2197800

Information

• Patent Grant
• 2197800

• References
• Source

• Patent Number

  2,197,800

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1940
  84 years ago

• CPC

  • C07C303/10 - by reaction with sulfur dioxide and halogen or by reaction with sulfuryl halides
  • C07C303/32 - of salts of sulfonic acids
  • Y10S507/936 - Flooding the formation

• US Classifications

  • 562 - Organic compounds
  • 204 - Chemistry: electrical and wave energy
  • 507 - Earth boring, well treating, and oil field chemistry