Class C05B : PHOSPHATIC FERTILISERS
Subclass 11/10: Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using orthophosphoric acid
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11167989 | Method for recovering phosphorus | Aug 22, 16 | Nov 09, 21 | ZENTRUM FÜR SONNENENERGIE-UND WASSERSTOFF-FORSCHUNG BADEN-WÜRTTEMBERG GEMEINNÜTZIGE STIFTUNG |
| 10508060 | Fertilizer with organic potassium salts | Jul 04, 19 | Dec 17, 19 | Nachurs Alpine Solutions, Corp. |
| 9963759 | Method for recovering ash from waste incineration | Dec 19, 14 | May 08, 18 | ECOPHOS S.A. |
| 9738522 | Production of ammonium phosphates | Jun 19, 13 | Aug 22, 17 | EASYMINING SWEDEN AB |
| 6821311 | Method for treating fertilizer process solutions | Apr 08, 02 | Nov 23, 04 | KEMIRA AGRO OY, SQM VITAS FZCO, |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2023/0159,402 | METHOD FOR MANUFACTURING FERTILIZER | Mar 31, 21 | May 25, 23 | EC-Showa Denko K.K. |
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