C01B 32/205
Preparation
C01B32/205 (Preparation) appears on 428 US grants and 726 published applications in this corpus.
Search patents in C01B- Granted patents
- 428
- Published applications
- 726
- Assignees
- 357
- Inventors
- 1,525
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 3 |
| 2002 | 7 | 5 |
| 2003 | 3 | 10 |
| 2004 | 4 | 5 |
| 2005 | 4 | 2 |
| 2006 | 3 | 10 |
| 2007 | 4 | 6 |
| 2008 | 7 | 7 |
| 2009 | 4 | 10 |
| 2010 | 4 | 14 |
| 2011 | 5 | 11 |
| 2012 | 8 | 18 |
| 2013 | 9 | 16 |
| 2014 | 21 | 35 |
| 2015 | 23 | 37 |
| 2016 | 22 | 24 |
| 2017 | 27 | 30 |
| 2018 | 21 | 49 |
| 2019 | 31 | 51 |
| 2020 | 22 | 43 |
| 2021 | 25 | 39 |
| 2022 | 27 | 37 |
| 2023 | 27 | 55 |
| 2024 | 32 | 63 |
| 2025 | 37 | 78 |
| 2026 | 20 | 68 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Artificial graphite and preparation method thereof, secondary battery containing such artificial graphite, and electric apparatus6 Oct 2026US 12,755,973 B2Contemporary Amperex Technology Co., Limited
- Heteroelement-doped highly graphitic porous carbon body, a catalyst including the same, and a method for producing the same15 Sep 2026US 12,738,508 B2Daegu Gyeongbuk Institute of Science and Technology
- Negative electrode active material for rechargeable lithium battery, method for manufacturing same, and rechargeable lithium battery including same28 Jul 2026US 12,695,091 B2Posco Chemical Co., Ltd
- Method of preparation of silicon carbide composition and use thereof7 Jul 2026US 12,673,873 B2The University of Chicago
- Solar production of hydrogen using defect engineered boron-rich photocalysts30 Jun 2026US 12,668,487 B2University of Central Florida Research Foundation, Inc.
- Graphitization furnace comprising widening cross-section8 Oct 2026US 2026/0309421 A1Sgl Carbon SE
- Graphite carbon material for lithium-ion secondary battery negative electrode, negative electrode material for lithium-ion secondary battery, negative electrode for lithium-ion secondary battery, and lithium-ion secondary battery8 Oct 2026US 2026/0312048 A1Resonac Corporation
- Improved thermoplastic carbon precursor material for the manufacturing of battery electrodes1 Oct 2026US 2026/0296895 A1Rain Carbon BV
- Graphitization furnace comprising an ash outlet24 Sep 2026US 2026/0284621 A1Sgl Carbon SE
- Graphitization furnace comprising an agitator24 Sep 2026US 2026/0287259 A1Sgl Carbon SE
Most cited
By later US patents
- Composite reinforcing material and molding material117US 10,421,863 B2Graphene Platform Corporation · 2019
- Composite reinforcing material and method of producing a composite reinforcing material117US 9,862,833 B2Graphene Platform Corporation · 2018
- Composite reinforcing material and molding material117US 9,862,834 B2Graphene Platform Corporation · 2018
- Method of making a carbon foam material and resultant product65US 5,888,469 AWest Virginia University · 1999
- Porous carbon product, method for the production thereof, and use of the same47US 9,287,556 B2Heraeus Quarzglas GmbH & Co.KG · 2016