2843626

Information

• Patent Grant
• 2843626

• References
• Source

• Patent Number

  2,843,626

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1958
  66 years ago

• CPC

  • C07C303/04 - by substitution of hydrogen atoms by sulfo or halosulfonyl groups
  • C07C303/06 - by reaction with sulfuric acid or sulfur trioxide
  • C07C309/28 - having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
  • C10M1/08 - with additives
  • C10M2219/044 - Sulfonic acids, Derivatives thereof
  • C10N2270/02 - concentrating of additives

• US Classifications

  • 562 - Organic compounds