3428949

Information

• Patent Grant
• 3428949

• References
• Source

• Patent Number

  3,428,949

• Date Filed

  Not available

• Date Issued

  Tuesday, February 18, 1969
  56 years ago

• CPC

  • G08C19/28 - using pulse code
  • B01J37/0018 - Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(
  • C09B1/545 - Anthraquinones with aliphatic, cycloaliphatic or araliphatic ether groups
  • C09B43/36 - with amino-anthracene or amino-anthraquinone dyes
  • C09B62/024 - Anthracene dyes

• US Classifications

  • 340 - Communications: electrical