C01B 2202/00
Structure or properties of carbon nanotubes
C01B2202/00 (Structure or properties of carbon nanotubes) appears on 1,642 US grants and 2,422 published applications in this corpus.
Search patents in C01B- Granted patents
- 1,642
- Published applications
- 2,422
- Assignees
- 858
- Inventors
- 4,139
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 12 | 7 |
| 2002 | 10 | 51 |
| 2003 | 10 | 44 |
| 2004 | 34 | 77 |
| 2005 | 40 | 102 |
| 2006 | 51 | 113 |
| 2007 | 45 | 94 |
| 2008 | 51 | 141 |
| 2009 | 62 | 143 |
| 2010 | 115 | 178 |
| 2011 | 93 | 114 |
| 2012 | 92 | 113 |
| 2013 | 84 | 68 |
| 2014 | 78 | 79 |
| 2015 | 72 | 81 |
| 2016 | 66 | 74 |
| 2017 | 80 | 107 |
| 2018 | 67 | 99 |
| 2019 | 81 | 112 |
| 2020 | 73 | 121 |
| 2021 | 71 | 92 |
| 2022 | 76 | 91 |
| 2023 | 84 | 90 |
| 2024 | 71 | 95 |
| 2025 | 68 | 80 |
| 2026 | 46 | 56 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C01B 2202/20Nanotubes characterized by their propertiesIndexing code947
- C01B 2202/02Single-walled nanotubesIndexing code713
- C01B 2202/06Multi-walled nanotubesIndexing code459
- C01B 2202/08Aligned nanotubesIndexing code403
- C01B 2202/04Nanotubes with a specific amount of wallsIndexing code87
- C01B 2202/10Filled nanotubesIndexing code22
Recent patents
- Catalysts for cargen, methods of preparing, and uses of same6 Oct 2026US 12,752,259 B2Qatar Foundation for Education, Science and Community Development
- Devices with low thermal emissivity6 Oct 2026US 12,753,995 B2Advanced Material Development Limited
- Compositions with carbon nanotubes for low hysteresis elastomers29 Sep 2026US 12,747,339 B2Molecular Rebar Design, LLC
- Self-assembling rod-coil copolymers for carbon nanotube sorting and the fabrication of carbon nanotube films22 Sep 2026US 12,741,872 B2Wisconsin Alumni Research Foundation
- Method for manufacturing carbon nanotube dispersion8 Sep 2026US 12,729,122 B2Jeio Co., Ltd.
- Carbon nanotube dispersion liquid and method of producing same8 Oct 2026US 2026/0307997 A1Zeon Corporation
- Secondary structure of carbon nanotubes and sulfur-carbon composite comprising the same1 Oct 2026US 2026/0296891 A1LG Energy Solution, Ltd.
- Conductive dispersion and production method therefor1 Oct 2026US 2026/0296892 A1Panasonic Intellectual Property Management Co., Ltd.
- Carbon Nanotube Catalyst Preconditioning24 Sep 2026US 2026/0285685 A1Chasm Advanced Materials, Inc.MA
- Process for making carbon nanotubes with oriented fullerene crystals24 Sep 2026US 2026/0285686 A1Government of the United States as Represented by the Secretary of the Air Force
Most cited
By later US patents
- Method of manufacturing inorganic nanotube516US 7,005,391 B2Samsung Electronics Co., Ltd. · 2006
- Method of producing regular arrays of nano-scale objects using nano-structured block-copolymeric materials513US 7,115,305 B2California Institute of Technology · 2006
- Nanotube films and articles330US 6,706,402 B2Nantero, Inc. · 2004
- Self-oriented bundles of carbon nanotubes and method of making same326US 6,232,706 B1The Board of Trustees of the Leland Stanford Junior University · 2001
- Carbon nanotube devices268US 6,528,020 B1The Board of Trustees of the Leland Stanford Junior University · 2003