C01B 32/354
After-treatment
C01B32/354 (After-treatment) appears on 474 US grants and 453 published applications in this corpus.
Search patents in C01B- Granted patents
- 474
- Published applications
- 453
- Assignees
- 393
- Inventors
- 1,325
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 20 | 0 |
| 1978 | 12 | 0 |
| 1979 | 12 | 0 |
| 1980 | 9 | 0 |
| 1981 | 15 | 0 |
| 1982 | 6 | 0 |
| 1983 | 15 | 0 |
| 1984 | 2 | 0 |
| 1985 | 10 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 2 |
| 2002 | 6 | 5 |
| 2003 | 4 | 6 |
| 2004 | 6 | 3 |
| 2005 | 1 | 6 |
| 2006 | 2 | 14 |
| 2007 | 3 | 8 |
| 2008 | 1 | 9 |
| 2009 | 2 | 8 |
| 2010 | 9 | 15 |
| 2011 | 6 | 13 |
| 2012 | 9 | 13 |
| 2013 | 12 | 12 |
| 2014 | 5 | 14 |
| 2015 | 15 | 17 |
| 2016 | 12 | 24 |
| 2017 | 19 | 36 |
| 2018 | 26 | 22 |
| 2019 | 24 | 32 |
| 2020 | 18 | 29 |
| 2021 | 7 | 27 |
| 2022 | 13 | 21 |
| 2023 | 23 | 35 |
| 2024 | 27 | 32 |
| 2025 | 28 | 33 |
| 2026 | 13 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Alkylated cyclodextrin compositions and processes for preparing and using the same7 Jul 2026US 12,674,005 B2CyDex Pharmaceuticals, Inc.
- Method of synthesizing porous composite including single atom metal catalysts and nitrogen atoms in hierarchical carbon material from carbon dioxide containing gas23 Jun 2026US 12,665,196 B2Korea Advanced Institute of Science and Technology
- Activated carbon and method of fabrication thereof26 May 2026US 12,636,631 B2National University of Singapore
- Opacified sparkling white wine and method for producing same12 May 2026US 12,624,321 B2Maison Wessman
- Nano-titanium dioxide/biochar composite, and preparation method and use thereof21 Apr 2026US 12,606,485 B2Quingdao University of Technology
- Method for recovering and regenerating activated carbon17 Sep 2026US 2026/0274682 A1Kuraray Co., Ltd.
- Method of forming n-doped carbon nanofoam17 Sep 2026US 2026/0274683 A1
- Method for treating activated carbon and activated carbon treated by said method20 Aug 2026US 2026/0242227 A1Irpc Public Company Limited
- Composite polymer particles, porous carbon particles and method for independent control of particle diameter and pore size of porous carbon particles6 Aug 2026US 2026/0225896 A1
- Silane-Free Production of a Battery Anode Active Material Comprising Silicon Nanowires Residing in Pores of a Porous Host Structure30 Jul 2026US 2026/0221431 A1Honeycomb Battery Company
Most cited
By later US patents
- Mercury removal catalyst and method of making and using same142US 6,258,334 B1Corning Incorporated · 2001
- Mercury removal catalyst and method of making and using same124US 6,136,749 ACorning Incorporated · 2000
- Filter sheet material109US 4,510,193 A1985
- Catalytic carbon105US 5,356,849 ACalgon Carbon Corporation · 1994
- Method of fabricating graphite for use as a skeletal prosthesis and product thereof103US 4,070,514 AThe United States of America as represented by the United States Department of Energy · 1978