3920559

Information

• Patent Grant
• 3920559

• References
• Source

• Patent Number

  3,920,559

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1975
  49 years ago

• CPC

  • C04B33/18 - for liquefying the batches
  • B01D19/0404 - characterised by the nature of the chemical substance
  • C09K8/22 - Synthetic organic compounds

• US Classifications

  • 507 - Earth boring, well treating, and oil field chemistry
  • 516 - Colloid systems and wetting agents