2231684

Information

• Patent Grant
• 2231684

• References
• Source

• Patent Number

  2,231,684

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1941
  83 years ago

• CPC

  • G03C7/3029 - Materials characterised by a specific arrangement of layers
  • G03C1/30 - Hardeners
  • G03C2001/0476 - Swelling of gelatine
  • G03C2007/3027 - Thickness of a layer

• US Classifications

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