3634217

Information

• Patent Grant
• 3634217

• References
• Source

• Patent Number

  3,634,217

• Date Filed

  Not available

• Date Issued

  Tuesday, January 11, 1972
  53 years ago

• CPC

  • C23F1/46 - Regeneration of etching compositions
  • C23F1/32 - Alkaline compositions
  • C25F3/02 - Etching

• US Classifications

  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 216 - Etching a substrate: processes
  • 252 - Compositions