3844781

Information

• Patent Grant
• 3844781

• References
• Source

• Patent Number

  3,844,781

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1974
  50 years ago

• CPC

  • C09B1/26 - Dyes with amino groups substituted by hydrocarbon radicals
  • C09B1/02 - Hydroxy-anthraquinones Ethers or esters thereof
  • C09B3/00 - Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
  • C09B39/00 - Other azo dyes prepared by diazotising and coupling
  • C09B43/32 - by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines by reacting keto-groups with amines
  • C09B62/00 - Reactive dyes
  • C09B62/04 - to a triazine ring
  • G03G5/06 - characterised by the photoconductive material being organic
  • G03G5/0624 - containing one hetero ring
  • G03G5/0635 - being six-membered
  • G03G5/0644 - containing two or more hetero rings
  • G03G5/0664 - Dyes
  • 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
  • 534 - Organic compounds
  • 544 - Organic compounds