2628882

Information

• Patent Grant
• 2628882

• References
• Source

• Patent Number

  2,628,882

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 1953
  72 years ago

• CPC

  • C07D213/20 - Quaternary compounds thereof
  • C07D213/71 - to which a second hetero atom is attached
  • C07D215/10 - Quaternary compounds
  • D06P1/28 - Esters of vat dyestuffs
  • D06P1/655 - Compounds containing ammonium groups

• US Classifications

  • 008 - Bleaching and dyeing
  • 546 - Organic compounds