3437331

Information

• Patent Grant
• 3437331

• References
• Source

• Patent Number

  3,437,331

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1969
  55 years ago

• CPC

  • C22B19/04 - Obtaining zinc by distilling
  • C22B19/32 - Refining zinc

• US Classifications

  • 266 - Metallurgical apparatus
  • 075 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures