2872317

Information

• Patent Grant
• 2872317

• References
• Source

• Patent Number

  2,872,317

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1959
  66 years ago

• CPC

  • G03C7/3231 - Couplers containing an indazolone ring
  • C07K5/06078 - and aromatic or cycloaliphatic

• US Classifications

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