1963909

Information

• Patent Grant
• 1963909

• References
• Source

• Patent Number

  1,963,909

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1934
  90 years ago

• CPC

  • C05F1/007 - from derived products of animal origin or their wastes
  • Y02P20/145 - the feedstock being materials of biological origin

• US Classifications

  • 071 - Chemistry: fertilizers