1974481

Information

• Patent Grant
• 1974481

• References
• Source

• Patent Number

  1,974,481

• Date Filed

  Not available

• Date Issued

  Tuesday, September 25, 1934
  90 years ago

• CPC

  • C09C1/44 - Carbon
  • Y10S516/901 - Substantially pure carbon

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 106 - Compositions: coating or plastic
  • 516 - Colloid systems and wetting agents