3583998

Information

• Patent Grant
• 3583998

• References
• Source

• Patent Number

  3,583,998

• Date Filed

  Not available

• Date Issued

  Tuesday, June 8, 1971
  53 years ago

• CPC

  • C09B51/00 - Nitro or nitroso dyes
  • B21D53/04 - of sheet metal
  • C08K5/0041 - Optical brightening agents, organic pigments
  • C08K5/29 - Compounds containing one or more carbon-to-nitrogen double bonds
  • C09B1/002 - containing onium groups
  • C09B1/207 - Dyes with amino groups and with onium groups
  • C09B1/28 - substituted by alkyl, aralkyl or cyclo alkyl groups
  • C09B1/32 - substituted by aryl groups
  • C09B1/50 - Amino-hydroxy-anthraquinones Ethers and esters thereof
  • C09B1/51 - N-substituted amino-hydroxy anthraquinone
  • C09B1/542 - Anthraquinones with aliphatic, cycloaliphatic, araliphatic or aromatic ether groups
  • C09B44/02 - containing ammonium groups not directly attached to an azo group
  • C09B62/66 - Azo dyes

• US Classifications

  • 546 - Organic compounds
  • 544 - Organic compounds
  • 548 - Organic compounds