C07C 273/10
Combined with the synthesis of ammonia
Official title: combined with the synthesis of ammonia
C07C273/10 (Combined with the synthesis of ammonia) appears on 69 US grants and 73 published applications in this corpus.
Search patents in C07C- Granted patents
- 69
- Published applications
- 73
- Assignees
- 45
- Inventors
- 142
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 4 |
| 2015 | 3 | 7 |
| 2016 | 5 | 6 |
| 2017 | 5 | 7 |
| 2018 | 4 | 7 |
| 2019 | 8 | 8 |
| 2020 | 4 | 4 |
| 2021 | 8 | 8 |
| 2022 | 2 | 5 |
| 2023 | 2 | 1 |
| 2024 | 2 | 2 |
| 2025 | 4 | 5 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Processes and systems for converting a hydrocarbon-containing feed7 Jul 2026US 12,674,106 B2ExxonMobil Chemical Patents Inc.
- Process for producing methanol and ammonia20 Jan 2026US 12,528,700 B2Johnson Matthey Davy Technologies Limited
- Process for the production of urea formaldehyde concentrate21 Oct 2025US 12,448,349 B2Topsoe A/S
- Production of carbon dioxide and ammonia from residual gases in the steel and metal industries10 Jun 2025US 12,325,632 B2Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO
- Modular artificial intelligence-driven plasma gasification process for resource recovery20 May 2025US 12,305,131 B1Oceanit Laboratories, Inc.
- Systems and methods for membrane enhanced steam reforming with carbon dioxide utilization11 Dec 2025US 2025/0376439 A1Saudi Arabian Oil Company
- Integrated production of urea for diesel exhaust fluid and urea ammonium nitrate24 Jul 2025US 2025/0236587 A1Stamicarbon B. V.
- Urea production method and urea production apparatus5 Jun 2025US 2025/0179010 A1Toyo Engineering Corporation
- Ammonia synthesis and urea synthesis with reduced co2 footprint8 May 2025US 2025/0145482 A1thyssenkrupp AG
- Integrated production of urea for diesel exhaust fluid and urea ammonium nitrate10 Apr 2025US 2025/0115547 A1Stamicarbon B. V.
Most cited
By later US patents
- Gasification process for ammonia/urea production25US 6,448,441 B1Texaco Inc. · 2002
- Integrated urea/ammonia process18US 5,523,483 AThe M. W. Kellogg Company · 1996
- Method for treating ammonia and urea condensates17US 5,223,238 AThe M. W. Kellogg Company · 1993
- Integrated ammonia-urea process16US 4,869,887 A1989
- Integrated ammonia-urea producing process, for the production of urea14US 4,138,434 ASNAMPROGETTI S.p. A. · 1979