1347823

Information

• Patent Grant
• 1347823

• References
• Source

• Patent Number

  1,347,823

• Date Filed

  Not available

• Date Issued

  Tuesday, July 27, 1920
  104 years ago

• CPC

  • C05F7/00 - Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
  • C05D3/02 - from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products
  • C05F1/007 - from derived products of animal origin or their wastes
  • Y02P20/145 - the feedstock being materials of biological origin
  • Y10S210/919 - using combined systems by merging parallel diverse waste systems

• US Classifications

  • 071 - Chemistry: fertilizers
  • 210 - Liquid purification or separation