2677693

Information

• Patent Grant
• 2677693

• References
• Source

• Patent Number

  2,677,693

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1954
  70 years ago

• CPC

  • C09B3/12 - Dibenzanthronyls
  • C09B3/32 - by halogenation

• US Classifications

  • 552 - Organic compounds