3749590

Information

• Patent Grant
• 3749590

• References
• Source

• Patent Number

  3,749,590

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1973
  51 years ago

• CPC

  • C09B68/441 - Sulfonic acid derivatives
  • C09B47/26 - Amide radicals
  • C09B67/0035 - Mixtures of phthalocyanines
  • C09B69/04 - of anionic dyes with nitrogen containing compounds

• US Classifications

  • 106 - Compositions: coating or plastic
  • 540 - Organic compounds