B01J 31/0245
Being derivatives of carboxylic or carbonic acids
Official title: {being derivatives of carboxylic or carbonic acids}
B01J31/0245 (Being derivatives of carboxylic or carbonic acids) appears on 266 US grants and 253 published applications in this corpus.
Search patents in B01J- Granted patents
- 266
- Published applications
- 253
- Assignees
- 208
- Inventors
- 798
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 15 | 4 |
| 2002 | 13 | 9 |
| 2003 | 13 | 8 |
| 2004 | 4 | 11 |
| 2005 | 2 | 6 |
| 2006 | 9 | 7 |
| 2007 | 7 | 2 |
| 2008 | 3 | 6 |
| 2009 | 6 | 7 |
| 2010 | 8 | 4 |
| 2011 | 3 | 16 |
| 2012 | 1 | 8 |
| 2013 | 13 | 7 |
| 2014 | 7 | 10 |
| 2015 | 12 | 9 |
| 2016 | 5 | 19 |
| 2017 | 17 | 4 |
| 2018 | 11 | 15 |
| 2019 | 9 | 15 |
| 2020 | 13 | 12 |
| 2021 | 11 | 13 |
| 2022 | 8 | 11 |
| 2023 | 4 | 21 |
| 2024 | 7 | 18 |
| 2025 | 12 | 6 |
| 2026 | 9 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Catalytic method for the preparation of perfluoroalkoxy-substituted arenes and heteroarenes6 Oct 2026US 12,753,139 B2Freie UniversitäT Berlin
- Organic-inorganic composite catalyst, air purification device including the organic-inorganic composite catalyst, and method of regenerating the organic-inorganic composite catalyst1 Sep 2026US 12,722,149 B2Jk Global Co., Ltd.
- Photoredox catalysts and methods of using such catalysts28 Jul 2026US 12,691,440 B2Colorado State University Research Foundation
- Use of silicon compounds in cyclization reactions21 Jul 2026US 12,686,662 B2Lanzhou Chemspec Technology Co., Ltd.
- Supported transition metal nanoparticle catalyst and use thereof as a hydrogenation catalyst14 Jul 2026US 12,678,773 B2BASF SE
- Supported transition metal nanoparticle catalyst and use thereof as a hydrogenation catalyst1 Oct 2026US 2026/0295565 A1BASF SE
- Combination of catalytic components1 Oct 2026US 2026/0295570 A1PolyU GmbH
- Catalyst for sp3-carbon-hydrogen-bond primary amination reaction, and method for preparing primary amine compound13 Aug 2026US 2026/0234096 A1West China Second University Hospital, Sichuan University
- Method for polyurethane depolymerization19 Mar 2026US 2026/0078235 A1AsociacióN Empresarial Centro TecnolóGico Del Mueble Y La Madera De La RegióN De Murcia
- Vitrimerization of polyurethane12 Feb 2026US 2026/0042896 A1
Most cited
By later US patents
- Phase transfer catalyzed preparation of aromatic polyether polymers113US 5,229,482 AGeneral Electric Company · 1993
- Perfluorinated amide salts and their uses as ionic conducting materials61US 6,319,428 B1Centre National De La Recherche Scientifique · 2001
- Process for producing .alpha.-olefin oligomer58US 5,856,612 AMitsubishi Chemical Corporation · 1999
- Processes for the deposition or removal of metals48US 4,755,265 AUnion Oil Company of California · 1988
- Process for the preparation of .alpha.-olefin oligomers45US 5,750,816 AMitsubishi Chemical Corporation · 1998