C01B 32/342
Characterised by non-gaseous activating agents
Official title: characterised by non-gaseous activating agents
C01B32/342 (Characterised by non-gaseous activating agents) appears on 250 US grants and 314 published applications in this corpus.
Search patents in C01B- Granted patents
- 250
- Published applications
- 314
- Assignees
- 231
- Inventors
- 844
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 4 |
| 2003 | 3 | 5 |
| 2004 | 1 | 2 |
| 2005 | 0 | 7 |
| 2006 | 2 | 5 |
| 2007 | 1 | 10 |
| 2008 | 0 | 5 |
| 2009 | 4 | 12 |
| 2010 | 7 | 14 |
| 2011 | 5 | 15 |
| 2012 | 10 | 7 |
| 2013 | 16 | 15 |
| 2014 | 9 | 13 |
| 2015 | 16 | 19 |
| 2016 | 6 | 14 |
| 2017 | 16 | 23 |
| 2018 | 11 | 14 |
| 2019 | 13 | 14 |
| 2020 | 12 | 18 |
| 2021 | 8 | 15 |
| 2022 | 9 | 7 |
| 2023 | 11 | 18 |
| 2024 | 13 | 17 |
| 2025 | 9 | 15 |
| 2026 | 5 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Activated carbon production and methods therefor22 Sep 2026US 12,741,875 B2Atlas Power Technologies Inc.
- Method of producing a battery anode active material comprising a porous host structure and silicon residing in the host pores14 Jul 2026US 12,683,152 B1Honeycomb Battery Company
- 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
- Boron-sulfur-codoped porous carbon material and preparation method and use thereof17 Mar 2026US 12,577,109 B2Northwest Minzu University
- Method and system for producing activated carbon24 Sep 2026US 2026/0285688 A1Valmet Corporation
- Porous carbon material and preparation method thereof, and silicon-carbon material and application thereof24 Sep 2026US 2026/0290824 A1Ningde Amperex Technology Limited
- Graphene and methods of making graphene17 Sep 2026US 2026/0274675 A1
- Porous carbon material and preparation method thereof, silicon-carbon material, and applications thereof17 Sep 2026US 2026/0279806 A1Ningde Amperex Technology Limited
- Method of preparing pore-adjustable carbon molecular sieve by heavy oil binary activation and application thereof27 Aug 2026US 2026/0250137 A1Southeast University
Most cited
By later US patents
- Active carbon process and composition212US 4,082,694 AStandard Oil Company (Indiana) · 1978
- Production of highly microporous activated carbon products149US 5,416,056 AWestvaco Corporation · 1995
- Process for removing mercury from a gas136US 4,196,173 AAkzo NVV. · 1980
- Highly microporous carbon125US 5,710,092 AWestvaco Corporation · 1998
- Active carbon and process for its production112US 6,064,560 AMitsubishi Chemicals Corporation · 2000