2259641

Information

• Patent Grant
• 2259641

• References
• Source

• Patent Number

  2,259,641

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1941
  83 years ago

• CPC

  • C09B69/04 - of anionic dyes with nitrogen containing compounds
  • C09B51/005 - Nitroso dyes

• US Classifications

  • 556 - Organic compounds
  • 106 - Compositions: coating or plastic