2224269

Information

• Patent Grant
• 2224269

• References
• Source

• Patent Number

  2,224,269

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1940
  84 years ago

• CPC

  • G03F1/68 - Preparation processes not covered by groups G03F1/20 - G03F1/50
  • G03F1/0038 - using chemical means
  • Y10S430/152 - Making camera copy
  • Y10T428/24835 - including developable image or soluble portion in coating or impregnation [e.g., safety paper, etc.]

• US Classifications

  • 427 - Coating processes
  • 428 - Stock material or miscellaneous articles
  • 430 - Radiation imagery chemistry: process, composition, or product thereof