1650090

Information

• Patent Grant
• 1650090

• References
• Source

• Patent Number

  1,650,090

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1927
  97 years ago

• CPC

  • C09B43/1247 - with formation of NHSO2R or NHSO3H radicals
  • Y10S8/917 - Wool or silk

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing