3502421

Information

• Patent Grant
• 3502421

• References
• Source

• Patent Number

  3,502,421

• Date Filed

  Not available

• Date Issued

  Tuesday, March 24, 1970
  54 years ago

• CPC

  • D06P1/65112 - Compounds containing aldehyde or ketone groups
  • D06P3/241 - using acid dyes
  • D06P3/246 - using polymeric dyes
  • D06P5/04 - with organic compounds

• US Classifications

  • 008 - Bleaching and dyeing