3592747

Information

• Patent Grant
• 3592747

• References
• Source

• Patent Number

  3,592,747

• Date Filed

  Not available

• Date Issued

  Tuesday, July 13, 1971
  53 years ago

• CPC

  • C23C22/83 - Chemical after-treatment
  • C04B28/26 - Silicates of the alkali metals
  • C23C22/30 - containing also trivalent chromium
  • C23C22/34 - containing fluorides or complex fluorides
  • C23C22/37 - containing also hexavalent chromium compounds
  • C23C22/44 - containing also fluorides or complex fluorides
  • C23C22/50 - Treatment of iron or alloys based thereon
  • C23C22/52 - Treatment of copper or alloys based thereon
  • C23C22/67 - with solutions containing hexavalent chromium
  • C23C22/68 - using aqueous solutions with pH between 6 and 8
  • C23C24/00 - Coating starting from inorganic powder
  • C04B2111/00482 - Coating or impregnation materials

• US Classifications

  • 427 - Coating processes
  • 148 - Metal treatment
  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 216 - Etching a substrate: processes
  • 428 - Stock material or miscellaneous articles