3421833

Information

• Patent Grant
• 3421833

• References
• Source

• Patent Number

  3,421,833

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1969
  56 years ago

• CPC

  • D06P1/145 - using phthalocyanine dyes prepared in situ
  • C07D209/44 - Iso-indoles Hydrogenated iso-indoles
  • C07D209/50 - with oxygen and nitrogen atoms in positions 1 and 3
  • C09B47/073 - Preparation from isoindolenines
  • Y10S8/928 - Polyolefin fiber

• US Classifications

  • 008 - Bleaching and dyeing