2782858

Information

• Patent Grant
• 2782858

• References
• Source

• Patent Number

  2,782,858

• Date Filed

  Not available

• Date Issued

  Tuesday, February 26, 1957
  67 years ago

• CPC

  • C04B24/24 - Macromolecular compounds
  • C04B24/168 - Polysaccharide derivatives
  • C09K8/46 - containing inorganic binders
  • C09K8/487 - Fluid loss control additives Additives for reducing or preventing circulation loss
  • C04B2103/46 - Water-loss or fluid-loss reducers, hygroscopic or hydrophilic agents, water retention agents

• US Classifications

  • 166 - Wells
  • 106 - Compositions: coating or plastic