C01B 2204/32
Size or surface area
C01B2204/32 (Size or surface area) appears on 269 US grants and 376 published applications in this corpus.
Search patents in C01B- Granted patents
- 269
- Published applications
- 376
- Assignees
- 213
- Inventors
- 846
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 4 |
| 2009 | 1 | 11 |
| 2010 | 2 | 9 |
| 2011 | 11 | 13 |
| 2012 | 7 | 15 |
| 2013 | 6 | 8 |
| 2014 | 5 | 14 |
| 2015 | 9 | 12 |
| 2016 | 12 | 27 |
| 2017 | 17 | 25 |
| 2018 | 18 | 28 |
| 2019 | 27 | 38 |
| 2020 | 21 | 27 |
| 2021 | 25 | 42 |
| 2022 | 27 | 20 |
| 2023 | 22 | 27 |
| 2024 | 26 | 18 |
| 2025 | 22 | 21 |
| 2026 | 10 | 15 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Production of graphene directly from biomass precursor22 Sep 2026US 12,741,873 B2Global Graphene Group, Inc.
- Transparent substrates comprising three-dimensional porous conductive graphene films and methods for making the same8 Sep 2026US 12,729,153 B2Corning Incorporated
- Systems and methods for microwave-driven catalytic conversion of plastics into carbon black materials and gases18 Aug 2026US 12,709,712 B2Carbon Convergence Group, Inc.
- Dispersions containing graphenic carbon nanoparticles and dispersant resins28 Jul 2026US 12,692,162 B2PPG Industries Ohio, Inc.
- Method for preparing nano-graphene oxide by electrochemically exfoliating carbon fiber material21 Jul 2026US 12,686,618 B2Zhejiang University
- Dispersions containing graphenic carbon nanoparticles and dispersant resins1 Oct 2026US 2026/0296894 A1PPG Industries Ohio, Inc.
- Graphene and methods of making graphene17 Sep 2026US 2026/0274675 A1
- Formulation of Graphene Networks from Carbon Nanotubes by Laser Shockwave Compaction10 Sep 2026US 2026/0265065 A1Northeastern University
- Functionalized graphene and methods of use thereof20 Aug 2026US 2026/0247117 A1
- Blue emitting graphene quantum dots, process of preparation and application thereof13 Aug 2026US 2026/0234003 A1Tata Steel Limited
Most cited
By later US patents
- Nano-scaled graphene plate nanocomposites for supercapacitor electrodes280US 7,623,340 B1Nanotek Instruments, Inc. · 2009
- Method for producing graphene103US 9,822,009 B2Tokyo Electron Limited · 2017
- Thermally exfoliated graphite oxide96US 7,658,901 B2The Trustees of Princeton University · 2010
- Electrospray painted article containing thermally exfoliated graphite oxide and method for their manufacture65US 8,053,508 B2The Trustees of Princeton University · 2011
- Resonant gas sensor54US 10,502,705 B2Lyten, Inc. · 2019