1549906

Information

• Patent Grant
• 1549906

• References
• Source

• Patent Number

  1,549,906

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1925
  99 years ago

• CPC

  • D06P3/44 - preparing azo dyes on the material
  • Y10S8/921 - Cellulose ester or ether

• US Classifications

  • 008 - Bleaching and dyeing