C01B 32/16
Preparation
C01B32/16 (Preparation) appears on 1,562 US grants and 2,313 published applications in this corpus.
Search patents in C01B- Granted patents
- 1,562
- Published applications
- 2,313
- Assignees
- 834
- Inventors
- 3,592
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 8 |
| 2002 | 12 | 55 |
| 2003 | 9 | 59 |
| 2004 | 41 | 81 |
| 2005 | 38 | 95 |
| 2006 | 59 | 109 |
| 2007 | 47 | 91 |
| 2008 | 45 | 151 |
| 2009 | 68 | 139 |
| 2010 | 106 | 170 |
| 2011 | 81 | 116 |
| 2012 | 91 | 117 |
| 2013 | 92 | 73 |
| 2014 | 78 | 108 |
| 2015 | 81 | 102 |
| 2016 | 72 | 84 |
| 2017 | 99 | 90 |
| 2018 | 69 | 83 |
| 2019 | 65 | 95 |
| 2020 | 69 | 78 |
| 2021 | 57 | 84 |
| 2022 | 59 | 69 |
| 2023 | 62 | 88 |
| 2024 | 54 | 69 |
| 2025 | 56 | 62 |
| 2026 | 30 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Method for preparing carbon nanotube-producing catalyst15 Sep 2026US 12,734,507 B2LG Chem.Ltd.
- Method for manufacturing carbon nanotube dispersion8 Sep 2026US 12,729,122 B2Jeio Co., Ltd.
- Carbon nanotube hybrid materials and methods of producing the hybrid materials25 Aug 2026US 12,715,773 B2Chasm Advanced Materials, Inc.
- Carbon nanotube manufacturing method and carbon nanotube manufactured using carbon dioxide25 Aug 2026US 12,715,774 B2Korea Advanced Institute of Science and Technology
- Carbon Nanotube Catalyst Preconditioning24 Sep 2026US 2026/0285685 A1Chasm Advanced Materials, Inc.MA
- Refining and/or petrochemical facility and apparatus for heating fluids in processes related to refining and petrochemical industries using rotary generated thermal energy17 Sep 2026US 2026/0274747 A1Coolbrook Oy
- Carbon nanotube monolayer film, method of preparing the same, and electronic device including the same17 Sep 2026US 2026/0282732 A1Samsung Electronics Co., Ltd.
- Nano particle deposition system and related methods10 Sep 2026US 2026/0265063 A1Bright Sand Industries, Inc.
- Catalyst for the production of carbon nanotubes and the production method thereof3 Sep 2026US 2026/0257202 A1LG Chem.Ltd.
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
- Method for forming conformal carbon films, structures conformal carbon film, and system of forming same486US 9,605,343 B2ASM IP Holding B. V. · 2017
- Aligned carbon nanotubes418US 10,343,920 B2ASM IP Holding B. V. · 2019
- Preparation of carbide nanorods351US 5,997,832 APresident and Fellows of Harvard College · 1999