3698858

Information

• Patent Grant
• 3698858

• References
• Source

• Patent Number

  3,698,858

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1972
  52 years ago

• CPC

  • C01B17/92 - Recovery from acid tar or the like

• US Classifications

  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 423 - Chemistry of inorganic compounds