3637387

Information

• Patent Grant
• 3637387

• References
• Source

• Patent Number

  3,637,387

• Date Filed

  Not available

• Date Issued

  Tuesday, January 25, 1972
  52 years ago

• CPC

  • G03C1/48561 - hydrazine compounds
  • G03C1/485 - Direct positive emulsions
  • G03C1/48553 - the fogging agent only present in the developer

• US Classifications

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