C01B 32/174
Derivatisation
Official title: Derivatisation; Solubilisation; Dispersion in solvents
C01B32/174 (Derivatisation) appears on 753 US grants and 1,184 published applications in this corpus.
Search patents in C01B- Granted patents
- 753
- Published applications
- 1,184
- Assignees
- 513
- Inventors
- 2,393
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 5 |
| 2002 | 2 | 14 |
| 2003 | 3 | 7 |
| 2004 | 6 | 15 |
| 2005 | 6 | 20 |
| 2006 | 11 | 34 |
| 2007 | 11 | 24 |
| 2008 | 14 | 46 |
| 2009 | 17 | 58 |
| 2010 | 36 | 87 |
| 2011 | 39 | 57 |
| 2012 | 26 | 55 |
| 2013 | 39 | 45 |
| 2014 | 36 | 50 |
| 2015 | 45 | 40 |
| 2016 | 39 | 43 |
| 2017 | 43 | 60 |
| 2018 | 40 | 39 |
| 2019 | 47 | 60 |
| 2020 | 35 | 65 |
| 2021 | 35 | 51 |
| 2022 | 37 | 62 |
| 2023 | 44 | 62 |
| 2024 | 51 | 67 |
| 2025 | 65 | 65 |
| 2026 | 21 | 53 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Methods for forming carbon nanotube dispersions15 Sep 2026US 12,735,320 B2Vibrantz Color Solutions LLC
- Method for manufacturing carbon nanotube dispersion8 Sep 2026US 12,729,122 B2Jeio Co., Ltd.
- Adduct comprising at least a metal selected from gold, silver and copper and an adduct of a carbon allotrop and a pyrrolic compound25 Aug 2026US 12,715,882 B2
- 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, conductive material dispersion including the same, and method for manufacturing an electrode for a rechargeable lithium battery using the same10 Sep 2026US 2026/0265064 A1Samsung SDI.Co., Ltd.
- Carbon nanotube dispersion and method for preparing the same20 Aug 2026US 2026/0242225 A1LG Chem.Ltd.
Most cited
By later US patents
- Graphitic nanotubes in luminescence assays206US 5,866,434 AMeso Scale Technology LLP · 1999
- Method of making functionalized nanotubes201US 6,203,814 B1Hyperion Catalysis International, Inc. · 2001
- Process for purifying, uncapping and chemically modifying carbon nanotubes163US 5,698,175 ANEC Corporation · 1997
- Solubilizing single-walled carbon nanotubes by direct reaction with amines and alkylaryl amines132US 6,187,823 B1University of Kentucky Research Foundation · 2001
- Chemical derivatization of single-wall carbon nanotubes to facilitate solvation thereof; and use of derivatized nanotubes to form catalyst-containing seed materials for use in making carbon fibers128US 6,645,455 B2William Marsh Rice University · 2003