C09C 1/54
Acetylene black
Official title: Acetylene black; thermal black {; Preparation thereof (separation or recovery C09C1/487)}
C09C1/54 (Acetylene black) appears on 33 US grants and 49 published applications in this corpus.
Search patents in C09C- Granted patents
- 33
- Published applications
- 49
- Assignees
- 34
- Inventors
- 140
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 4 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 2 | 1 |
| 2016 | 2 | 1 |
| 2017 | 0 | 2 |
| 2018 | 2 | 0 |
| 2019 | 1 | 4 |
| 2020 | 1 | 3 |
| 2021 | 2 | 2 |
| 2022 | 1 | 2 |
| 2023 | 2 | 6 |
| 2024 | 2 | 7 |
| 2025 | 2 | 5 |
| 2026 | 1 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Carbon-based nanomaterial composition and methods of forming the same from a gas mixture that includes acetylene gas4 Aug 2026US 12,698,400 B2Nabors Energy Transition Solutions LLC
- Conductive material dispersion, method for producing the same, and composition for secondary battery electrode, electrode film, secondary battery, and vehicle using conductive material dispersion22 Jul 2025US 12,368,167 B2artience Co., Ltd.
- Biological inks and coatings and associated methods1 Jul 2025US 12,344,529 B2Living Ink Technologies, LLC
- Method for producing carbon material dispersion, carbon material dispersion, and apparatus therefor3 Sep 2024US 12,076,730 B2Refine Holdings Co., Ltd.
- Systems and methods for particle generation9 Jul 2024US 12,030,776 B2Monolith Materials, Inc.
- Carbon-based nanomaterial composition and methods of forming the same from a gas mixture that includes acetylene gas8 Oct 2026US 2026/0308385 A1Nabors Energy Transition Solutions LLC
- Stacked pyrolysis reactor13 Aug 2026US 2026/0233181 A1Winner Technology Co., Ltd.
- Feedstock blend for sustainable carbon black manufacturing13 Aug 2026US 2026/0234410 A1
- A filler composition23 Jul 2026US 2026/0209588 A1
- Efficient process of etching highly graphitic carbons21 May 2026US 2026/0139142 A1Cabot Corporation
Most cited
By later US patents
- Oxidatively aftertreated carbon black40US 6,471,763 B1Degussa-Huls AG · 2002
- Process for the production of carbon black from at least one FCC slurry cut, comprising a specific hydrotreatment24US 9,512,319 B2Ifp Energies Nouvelles · 2016
- Electrically conductive compositions19US 4,664,900 ADenki Kagaku Kogyo Kabushiki Kaisha · 1987
- Process for producing carbon black18US 4,340,577 ADenki Kagaku Kogyo Kabushiki Kaisha · 1982
- Secondary heat addition to particle production process and apparatus15US 11,149,148 B2Monolith Materials, Inc. · 2021