3917887

Information

• Patent Grant
• 3917887

• References
• Source

• Patent Number

  3,917,887

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1975
  49 years ago

• CPC

  • C25D11/243 - using organic dyestuffs
  • C09B35/461 - D being derived from diaminobenzene

• US Classifications

  • 427 - Coating processes
  • 148 - Metal treatment
  • 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
  • 534 - Organic compounds