2760890

Information

• Patent Grant
• 2760890

• References
• Source

• Patent Number

  2,760,890

• Date Filed

  Not available

• Date Issued

  Tuesday, August 28, 1956
  68 years ago

• CPC

  • C23C22/27 - Acids

• US Classifications

  • 148 - Metal treatment
  • 216 - Etching a substrate: processes