B01J 23/72
Copper
B01J23/72 (Copper) appears on 1,114 US grants and 1,282 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,114
- Published applications
- 1,282
- Assignees
- 771
- Inventors
- 3,784
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 14 | 0 |
| 1978 | 7 | 0 |
| 1979 | 9 | 0 |
| 1980 | 17 | 0 |
| 1981 | 10 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 9 | 0 |
| 2001 | 11 | 3 |
| 2002 | 20 | 15 |
| 2003 | 10 | 22 |
| 2004 | 20 | 27 |
| 2005 | 13 | 28 |
| 2006 | 14 | 16 |
| 2007 | 12 | 32 |
| 2008 | 9 | 20 |
| 2009 | 17 | 34 |
| 2010 | 25 | 39 |
| 2011 | 18 | 47 |
| 2012 | 19 | 50 |
| 2013 | 28 | 47 |
| 2014 | 37 | 72 |
| 2015 | 60 | 70 |
| 2016 | 52 | 51 |
| 2017 | 45 | 61 |
| 2018 | 51 | 75 |
| 2019 | 63 | 74 |
| 2020 | 60 | 91 |
| 2021 | 65 | 88 |
| 2022 | 71 | 85 |
| 2023 | 58 | 82 |
| 2024 | 64 | 66 |
| 2025 | 47 | 50 |
| 2026 | 37 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing fluorine-containing compound and method for producing surface treatment agent22 Sep 2026US 12,742,045 B2AGC Inc.
- Copper-based catalyst for reverse water gas shift reaction including gas-permeable amorphous shell formed by strong metal-support interaction15 Sep 2026US 12,734,509 B2Korea Advanced Institute of Science and Technology
- Converting natural gas to dimethyl ether8 Sep 2026US 12,729,174 B2Saudi Arabian Oil Company
- Method for preparing bio-based 1,4-butanediol1 Sep 2026US 12,723,013 B2Zhejiang Boju New Materials Co., Ltd.
- Method for preparing morphinan derivative having diaryl ether skeleton using novel copper catalyst1 Sep 2026US 12,723,043 B2Nippon Chemiphar Co., Ltd.
- Photocatalytic c-c coupling reactions of terminal alkynes using cupric oxide-based mie resonator photocatalysts8 Oct 2026US 2026/0307053 A1
- Copper silicate-based catalyst and preparation method therefor8 Oct 2026US 2026/0307055 A1LG Chem.Ltd.
- Mixed guerbet reaction of ethanol and methanol to produce isobutanol8 Oct 2026US 2026/0308094 A1BASF SE
- Resin member1 Oct 2026US 2026/0295563 A1Nissan Motor Co., Ltd.
- Method for preparing 1,4-butanediol with low acetal content and low 2-methyl-1,4-butanediol content1 Oct 2026US 2026/0297001 A1Shanghai DiYang Chemical Technology Co., Ltd.
Most cited
By later US patents
- Catalytic process for reducing nitrogen oxides to nitrogen110US 4,085,193 ABabcock-Hitachi Kabushiki Kaisha · 1978
- Fibril aggregates and method for making same105US 5,456,897 AHyperlon Catalysis Int'l., Inc. · 1995
- Manufacture of butanediol and/or tetrahydrofuran from maleic and/or succinic anhydride via .gamma.- butyrolactone97US 4,048,196 ABASF SE · 1977
- Shaped hydrogenation catalyst and processes for their preparation and use93US 6,049,008 AEngelhard Corporation · 2000
- Process for producing metallic or ceramic hollow-sphere bodies92US 4,917,857 ANorddeutsche Affinerie Aktiengesellschaft · 1990