compounda of niobium
  • C01G35/00 - Compounds of tantalum
  • C22B34/1218 - obtaining titanium or titanium compounds from ores or scrap by dry processes
  • C22B34/1222 - using a halogen containing agent
  • C22B34/1286 - using hydrogen containing agents
  • C22B34/24 - Obtaining niobium or tantalum
  • C22B34/1209 - by dry processes
  • Y02P10/23 - of refractory metals

• US Classifications

  • 423 - Chemistry of inorganic compounds