Description
Class C01C : AMMONIA; CYANOGEN; COMPOUNDS THEREOF
Subclass 1/24: Ammonia; Compounds thereof Sulfates of ammonium (C01C 1/14 takes precedence)
C01C 1/24
Sub-Class
Stats
- 46 US PATENTS IN FORCE
- 5 US APPLICATIONS PENDING
- 21 Total Patent Owners
- 186 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12221354 | Solubility enhancing composition | Feb 03, 22 | Feb 11, 25 | ITI Technologies, Inc. |
| 11939227 | Methods and systems for utilizing calcium compound from calcined limestone | Jul 20, 20 | Mar 26, 24 | Arelac, Inc. |
| 11827524 | Method for preparing cathode active material precursor for secondary battery, and preparation apparatus using same | Jun 19, 18 | Nov 28, 23 | POSCO HOLDINGS INC.; RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY; POSCO FUTURE M CO., LTD.; |
| 11529584 | Acid gas treatment | Dec 29, 20 | Dec 20, 22 | Jiangnan Environmental Protection Group Inc. |
| 11498887 | Process for producing dienes | Oct 18, 17 | Nov 15, 22 | VERSALIS S.P.A. |
| 11117095 | Conversion equipment for flue gas desulfurization systems and methods of converting calcium-based flue gas desulfurization systems | Jan 04, 21 | Sep 14, 21 | MARSULEX ENVIRONMENTAL TECHNOLOGIES CORPORATION |
| 10953365 | Acid gas treatment | Jan 13, 20 | Mar 23, 21 | Jiangnan Environmental Protection Group Inc. |
| 10919774 | Method for the management of phosphogypsum | Sep 14, 17 | Feb 16, 21 | FERIN SP. Z O.O |
| 10882006 | Conversion equipment for flue gas desulfurization systems and methods of converting calcium-based flue gas desulfurization systems | Oct 08, 18 | Jan 05, 21 | MARSULEX ENVIRONMENTAL TECHNOLOGIES CORPORATION |
| 10837051 | Enzyme reaction reagent having dried form and method for preparing the same | Nov 08, 17 | Nov 17, 20 | Kaneka Corporation |
| RE48293 | System and method for production of granular ammonium sulfate | Nov 21, 18 | Nov 03, 20 | PCI Nitrogen, LLC |
| 10780394 | Compositions and methods for removing air pollutants | Nov 13, 17 | Sep 22, 20 | Honeywell International Inc. |
| 10752559 | Urea-containing fertilizers and process for production thereof | Dec 17, 16 | Aug 25, 20 | THYSSENKRUPP FERTILIZER TECHNOLOGY GMBH; THYSSENKRUPP AG; |
| 10675584 | Method and apparatus for removing sulfur oxides from gas | Aug 15, 19 | Jun 09, 20 | Jiangnan Environmental Protection Group Inc. |
| 10512886 | Granulating ammonium sulfate | May 25, 16 | Dec 24, 19 | ThyssenKrupp Industrial Solutions AG; THYSSENKRUPP AG; |
| 10513714 | Lignocellulosic conversion process comprising sulfur dioxide and/or sulfurous acid pretreatment | Mar 16, 16 | Dec 24, 19 | Iogen Corporation |
| 10421667 | Process for treating lignocellulosic feedstock comprising wet oxidation | Mar 16, 16 | Sep 24, 19 | Iogen Corporation |
| 10413864 | Method and apparatus for removing sulfur oxides from gas | Jan 10, 19 | Sep 17, 19 | Jiangnan Environmental Protection Group Inc. |
| 10406477 | Method and apparatus for removing sulfur oxides from gas | Oct 15, 18 | Sep 10, 19 | Jiangnan Environmental Protection Group Inc. |
| 10369493 | Process for initiating an ammonium sulfate crystallization process | Aug 28, 13 | Aug 06, 19 | CAP III B.V. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0074,780 | Recovery of Ammonium Compounds | Aug 23, 24 | Mar 06, 25 | Not available |
| 2024/0400,431 | METHOD FOR PRODUCING GASEOUS DIHYDROGEN AND AMMONIUM SULFATE FROM AN AQUEOUS LIQUID EFFLUENT, SUCH AS THE LIQUID FRACTION OF A PIG MANURE OR HUMAN URINE | Sep 26, 22 | Dec 05, 24 | Not available |
| 2024/0150,189 | METHODS AND SYSTEMS FOR EFFICIENTLY AND CLEANLY MANUFACTURING AMMONIA, AMMONIUM SULFATE, NITRIC ACID, AMMONIUM NITRATE, OR COMBINATIONS THEREOF FROM COAL AND PETCOKE PRODUCTS | Oct 17, 23 | May 09, 24 | Not available |
| 2020/0239,324 | Solubility Enhancing Composition | Oct 08, 19 | Jul 30, 20 | Not available |
| 2020/0115,249 | METHOD FOR THE MANAGEMENT OF PHOSPHOGYPSUM | Sep 14, 17 | Apr 16, 20 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 29 Months (last 2 years Issuances)
- 29 Months (last 5 years Issuances)