2281609

Information

• Patent Grant
• 2281609

• References
• Source

• Patent Number

  2,281,609

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1942
  82 years ago

• CPC

  • C09H1/04 - of hides, hoofs, or leather scrap

• US Classifications

  • 530 - Chemistry: natural resins or derivatives
  • 209 - Classifying, separating, and assorting solids
  • 210 - Liquid purification or separation