2890169

Information

• Patent Grant
• 2890169

• References
• Source

• Patent Number

  2,890,169

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1959
  65 years ago

• CPC

  • C04B28/02 - containing hydraulic cements other than calcium sulfates
  • C04B24/425 - Organo-modified inorganic compounds
  • C09K8/32 - Non-aqueous well-drilling compositions
  • Y10S507/901 - Organically modified inorganic solid

• US Classifications

  • 507 - Earth boring, well treating, and oil field chemistry
  • 166 - Wells
  • 175 - Boring or penetrating the earth