3088479

Information

• Patent Grant
• 3088479

• References
• Source

• Patent Number

  3,088,479

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1963
  61 years ago

• CPC

  • D06B23/28 - in response to a test conducted on the treating material
  • D06P1/0032 - Determining dye recipes and dyeing parameters; Colour matching or monitoring
  • G01J3/46 - Measurement of colour Colour measuring devices
  • G01J3/463 - Colour matching
  • G01J3/0224 - using polarising or depolarising elements
  • G01J3/501 - Colorimeters using spectrally-selective light sources
  • Y10T137/2509 - By optical or chemical property

• US Classifications

  • 137 - Fluid handling
  • 356 - Optics: measuring and testing