C03C 25/44
Carbon
Official title: Carbon, e.g. graphite
C03C25/44 (Carbon) appears on 28 US grants and 46 published applications in this corpus.
Search patents in C03C- Granted patents
- 28
- Published applications
- 46
- Assignees
- 41
- Inventors
- 115
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 3 |
| 2014 | 2 | 2 |
| 2015 | 0 | 5 |
| 2016 | 4 | 2 |
| 2017 | 1 | 1 |
| 2018 | 0 | 3 |
| 2019 | 1 | 3 |
| 2020 | 2 | 3 |
| 2021 | 0 | 3 |
| 2022 | 1 | 2 |
| 2023 | 1 | 3 |
| 2024 | 2 | 0 |
| 2025 | 4 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and device for producing conductive glass fiber mesh with laser induced coating graphene14 Oct 2025US 12,441,657 B2Chongqing Institute of East China Normal University
- Exfoliation of graphite to graphene by interface stabilization2 Sep 2025US 12,404,177 B2University of Connecticut
- Adducts between carbon allotropes and pyrrole derivatives, elastomer mixtures comprising them and tyres comprising such mixtures3 Jun 2025US 12,320,059 B2Pirelli Tyre S. P. A.
- Thermal insulation material comprising partially oxidized graphite oxide particles18 Feb 2025US 12,227,937 B2Saint-Gobain Isover
- Process for coating fibers containing polar moieties16 Jul 2024US 12,037,742 B2Politecnico Di Milano
- A sensor comprised of functionalized nanoparticles and a porous substrate5 Feb 2026US 2026/0035296 A1University of Delaware
- Fibrous Core-Shell Silicon-Carbon Structures11 Dec 2025US 2025/0376415 A1The Regents of the University of California
- Asphalt composition for roofing applications27 Mar 2025US 2025/0101257 A1CertainTeed Corporation
- Exfoliation of Graphite to Graphene by Interface Stabilization17 Aug 2023US 2023/0257271 A1University of Connecticut
- Processes for depositing functionalized nanoparticles upon a substrate9 Mar 2023US 2023/0070364 A1University of Delaware
Most cited
By later US patents
- Coated absorbent fibers57US 5,834,114 AThe Board of Trustees of the University of Illinois · 1998
- Carbon coating of optical fibres14US 5,062,687 AStc PLC · 1991
- Vacuum insulation panel having carbonized asphalt coated glass fiber filler14US 5,601,897 AOwens Corning Fiberglass Technology, Inc. · 1997
- Processes for manufacturing particles coated with activated lignosulfonate12US 6,733,827 B2The Procter & Gamble Company · 2004
- Process for carbon-coating silicate glass fibers11US 5,702,498 AOwens Corning Fiberglas Technology, Inc. · 1997