3880841

Information

• Patent Grant
• 3880841

• References
• Source

• Patent Number

  3,880,841

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1975
  49 years ago

• CPC

  • C07C251/72 - Hydrazones
  • C07D249/06 - with aryl radicals directly attached to ring atoms
  • C07F9/4056 - Esters of arylalkanephosphonic acids
  • C08K5/3472 - Five-membered rings
  • D06L3/1228 - with disperse brighteners
  • D06L3/1264 - Optical brighteners preparations, physical treatments of optical brighteners, optical brighteners in aerosol form

• US Classifications

  • 548 - Organic compounds
  • 106 - Compositions: coating or plastic
  • 252 - Compositions
  • 524 - Synthetic resins or natural rubbers
  • 564 - Organic compounds
  • 987 - Organic compounds containing a bi, sb, as, or p atom or containing a metal atom of the 6th to 8th group of the periodic system