1803395

Information

• Patent Grant
• 1803395

• References
• Source

• Patent Number

  1,803,395

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1931
  93 years ago

• CPC

  • C09B1/205 - Dyes with an unsaturated C on the N atom attached to the nucleus

• US Classifications

  • 552 - Organic compounds