1775159

Information

• Patent Grant
• 1775159

• References
• Source

• Patent Number

  1,775,159

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1930
  94 years ago

• CPC

  • C22B15/006 - working up of molten copper
  • C22B9/006 - with use of an inert protective material including the use of an inert gas
  • C22B15/0039 - in electric furnaces

• US Classifications

  • 148 - Metal treatment
  • 075 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures