3850249

Information

• Patent Grant
• 3850249

• References
• Source

• Patent Number

  3,850,249

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1974
  50 years ago

• CPC

  • B01J31/0237 - Amines
  • B01J31/0202 - Alcohols or phenols
  • B01J31/0205 - comprising carbonyl groups or oxygen-containing derivatives
  • B01J31/0225 - comprising sulfonic acid groups or the corresponding salts
  • B01J31/0231 - Halogen-containing compounds
  • C08G65/36 - Furfuryl alcohol
  • C08J3/24 - Crosslinking
  • C09K8/5086 - obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • C09K8/60 - Compositions for stimulating production by acting on the underground formation

• US Classifications

  • 166 - Wells