3880890

Information

• Patent Grant
• 3880890

• References
• Source

• Patent Number

  3,880,890

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1975
  49 years ago

• CPC

  • C09B67/0017 - Influencing the physical properties by treatment with an acid, H2SO4
  • C09B3/18 - Preparation from starting materials already containing the perylene nucleus
  • C09B67/00 - Influencing the physical

• US Classifications

  • 549 - Organic compounds
  • 106 - Compositions: coating or plastic