B01J 2540/12
Carboxylic acid groups
B01J2540/12 (Carboxylic acid groups) appears on 30 US grants and 27 published applications in this corpus.
Search patents in B01J- Granted patents
- 30
- Published applications
- 27
- Assignees
- 35
- Inventors
- 107
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 3 | 4 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 2 |
| 2021 | 2 | 2 |
| 2022 | 2 | 4 |
| 2023 | 2 | 3 |
| 2024 | 3 | 5 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Titanium catalyst and synthesizing polyester resins20 Aug 2024US 12,064,754 B2Chang Chun Petrochemical Co., Ltd.
- Metal complex, method for producing same, and method for producing gamma-lactam compound using same4 Jun 2024US 11,998,901 B2Institute for Basic Science
- Decarboxylative conjugate additions and applications thereof14 May 2024US 11,981,704 B2The Trustees of Princeton University
- Effective heterogeneous catalyst of ZnO—TiO2 coated by copper (II) bis-Schiff base hydrazone complex for the organic oxidation processes28 Nov 2023US 11,826,742 B1King Faisal University
- Oxidation of olefin into ketone2 Jul 2026US 2026/0183758 A1Centre National De La Recherche Scientifique
- Palladium precatalyst embodiments for enantioselective chemical reactions and methods of making and using the same15 May 2025US 2025/0153157 A1
- Metal-containing peptoid membranes for hydrolysis of organophosphates27 Mar 2025US 2025/0099947 A1
- In-vivo proximity-based labeling systems and applications thereof26 Dec 2024US 2024/0424148 A1
- Carbon dioxide absorption and reduction solution, carbon dioxide absorption and reduction device, and carbon dioxide absorption and reduction method5 Sep 2024US 2024/0293771 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Catalytic process32US 4,399,312 AJohnson Matthey Public Limited Company · 1983
- Transition metal recovery21US 5,114,473 AUnion Carbide Chemicals & Plastics Technology Corporation · 1992
- Fluoroalkyl-substituted ferrocenyl diphosphines as ligands for homogeneous catalysts21US 5,583,241 ACiba-Geigy Corporation · 1996
- Process for the hydroformylation of olefinically unsaturated compounds14US 5,756,854 AHoechst Aktiengesellschaft · 1998
- Process for preparing aldehyes7US 5,773,667 AHoechst Aktiengesellschaft · 1998