3635826

Information

• Patent Grant
• 3635826

• References
• Source

• Patent Number

  3,635,826

• Date Filed

  Not available

• Date Issued

  Tuesday, January 18, 1972
  54 years ago

• CPC

  • C23G1/088 - solutions containing organic acids
  • C23C22/47 - containing also phosphates
  • C23G1/125 - aluminium

• US Classifications

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