3912712

Information

• Patent Grant
• 3912712

• References
• Source

• Patent Number

  3,912,712

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1975
  49 years ago

• CPC

  • C07C255/00 - Carboxylic acid nitriles
  • C07D233/72 - Two oxygen atoms
  • C07D333/38 - Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen
  • C09B33/02 - Disazo dyes
  • C09B43/00 - Preparation of azo dyes from other azo compounds
  • C09B43/06 - by oxidation
  • C09B43/11 - by introducing hydrocarbon radicals or substituted hydrocarbon radicals on primary or secondary amino groups
  • C09B43/12 - by acylation of amino groups
  • C09B44/005 - Special process features in the quaternization reaction

• US Classifications

  • 534 - Organic compounds
  • 106 - Compositions: coating or plastic
  • 558 - Organic compounds
  • 560 - Organic compounds
  • 564 - Organic compounds