2431956

Information

• Patent Grant
• 2431956

• References
• Source

• Patent Number

  2,431,956

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1947
  77 years ago

• CPC

  • D06P3/78 - preparing azo dyes on the material

• US Classifications

  • 008 - Bleaching and dyeing
  • 521 - Synthetic resins or natural rubbers