2683643

Information

• Patent Grant
• 2683643

• References
• Source

• Patent Number

  2,683,643

• Date Filed

  Not available

• Date Issued

  Tuesday, July 13, 1954
  70 years ago

• CPC

  • D06P1/145 - using phthalocyanine dyes prepared in situ
  • C09B47/073 - Preparation from isoindolenines
  • Y10S8/918 - Cellulose textile

• US Classifications

  • 008 - Bleaching and dyeing
  • 540 - Organic compounds