1830852

Information

• Patent Grant
• 1830852

• References
• Source

• Patent Number

  1,830,852

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1931
  92 years ago

• CPC

  • C09B9/02 - of anthracene dyes
  • C09B5/56 - Preparation from starting materials already containing the indanthrene nucleus

• US Classifications

  • 544 - Organic compounds