2892835

Information

• Patent Grant
• 2892835

• References
• Source

• Patent Number

  2,892,835

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1959
  65 years ago

• CPC

  • C09B23/146 - (Benzo)thiazolstyrylamino dyes
  • C07D277/64 - with only hydrocarbon or substituted hydrocarbon radicals attached in position 2
  • C09B23/02 - the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
  • C09B23/10 - The polymethine chain containing an even number of >CH- groups
  • C09B23/145 - the ethylene chain carrying an heterocyclic residue
  • G03C1/12 - Methine and polymethine dyes

• US Classifications

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