3891632

Information

• Patent Grant
• 3891632

• References
• Source

• Patent Number

  3,891,632

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1975
  49 years ago

• CPC

  • C07D249/22 - Naphthotriazoles
  • C07D249/06 - with aryl radicals directly attached to ring atoms
  • C07D249/20 - with aryl radicals directly attached in position 2
  • C07F9/65182 - the phosphorus atom is bonded to a cyclic carbon atom, other than directly, through a heteroatom, or through a hydrocarbon chain which may be broken by at least one nitrogen atom
  • D06L3/12 - Optical bleaching brightening
  • D06L3/1228 - with disperse brighteners

• US Classifications

  • 548 - Organic compounds
  • 106 - Compositions: coating or plastic
  • 252 - Compositions
  • 526 - Synthetic resins or natural rubbers
  • 528 - Synthetic resins or natural rubbers
  • 534 - Organic compounds