3890146

Information

• Patent Grant
• 3890146

• References
• Source

• Patent Number

  3,890,146

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1975
  49 years ago

• CPC

  • C09B43/32 - by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines by reacting keto-groups with amines
  • C09B1/26 - Dyes with amino groups substituted by hydrocarbon radicals
  • C09B39/00 - Other azo dyes prepared by diazotising and coupling
  • C09B62/00 - Reactive dyes
  • G03G5/0661 - in different ring systems, each system containing at least one hetero ring
  • G03G5/0679 - Disazo dyes
  • G03G5/12 - Recording members for multicolour processes
  • G03G9/0926 - characterised by physical or chemical properties
  • G03G17/04 - using photoelectrophoresis

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 548 - Organic compounds