Description
Class C01C : AMMONIA; CYANOGEN; COMPOUNDS THEREOF
Subclass 1/08: Ammonia; Compounds thereof Preparation or separation of ammonia Preparation of ammonia from nitrogenous organic substances
C01C 1/08
Sub-Class
Stats
- 43 US PATENTS IN FORCE
- 3 US APPLICATIONS PENDING
- 24 Total Patent Owners
- 113 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12188074 | Methods for reducing condensation | Sep 24, 20 | Jan 07, 25 | Saudi Arabian Oil Company |
| 12098078 | Method and device for safely generating pure ammonia for GC/CI-MS/MS and ICP-MS applications | Jan 09, 24 | Sep 24, 24 | NAIF ARAB UNIVERSITY FOR SECURITY SCIENCES (NAUSS) |
| 11939227 | Methods and systems for utilizing calcium compound from calcined limestone | Jul 20, 20 | Mar 26, 24 | Arelac, Inc. |
| 11578034 | Integrated process for production of glycerol carbonate (4-hydroxymethyl-2-oxo-1, 3-dioxolane) and urea | Mar 07, 18 | Feb 14, 23 | Sabic Global Technologies B.V. |
| 11440808 | Ammonia synthesis methods and systems | Jun 14, 17 | Sep 13, 22 | President and Fellows of Harvard College |
| 11339056 | Controlled, compact, on-demand ammonia gas generation process and apparatus | Dec 28, 17 | May 24, 22 | Fuel Tech, Inc. |
| 10738387 | Electrochemical cell containing a graphene coated electrode | Oct 27, 14 | Aug 11, 20 | Ohio University |
| 10400649 | Ammonia sensor calibration method | Jan 05, 18 | Sep 03, 19 | NGK Insulators, Ltd. |
| 10378411 | Dosing method and apparatus for reductant urea solutions with catalyst precursors to assist selective catalytic reduction | Jan 03, 18 | Aug 13, 19 | Southwest Research Institute |
| 10300435 | Ammonia generation apparatus and ammonia generation control apparatus | Feb 11, 16 | May 28, 19 | NGK SPARK PLUG CO., LTD. |
| 10267196 | Treatment of reductant urea solutions with catalyst precursors to assist selective catalytic reduction | Dec 15, 17 | Apr 23, 19 | Southwest Research Institute |
| 10081649 | First row transition metal amino borohydrides | Mar 24, 17 | Sep 25, 18 | The Goverment of the United States of America as represented by the Secretary of the Navy |
| 9878288 | Ammonia gas generator, method for producing ammonia and use of the same for reducing nitrogen oxides in exhaust gases | Dec 19, 13 | Jan 30, 18 | ALZCHEM AG |
| 9849444 | Urea hydrolysis reactor for selective catalytic reduction | Mar 30, 15 | Dec 26, 17 | PACCAR INC |
| 9809530 | Method for producing alpha-hydroxy carboxylic esters in the gas phase | Jul 23, 15 | Nov 07, 17 | EVONIK ROEHM GMBH |
| 9731976 | Method for the production of ammonia from an ammonia precursor substance in order to reduce nitrogen oxides in exhaust gases | Jun 29, 12 | Aug 15, 17 | ALZCHEM AG |
| 9687783 | Ammonia gas generator and use of the same for reducing nitrogen oxides in exhaust gases | Dec 19, 13 | Jun 27, 17 | ALZCHEM AG |
| 9586831 | Urea to ammonia process | Jun 09, 14 | Mar 07, 17 | Wahlco, Inc. |
| 9393523 | Method and system for purifying the exhaust gases of a combustion engine | May 10, 13 | Jul 19, 16 | INERGY AUTOMOTIVE SYSTEMS RESEARCH (Société Anonyme) |
| 9371240 | Ammonia gas generator for producing ammonia in order to reduce nitrogen oxides in exhaust gases | Jun 29, 12 | Jun 21, 16 | ALZCHEM AG |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2023/0002,239 | AMMONIA SYNTHESIS METHODS AND SYSTEMS | Aug 04, 22 | Jan 05, 23 | President and Fellows of Harvard College |
| 2019/0292,064 | USE OF A UREA COMPOSITION TO PRODUCE DIESEL EXHAUST FLUID (AUS 32) | Jul 13, 17 | Sep 26, 19 | THYSSENKRUPP FERTILIZER TECHNOLOGY GMBH; THYSSENKRUPP AG; |
| 2019/0202,707 | AMMONIA SYNTHESIS METHODS AND SYSTEMS | Jun 14, 17 | Jul 04, 19 | President and Fellows of Harvard College |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 33 Months (last 2 years Issuances)
- 33 Months (last 5 years Issuances)