C01B 32/198
Graphene oxide
C01B32/198 (Graphene oxide) appears on 366 US grants and 577 published applications in this corpus.
Search patents in C01B- Granted patents
- 366
- Published applications
- 577
- Assignees
- 344
- Inventors
- 1,437
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 4 |
| 2013 | 0 | 6 |
| 2014 | 1 | 4 |
| 2015 | 7 | 16 |
| 2016 | 6 | 24 |
| 2017 | 13 | 28 |
| 2018 | 23 | 54 |
| 2019 | 34 | 73 |
| 2020 | 44 | 67 |
| 2021 | 39 | 75 |
| 2022 | 37 | 64 |
| 2023 | 40 | 50 |
| 2024 | 54 | 48 |
| 2025 | 46 | 39 |
| 2026 | 22 | 24 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Graphene oxide scaffold and process of making and using same22 Sep 2026US 12,741,874 B2The United States of America as represented by the Secretary of the Air Force
- Barrier-coated cellulose-based substrate, laminated packaging material and packaging container comprising the cellulose-based substrate25 Aug 2026US 12,715,203 B2Tetra Laval Holdings & Finance S. A.
- Boron and nitrogen co-doped graphene oxide gels and uses thereof21 Jul 2026US 12,686,617 B2Biograph Sense Inc.
- Method for preparing nano-graphene oxide by electrochemically exfoliating carbon fiber material21 Jul 2026US 12,686,618 B2Zhejiang University
- 2D nanomaterial fiber and method of fabricating the same21 Jul 2026US 12,686,955 B2Korea Advanced Institute of Science and Technology
- Treatment of 2d-materials1 Oct 2026US 2026/0296893 A12D Fab AB
- Method for Preparing Nano Nickel Oxide/Graphene Composite Electrode Material1 Oct 2026US 2026/0296914 A1Tianneng Battery Group Co., Ltd.
- Barrier-coated cellulose-based substrate, laminated packaging material and packaging container comprising the cellulose-based substrate17 Sep 2026US 2026/0274535 A1Tetra Laval Holdings & Finance S. A.
- Fresh Water Production at the Point of Need Using an Integrated System of Capacitive Deionization and Electrochemical Disinfection10 Sep 2026US 2026/0265090 A1Global Graphene Group, Inc.
- Reduced graphene oxide-containing materials and preparation methods thereof27 Aug 2026US 2026/0250135 A1Khalifa University of Science and Technology
Most cited
By later US patents
- Large scale oxidized graphene production for industrial applications19US 9,758,379 B2University of Central Florida Research Foundation, Inc. · 2017
- Nanomatrix carbon composite15US 9,127,515 B2Baker Hughes Incorporated · 2015
- Thermal management system containing an integrated graphene film for electronic devices14US 9,360,905 B2Nanotek Instruments, Inc. · 2016
- Large scale oxidized graphene production for industrial applications12US 10,287,167 B2University of Central Florida Research Foundation, Inc. · 2019
- Methods, devices and systems for processing of carbonaceous compositions12US 9,782,739 B2Nanotech Energy, Inc. · 2017