2931272

Information

• Patent Grant
• 2931272

• References
• Source

• Patent Number

  2,931,272

• Date Filed

  Not available

• Date Issued

  Tuesday, April 5, 1960
  64 years ago

• CPC

  • G02B27/26 - involving polarising means
  • C08F8/30 - Introducing nitrogen atoms or nitrogen-containing groups
  • G03C9/04 - vectographic-image
  • Y10S8/10 - Polyvinyl halide esters or alcohol fiber modification
  • Y10S8/21 - Nylon

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 008 - Bleaching and dyeing
  • 359 - Optical: systems and elements
  • 525 - Synthetic resins or natural rubbers