| 2025/0109,029 | Systems and Methods for Ammonia Purification | Nov 14, 23 | Apr 03, 25 | BECHTEL ENERGY TECHNOLOGIES & SOLUTIONS, INC. |
| 2024/0399,303 | RECOVERING AMMONIA FOR EXAMPLE FROM COMPOSTING | Oct 03, 22 | Dec 05, 24 | ComFerm Holding ApS |
| 2024/0317,596 | LIQUEFIED AMMONIA-AMMONIUM COMPOSITION AND RELATED METHODS | Mar 22, 24 | Sep 26, 24 | Not available |
| 2024/0278,175 | METHOD FOR RECYCLING AMMONIA FROM AMMONIA-CONTAINING GAS OR AMMONIA-CONTAINING LIQUID, AMMONIA RECYCLING DEVICE, AND AMMONIA GAS STORAGE DEVICE | Jun 24, 22 | Aug 22, 24 | Daiseki Co., Ltd.; SyncMOF Inc.; |
| 2024/0262,731 | A System And Method For Recovering Ammonia From an Ammonia-Containing Liquid | May 27, 22 | Aug 08, 24 | Not available |
| 2024/0254,062 | RECIPROCATING FREEZE CONCENTRATION FOR URINE-BASED FERTILIZER PRODUCTION | Jan 09, 24 | Aug 01, 24 | Not available |
| 2019/0210,904 | PROCESS TO RECOVER AMMONIUM BICARBONATE FROM WASTEWATER | Sep 24, 18 | Jul 11, 19 | BION ENVIRONMENTAL TECHNOLOGIES, INC. |
| 2018/0257,944 | SYSTEM AND METHOD FOR AMMONIA DISTILLATION | May 14, 18 | Sep 13, 18 | The Boeing Company |
| 2017/0291,825 | PRODUCTION OF AMMONIUM SULFATE USING A VACUUM ABSORPTION PROCESS | Apr 11, 17 | Oct 12, 17 | Not available |
| 2017/0101,322 | METHOD FOR SEPARATING AMMONIA OUT OF AN ALCOHOLIC SOLUTION IN THE PRESENCE OF CARBONIC ACID COMPOUNDS | Mar 13, 15 | Apr 13, 17 | EVONIK ROEHM GMBH |
| 2015/0329,399 | NUTRIENT RECOVERY PROCESS | Dec 18, 13 | Nov 19, 15 | ANAERGIA INC. |
| 2015/0284,256 | System and Method for Ammonia Distillation | Apr 07, 14 | Oct 08, 15 | THE BOEING COMPANY |
| 2008/0102,014 | Method of Recovering Ammonia | Oct 26, 07 | May 01, 08 | MITSUBISHI GAS CHEMICAL COMPANY, INC. |
| 2003/0132,098 | Method for separating ammonia from solutions containing caprolactam and ammonia | Dec 02, 02 | Jul 17, 03 | BASF AKTIENGESELLSCHAFT |
| 2002/0159,942 | Method for quantitative production of gaseous ammonia | Feb 07, 02 | Oct 31, 02 | The Chemithon Corporation |