1967772

Information

• Patent Grant
• 1967772

• References
• Source

• Patent Number

  1,967,772

• Date Filed

  Not available

• Date Issued

  Tuesday, July 24, 1934
  90 years ago

• CPC

  • D01H1/365 - for flyer type
  • C09B1/32 - substituted by aryl groups
  • C09B1/325 - Dyes with no other substituents than the amino groups
  • C10B53/02 - of cellulose-containing material
  • D01H1/00 - Spinning or twisting machines in which the product is wound-up continuously
  • D01H2700/01 - Preparatory spinning machines
  • Y02E50/14 - Bio-pyrolysis

• US Classifications

  • 552 - Organic compounds