1922982

Information

• Patent Grant
• 1922982

• References
• Source

• Patent Number

  1,922,982

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1933
  91 years ago

• CPC

  • G03C5/22 - Direct chromate processes

• US Classifications

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