C07C 51/27
With oxides of nitrogen or nitrogen-containing mineral acids
Official title: with oxides of nitrogen or nitrogen-containing mineral acids
C07C51/27 (With oxides of nitrogen or nitrogen-containing mineral acids) appears on 94 US grants and 52 published applications in this corpus.
Search patents in C07C- Granted patents
- 94
- Published applications
- 52
- Assignees
- 70
- Inventors
- 238
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 8 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 3 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 3 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 3 | 1 |
| 2016 | 1 | 5 |
| 2017 | 1 | 0 |
| 2018 | 2 | 2 |
| 2019 | 1 | 4 |
| 2020 | 5 | 9 |
| 2021 | 5 | 2 |
| 2022 | 1 | 3 |
| 2023 | 3 | 1 |
| 2024 | 2 | 5 |
| 2025 | 1 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for working-up a nitrous oxide comprising off-gas stream11 Aug 2026US 12,702,951 B2BASF SE
- Compositions and methods for the degradation of waste polypropylene22 Jul 2025US 12,365,782 B2Novoloop, Inc.
- Concept for the production of food with reduced environmental impact16 Apr 2024US 11,959,044 B2Green-On AB
- Methods for the decomposition of contaminated plastic waste2 Apr 2024US 11,945,918 B2Novoloop, Inc.
- Compositions and methods for the degradation of waste polypropylene12 Dec 2023US 11,840,610 B2Novoloop, Inc.
- Method of converting polymer comprising benzenoid rings into oxidation products13 Aug 2026US 2026/0234362 A1Agency for Science, Technology and Research
- Sugarcane derived semi-synthetic cosmetic ingredients, methods of production thereof, and personal care products derived therefrom23 Jul 2026US 2026/0207459 A1Amyris, Inc.
- Process for the preparation of bio-based olefins from primary alcohol5 Mar 2026US 2026/0062361 A1BASF SE
- Method for preparing caronic acid and derivative thereof14 Aug 2025US 2025/0257024 A1Aba Chemicals Nantong Limited
- Transport-mediated photocatalysts for selective partial oxidation of alkanes26 Jun 2025US 2025/0206693 A1The Board of Trustees of the Leland Stanford Junior University
Most cited
By later US patents
- Process for oxidizing primary alcohols38US 6,936,710 B2SCA Hygiene Products Zeist B.V. · 2005
- Process of forming polysubstituted fullerenes35US 5,177,248 AExxon Research & Engineering Co. · 1993
- Polysubstituted fullerenes and their preparation35US 5,294,732 AExxon Research & Engineering Co. · 1994
- Polysubstituted fullerenes and their preparation (C-2608)33US 5,416,188 AExxon Research & Engineering Co. · 1995
- Monocyclic macrocyclic compounds and complexes thereof31US 3,966,766 ASchering Corporation · 1976