C09C 1/44
Carbon
C09C1/44 (Carbon) appears on 1,493 US grants and 1,423 published applications in this corpus.
Search patents in C09C- Granted patents
- 1,493
- Published applications
- 1,423
- Assignees
- 751
- Inventors
- 3,519
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 34 | 0 |
| 1977 | 26 | 0 |
| 1978 | 31 | 0 |
| 1979 | 21 | 0 |
| 1980 | 30 | 0 |
| 1981 | 33 | 0 |
| 1982 | 34 | 0 |
| 1983 | 23 | 0 |
| 1984 | 25 | 0 |
| 1985 | 20 | 0 |
| 1986 | 20 | 0 |
| 1987 | 16 | 0 |
| 1988 | 13 | 0 |
| 1989 | 11 | 0 |
| 1990 | 16 | 0 |
| 1991 | 12 | 0 |
| 1992 | 12 | 0 |
| 1993 | 24 | 0 |
| 1994 | 10 | 0 |
| 1995 | 10 | 0 |
| 1996 | 15 | 0 |
| 1997 | 11 | 0 |
| 1998 | 25 | 0 |
| 1999 | 36 | 0 |
| 2000 | 34 | 0 |
| 2001 | 29 | 13 |
| 2002 | 34 | 20 |
| 2003 | 22 | 30 |
| 2004 | 24 | 50 |
| 2005 | 15 | 44 |
| 2006 | 16 | 43 |
| 2007 | 31 | 36 |
| 2008 | 16 | 53 |
| 2009 | 19 | 52 |
| 2010 | 36 | 54 |
| 2011 | 43 | 49 |
| 2012 | 39 | 49 |
| 2013 | 27 | 63 |
| 2014 | 37 | 49 |
| 2015 | 37 | 64 |
| 2016 | 55 | 62 |
| 2017 | 60 | 82 |
| 2018 | 51 | 67 |
| 2019 | 55 | 55 |
| 2020 | 42 | 63 |
| 2021 | 42 | 61 |
| 2022 | 34 | 80 |
| 2023 | 46 | 60 |
| 2024 | 57 | 85 |
| 2025 | 49 | 79 |
| 2026 | 35 | 60 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Inert thermal decomposition methods and systems1 Sep 2026US 12,723,198 B1Carbon Recovery Innovations LLC
- Carbon nanotube hybrid materials and methods of producing the hybrid materials25 Aug 2026US 12,715,773 B2Chasm Advanced Materials, Inc.
- 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
- Electrically conductive carbon black11 Aug 2026US 12,703,632 B2Birla Carbon U.S.A., Inc.
- 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
- 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
- Multi-jet fusion printing of porous structures8 Oct 2026US 2026/0308398 A1Nanyang Technological University
- Dispersions containing graphenic carbon nanoparticles and dispersant resins1 Oct 2026US 2026/0296894 A1PPG Industries Ohio, Inc.
- Elastomer composites produced from sustainable fillers and methods for making and using the same1 Oct 2026US 2026/0297289 A1The Goodyear Tire & Rubber Company
- Staged injector to enhance structure of reclaimed carbon blends1 Oct 2026US 2026/0297299 A1Cabot Corporation
Most cited
By later US patents
- Process for preparing carbon materials with diazonium salts and resultant carbon products257US 5,554,739 ACabot Corporation · 1996
- Ink jet ink formulations containing carbon black products241US 5,571,311 ACabot Corporation · 1996
- Ink compositions containing modified pigment particles217US 5,281,261 AXerox Corporation · 1994
- Treatment of diesel exhaust gases207US 4,902,487 AJohnson Matthey PLC · 1990
- Ink jet ink formulations containing modified carbon products172US 5,630,868 ACabot Corporation · 1997