1733443

Information

• Patent Grant
• 1733443

• References
• Source

• Patent Number

  1,733,443

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1929
  96 years ago

• CPC

  • C09B49/04 - from amino compounds of the benzene, naphthalene or anthracene series
  • C09B51/00 - Nitro or nitroso dyes
  • C07C2102/10 - The other ring being six-membered (e.d. tetraline)

• US Classifications

  • 562 - Organic compounds