3547612

Information

• Patent Grant
• 3547612

• References
• Source

• Patent Number

  3,547,612

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1970
  54 years ago

• CPC

  • C05F3/02 - Guano
  • Y02P20/145 - the feedstock being materials of biological origin

• US Classifications

  • 071 - Chemistry: fertilizers