1740890

Information

• Patent Grant
• 1740890

• References
• Source

• Patent Number

  1,740,890

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1929
  95 years ago

• CPC

  • D06P1/623 - Aliphatic, aralophatic or cycloaliphatic
  • D06P1/227 - Specific dyes not provided for in groups D06P1/228 - D06P1/28
  • Y10S8/921 - Cellulose ester or ether

• US Classifications

  • 008 - Bleaching and dyeing