1958307

Information

• Patent Grant
• 1958307

• References
• Source

• Patent Number

  1,958,307

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1934
  90 years ago

• CPC

  • D06P3/22 - preparing azo dyes on the fibre
  • Y10S8/917 - Wool or silk

• US Classifications

  • 008 - Bleaching and dyeing