C01B 32/19
By exfoliation
Official title: by exfoliation
C01B32/19 (By exfoliation) appears on 566 US grants and 829 published applications in this corpus.
Search patents in C01B- Granted patents
- 566
- Published applications
- 829
- Assignees
- 415
- Inventors
- 1,613
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 5 |
| 2009 | 0 | 14 |
| 2010 | 6 | 17 |
| 2011 | 9 | 30 |
| 2012 | 12 | 35 |
| 2013 | 8 | 58 |
| 2014 | 29 | 36 |
| 2015 | 41 | 62 |
| 2016 | 41 | 53 |
| 2017 | 52 | 66 |
| 2018 | 51 | 69 |
| 2019 | 49 | 86 |
| 2020 | 48 | 53 |
| 2021 | 44 | 69 |
| 2022 | 41 | 50 |
| 2023 | 43 | 42 |
| 2024 | 43 | 39 |
| 2025 | 31 | 22 |
| 2026 | 16 | 20 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Highly dispersible graphene material15 Sep 2026US 12,735,321 B2Yazaki Corporation
- Graphene and other 2D materials as layered “shells” supported on “core” nanoparticle carriers25 Aug 2026US 12,719,061 B2Breton SPA
- Exfoliation of graphene from biochar11 Aug 2026US 12,703,635 B2
- Process for producing composite material21 Jul 2026US 12,685,998 B2Anaphite Limited
- Method of forming patterns in layered materials at an atomic scale21 Jul 2026US 12,686,148 B2University of South Florida
- 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
- Process of manufacturing an electrocatalyst for alkaline water electrolysis27 Aug 2026US 2026/0250866 A1Tata Steel Nederland Technology B.V.
- Edge-grafting-modified graphene, aqueous dispersion thereof, and preparation methods therefor30 Jul 2026US 2026/0217537 A1China Petroleum & Chemical Corporation
- Graphene slurry and method for the fabrication of a flexible thermoelectric generator therefrom30 Jul 2026US 2026/0217538 A1Universidad De Los Andes
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
- Thermally exfoliated graphite oxide96US 7,658,901 B2The Trustees of Princeton University · 2010
- Functional graphene-rubber nanocomposites93US 7,745,528 B2The Trustees of Princeton University · 2010