2431256

Information

• Patent Grant
• 2431256

• References
• Source

• Patent Number

  2,431,256

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1947
  77 years ago

• CPC

  • A62D1/0078 - containing proteins or protein derivatives

• US Classifications

  • 516 - Colloid systems and wetting agents
  • 252 - Compositions
  • 435 - Chemistry: molecular biology and microbiology
  • 530 - Chemistry: natural resins or derivatives