1418771

Information

• Patent Grant
• 1418771

• References
• Source

• Patent Number

  1,418,771

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1922
  102 years ago

• CPC

  • C07C209/38 - by reduction of nitroso groups
  • C07C211/51 - Phenylenediamines
  • C07C211/52 - the carbon skeleton being further substituted by halogen atoms or by nitro or nitroso groups

• US Classifications

  • 564 - Organic compounds
  • 525 - Synthetic resins or natural rubbers