2171828

Information

• Patent Grant
• 2171828

• References
• Source

• Patent Number

  2,171,828

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1939
  85 years ago

• CPC

  • C09B45/16 - containing chromium
  • C09B45/34 - Preparation from o-monohydroxy azo compounds having in the o'-position an atom or functional group other than hydroxyl, alkoxy, carboxyl, amino or keto groups

• US Classifications

  • 534 - Organic compounds