2981604

Information

• Patent Grant
• 2981604

• References
• Source

• Patent Number

  2,981,604

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1961
  63 years ago

• CPC

  • C09C1/52 - Channel black; Preparation thereof
  • C01P2002/52 - containing elements as dopants

• US Classifications

  • 423 - Chemistry of inorganic compounds