Description
Class C01C : AMMONIA; CYANOGEN; COMPOUNDS THEREOF
Subclass 1/10: Ammonia; Compounds thereof Preparation or separation of ammonia Separation of ammonia from ammonia liquors, e.g. gas liquors
C01C 1/10
Sub-Class
Stats
- 20 US PATENTS IN FORCE
- 2 US APPLICATIONS PENDING
- 11 Total Patent Owners
- 81 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11897822 | Reciprocating freeze concentration for urine-based fertilizer production | Nov 09, 20 | Feb 13, 24 | The Regents of the University of Michigan |
| 11492271 | Systems and methods for removing ammonia from an ammonia-containing liquid | Jun 28, 19 | Nov 08, 22 | Process Limited |
| 11485645 | System for ammonia distillation | May 14, 18 | Nov 01, 22 | The Boeing Company |
| 11453951 | Method for ammonia recovery from contaminated water including solvay effluent and aqueous solutions | Jun 07, 21 | Sep 27, 22 | United Arab Emirates University |
| 11447428 | Organic ammonium compositions and methods of their use and making | Apr 05, 21 | Sep 20, 22 | California Safe Soil, LLC |
| 10793458 | Process to recover ammonium bicarbonate from wastewater | Sep 24, 18 | Oct 06, 20 | BION ENVIRONMENTAL TECHNOLOGIES, INC. |
| 10155719 | Method of purifying nitrated aromatic compounds from a nitration process | Jun 12, 15 | Dec 18, 18 | NORAM International Limited |
| 10106447 | Process to recover ammonium bicarbonate from wastewater | Sep 14, 15 | Oct 23, 18 | BION ENVIRONMENTAL TECHNOLOGIES, INC. |
| 10053369 | Production of ammonium sulfate using a vacuum absorption process | Apr 11, 17 | Aug 21, 18 | The Research Foundation for the State University of New York |
| 10022650 | Systems and methods for enhanced separation of hydrogen sulfide and ammonia in a hydrogen sulfide stripper | Mar 05, 15 | Jul 17, 18 | Bechtel Hydrocarbon Technology Solutions, Inc. |
| 10005021 | System and method for recovering ammonia from a gas stream | Dec 22, 16 | Jun 26, 18 | General Electric Technology GmbH |
| 9994457 | System and method for ammonia distillation | Apr 07, 14 | Jun 12, 18 | The Boeing Company |
| 9822020 | Nutrient recovery process | Dec 18, 13 | Nov 21, 17 | ANAERGIA INC. |
| 9669360 | Method for the separation of ammonia and carbon dioxide from aqueous solutions | Dec 07, 15 | Jun 06, 17 | SAIPEM S.P.A. |
| 9416038 | Organics and nutrient recovery from anaerobic digester residues | Feb 17, 12 | Aug 16, 16 | Not available |
| 9266745 | Method for the separation of ammonia and carbon dioxide from aqueous solutions | Sep 01, 10 | Feb 23, 16 | SAIPEM S.P.A. |
| 7785556 | Method of recovering ammonia | Oct 26, 07 | Aug 31, 10 | MITSUBISHI GAS CHEMICAL COMPANY, INC. |
| 7270796 | Ammonium/ammonia removal from a stream | Aug 11, 05 | Sep 18, 07 | THERMOENERGY CORPORATION |
| 6296821 | Complex shaped fiber for particle and molecular filtration | Oct 12, 99 | Oct 02, 01 | BMO HARRIS BANK, N.A., AS SUCCESSOR COLLATERAL AGENT, FRAM GROUP IP LLC, ALLIED-SIGNAL INC., |
| 6290066 | Method for removal of ammonia from fly ash | Mar 26, 99 | Sep 18, 01 | MICHIGAN TECHNOLOGICAL UNIVERSITY, MINERAL RESOURCE TECHNOLOGIES, INC., |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2019/0210,904 | PROCESS TO RECOVER AMMONIUM BICARBONATE FROM WASTEWATER | Sep 24, 18 | Jul 11, 19 | BION ENVIRONMENTAL TECHNOLOGIES, INC. |
| 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 |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 28 Months (last 2 years Issuances)
- 28 Months (last 5 years Issuances)