1898911

Information

• Patent Grant
• 1898911

• References
• Source

• Patent Number

  1,898,911

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1933
  91 years ago

• CPC

  • C09B45/025 - of azo-pyridone series
  • C09B45/01 - characterised by the method of metallisation
  • C09B45/14 - Monoazo compounds

• US Classifications

  • 534 - Organic compounds