2841493

Information

• Patent Grant
• 2841493

• References
• Source

• Patent Number

  2,841,493

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1958
  66 years ago

• CPC

  • G03C5/22 - Direct chromate processes
  • G03F1/00 - Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles Mask blanks or pellicles therefor Containers specially adapted therefor Preparation thereof

• US Classifications

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