2740758

Information

• Patent Grant
• 2740758

• References
• Source

• Patent Number

  2,740,758

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1956
  68 years ago

• CPC

  • C09K8/32 - Non-aqueous well-drilling compositions
  • Y10S507/907 - Indicating means
  • Y10S507/91 - Earth boring fluid devoid of discrete aqueous phase

• US Classifications

  • 507 - Earth boring, well treating, and oil field chemistry
  • 250 - Radiant energy