3893941

Information

• Patent Grant
• 3893941

• References
• Source

• Patent Number

  3,893,941

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1975
  50 years ago

• CPC

  • D21C3/28 - Prevention of foam
  • B01D19/0404 - characterised by the nature of the chemical substance

• US Classifications

  • 516 - Colloid systems and wetting agents
  • 162 - Paper making and fiber liberation