2199806

Information

• Patent Grant
• 2199806

• References
• Source

• Patent Number

  2,199,806

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1940
  84 years ago

• CPC

  • C07C309/32 - containing at least two non-condensed six-membered aromatic rings in the carbon skeleton
  • C07C309/35 - Naphthalene sulfonic acids
  • Y10S516/03 - Organic sulfoxy compound containing

• US Classifications

  • 562 - Organic compounds
  • 516 - Colloid systems and wetting agents