3491127

Information

• Patent Grant
• 3491127

• References
• Source

• Patent Number

  3,491,127

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1970
  55 years ago

• CPC

  • G03C8/18 - Dye developers
  • C09B1/5155 - only amino and hydroxy groups

• US Classifications

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