C01C 3/0212
From hydrocarbons and ammonia in the presence of oxygen
Official title: {from hydrocarbons and ammonia in the presence of oxygen, e.g. the Andrussow-process}
C01C3/0212 (From hydrocarbons and ammonia in the presence of oxygen) appears on 94 US grants and 79 published applications in this corpus.
Search patents in C01C- Granted patents
- 94
- Published applications
- 79
- Assignees
- 44
- Inventors
- 218
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 4 |
| 2002 | 7 | 10 |
| 2003 | 9 | 5 |
| 2004 | 1 | 3 |
| 2005 | 3 | 2 |
| 2006 | 3 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 3 |
| 2011 | 0 | 6 |
| 2012 | 3 | 2 |
| 2013 | 4 | 2 |
| 2014 | 1 | 3 |
| 2015 | 3 | 8 |
| 2016 | 1 | 11 |
| 2017 | 2 | 2 |
| 2018 | 2 | 4 |
| 2019 | 1 | 0 |
| 2020 | 4 | 3 |
| 2021 | 3 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gauzes having a tertiary structure for the catalytic conversion of fluids15 Sep 2026US 12,734,513 B2
- Activation energy reducers for catalytic oxidation of gaseous mixtures23 Nov 2021US 11,179,700 B2Rohm and Haas Company
- Process for the preparation of sodium cyanide6 Jul 2021US 11,053,131 B2CyPlus GmbH
- Method for preparing methionine26 Jan 2021US 10,899,706 B2Evonik Operations GmbH
- Installation and process for the preparation of hydrogen cyanide15 Dec 2020US 10,865,118 B2Arkema France
- Apparatus for the production of nitriles and use thereof17 Sep 2026US 2026/0273491 A1Evonik Operations GmbH
- Catalytically active heating elements, production and use thereof7 May 2026US 2026/0129720 A1Evonik Operations GmbH
- Catalyst network comprising a noble metal wire made of a dispersion-strengthened noble metal alloy23 Oct 2025US 2025/0325972 A1Heraeus Precious Metals GmbH & Co. KG
- Gauzes having a tertiary structure for the catalytic conversion of fluids12 Oct 2023US 2023/0321644 A1
- Process for the preparation of sodium cyanide24 Sep 2020US 2020/0299144 A1CyPlus GmbH
Most cited
By later US patents
- Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions202US 5,306,411 AThe Standard Oil Company · 1994
- Two component-three dimensional catalysis105US 6,355,093 B1Eltron Research, Inc. · 2002
- Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions99US 5,744,015 A1998
- Iron-antimony-molybdenum-containing oxide catalyst composition and process for preparing the same54US 5,132,269 ANitto Chemical Industry Co., Ltd. · 1992
- Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions51US 5,693,212 AThe Standard Oil Company · 1997