3909404

Information

• Patent Grant
• 3909404

• References
• Source

• Patent Number

  3,909,404

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1975
  49 years ago

• CPC

  • C25D3/08 - Deposition of black chromium

• US Classifications

  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions