3116177

Information

• Patent Grant
• 3116177

• References
• Source

• Patent Number

  3,116,177

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1963
  61 years ago

• CPC

  • C23C22/46 - containing oxalates
  • C23C22/47 - containing also phosphates
  • C23C22/83 - Chemical after-treatment

• US Classifications

  • 148 - Metal treatment