2132456

Information

• Patent Grant
• 2132456

• References
• Source

• Patent Number

  2,132,456

• Date Filed

  Not available

• Date Issued

  Tuesday, October 11, 1938
  86 years ago

• CPC

  • D06P3/44 - preparing azo dyes on the material

• US Classifications

  • 008 - Bleaching and dyeing
  • 534 - Organic compounds