1785635

Information

• Patent Grant
• 1785635

• References
• Source

• Patent Number

  1,785,635

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1930
  94 years ago

• CPC

  • G03C5/22 - Direct chromate processes

• US Classifications

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