2692198

Information

• Patent Grant
• 2692198

• References
• Source

• Patent Number

  2,692,198

• Date Filed

  Not available

• Date Issued

  Tuesday, October 19, 1954
  71 years ago

• CPC

  • G03F5/14 - by contact methods
  • G03F7/06 - Silver salts

• US Classifications

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