2901351

Information

• Patent Grant
• 2901351

• References
• Source

• Patent Number

  2,901,351

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1959
  65 years ago

• CPC

  • C07D239/22 - with hetero atoms directly attached to ring carbon atoms
  • G03C1/48592 - Positive image obtained by various effects other than photohole bleaching or internal image desensitisation

• US Classifications

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