1984789

Information

• Patent Grant
• 1984789

• References
• Source

• Patent Number

  1,984,789

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1934
  90 years ago

• CPC

  • C13B25/02 - Details
  • B01D19/02 - Foam dispersion or prevention
  • Y10S159/16 - Vacuum

• US Classifications

  • 516 - Colloid systems and wetting agents
  • 159 - Concentrating evaporators