B01D 2255/106
Gold
B01D2255/106 (Gold) appears on 231 US grants and 304 published applications in this corpus.
Search patents in B01D- Granted patents
- 231
- Published applications
- 304
- Assignees
- 174
- Inventors
- 716
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 3 |
| 2006 | 1 | 6 |
| 2007 | 1 | 11 |
| 2008 | 1 | 12 |
| 2009 | 4 | 20 |
| 2010 | 18 | 22 |
| 2011 | 7 | 19 |
| 2012 | 10 | 21 |
| 2013 | 21 | 24 |
| 2014 | 16 | 30 |
| 2015 | 19 | 21 |
| 2016 | 21 | 16 |
| 2017 | 12 | 17 |
| 2018 | 9 | 15 |
| 2019 | 13 | 14 |
| 2020 | 13 | 15 |
| 2021 | 6 | 13 |
| 2022 | 6 | 6 |
| 2023 | 15 | 4 |
| 2024 | 7 | 4 |
| 2025 | 5 | 3 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Carbon dioxide purification system24 Mar 2026US 12,582,937 B2M Icell Technology Co., Ltd.
- Gas production apparatus, gas production system, steel production system, chemical manufacturing system, and gas production method with reduced carbon dioxide emission24 Mar 2026US 12,582,941 B2Sekisui Chemical Co., Ltd.
- Porous carbon material composites and their production process, adsorbents, cosmetics, purification agents, and composite photocatalyst materials6 Jan 2026US 12,515,198 B2Sony Corporation
- Metallic nanoparticle catalysts embedded in porous oxide support, which show high catalytic activity even at low temperatures2 Dec 2025US 12,485,403 B2Quantum Cat Co., Ltd.
- Method for recycling electronic-grade and industrial-grade sulfuric acid20 May 2025US 12,303,832 B2Sar Technology Inc.
- Catalyst composition, exhaust gas treatment method using the same, and exhaust gas treatment system including the same13 Aug 2026US 2026/0233206 A1Gwangju Institute of Science and Technology
- Composite catalyst for hydrogen selective catalytic reduction, method of removing nitrogen oxides using the same, and air purification device including composite catalyst9 Jul 2026US 2026/0192248 A1Samsung Electronics Co., Ltd.
- Method for controlling semiconductor process environment30 Apr 2026US 2026/0115662 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Metallic nanoparticle catalysts embedded in porous oxide support, which show high catalytic activity even at low temperatures5 Mar 2026US 2026/0061400 A1Quantum Cat Co., Ltd.
- Porous composite structure catalyst comprising catalyst coating layer of gold nanoparticles impregnated into porous support5 Feb 2026US 2026/0034536 A1Quantum Cat Co., Ltd.
Most cited
By later US patents
- Engine exhaust catalysts containing palladium-gold79US 7,709,414 B2Nanostellar, Inc. · 2010
- Catalytic material and method of production thereof77US 7,541,012 B2The Hong Kong University of Science and Technology · 2009
- Engine exhaust catalysts containing palladium-gold70US 7,534,738 B2Nanostellar, Inc. · 2009
- Engine exhaust catalysts containing palladium-gold67US 7,745,367 B2Nanostellar, Inc. · 2010
- Engine exhaust catalysts containing zeolite and zeolite mixtures63US 7,517,826 B2Nanostellar, Inc. · 2009