2173178

Information

• Patent Grant
• 2173178

• References
• Source

• Patent Number

  2,173,178

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1939
  85 years ago

• CPC

  • D06P3/44 - preparing azo dyes on the material
  • D06P1/65125 - Compounds containing ester groups
  • D06P1/926 - Non-halogenated hydrocarbons

• US Classifications

  • 008 - Bleaching and dyeing