2787543

Information

• Patent Grant
• 2787543

• References
• Source

• Patent Number

  2,787,543

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1957
  67 years ago

• CPC

  • G03C7/20 - Subtractive colour processes using differently sensitised films, each coated on its own base
  • G03F3/10 - Checking the colour or tonal value of separation negatives or positives

• US Classifications

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