3928122

Information

• Patent Grant
• 3928122

• References
• Source

• Patent Number

  3,928,122

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1975
  49 years ago

• CPC

  • C08J3/16 - by coagulating dispersions
  • C08G12/12 - Ureas Thioureas
  • C09B57/00 - Other synthetic dyes of known constitution
  • D21H17/50 - Acyclic compounds
  • D21H21/285 - insoluble
  • D21H21/52 - Additives of definite length or shape
  • C08J2361/24 - with urea or thiourea

• US Classifications

  • 162 - Paper making and fiber liberation