2734900

Information

• Patent Grant
• 2734900

• References
• Source

• Patent Number

  2,734,900

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1956
  69 years ago

• CPC

  • C07D263/56 - with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
  • C07D277/64 - with only hydrocarbon or substituted hydrocarbon radicals attached in position 2
  • C07D277/84 - Naphthothiazoles
  • C07D417/06 - linked by a carbon chain containing only aliphatic carbon atoms
  • C09B23/0008 - substituted on the polymethine chain
  • C09B23/0066 - the polymethine chain being part of a carbocyclic ring,(
  • C09B23/0091 - having only one heterocyclic ring at one end of the methine chain
  • C09B23/04 - one >CH- group
  • C09B23/145 - the ethylene chain carrying an heterocyclic residue
  • C09B23/146 - (Benzo)thiazolstyrylamino dyes
  • G03C1/12 - Methine and polymethine dyes

• US Classifications

  • 548 - Organic compounds
  • 359 - Optical: systems and elements
  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 544 - Organic compounds
  • 546 - Organic compounds