3377212

Information

• Patent Grant
• 3377212

• References
• Source

• Patent Number

  3,377,212

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1968
  57 years ago

• CPC

  • C23C22/73 - characterised by the process
  • C23C22/38 - containing also phosphates

• US Classifications

  • 148 - Metal treatment