D01F 11/12
With inorganic substances
Official title: with inorganic substances {; Intercalation}
D01F11/12 (With inorganic substances) appears on 374 US grants and 174 published applications in this corpus.
Search patents in D01F- Granted patents
- 374
- Published applications
- 174
- Assignees
- 227
- Inventors
- 769
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 10 | 0 |
| 1978 | 9 | 0 |
| 1979 | 6 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 10 | 0 |
| 1984 | 12 | 0 |
| 1985 | 7 | 0 |
| 1986 | 8 | 0 |
| 1987 | 13 | 0 |
| 1988 | 4 | 0 |
| 1989 | 13 | 0 |
| 1990 | 26 | 0 |
| 1991 | 12 | 0 |
| 1992 | 12 | 0 |
| 1993 | 13 | 0 |
| 1994 | 12 | 0 |
| 1995 | 14 | 0 |
| 1996 | 14 | 0 |
| 1997 | 14 | 0 |
| 1998 | 5 | 0 |
| 1999 | 10 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 4 |
| 2002 | 2 | 9 |
| 2003 | 6 | 11 |
| 2004 | 5 | 5 |
| 2005 | 9 | 9 |
| 2006 | 4 | 14 |
| 2007 | 6 | 7 |
| 2008 | 6 | 7 |
| 2009 | 11 | 7 |
| 2010 | 3 | 5 |
| 2011 | 8 | 9 |
| 2012 | 3 | 4 |
| 2013 | 4 | 0 |
| 2014 | 2 | 7 |
| 2015 | 0 | 4 |
| 2016 | 5 | 2 |
| 2017 | 4 | 5 |
| 2018 | 6 | 12 |
| 2019 | 3 | 9 |
| 2020 | 8 | 16 |
| 2021 | 7 | 9 |
| 2022 | 7 | 4 |
| 2023 | 4 | 5 |
| 2024 | 10 | 5 |
| 2025 | 2 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- D01F 11/127Metals79
- D01F 11/122Oxygen, oxygen-generating compounds56
- D01F 11/125Carbon52
- D01F 11/123Oxides50
- D01F 11/126Carbides49
- D01F 11/121Halogen, halogenic acids or their salts42
- D01F 11/124Boron, borides, boron nitrides42
- D01F 11/129Intercalated carbon- or graphite fibres25
All 9 subgroupsShow fewer
Recent patents
- 2D nanomaterial fiber and method of fabricating the same21 Jul 2026US 12,686,955 B2Korea Advanced Institute of Science and Technology
- Shark skin biomimetic fabrics for functional clothing16 Jun 2026US 12,655,541 B2Colorado State University Research Foundation
- Method for coating at least one fiber with a boron nitride interphase6 Jan 2026US 12,515,996 B2Centre National De La Recherche Scientifique
- Method and system for production of porous graphitic carbon materials embedded with active components5 Aug 2025US 12,378,699 B2The Regents of the University of California
- Artificial turf fiber with a non-circular cladding14 Jan 2025US 12,195,931 B2Polytex Sportbelage Produktions-GmbH
- Carbon composite material20 Aug 2026US 2026/0245875 A1Toyota Jidosha Kabushiki Kaisha
- Carbon nanotube fiber and method for manufacturing the same4 Jun 2026US 2026/0152879 A1Hyundai Motor Company
- Method for carbonizing a polymeric object in a molten medium30 Apr 2026US 2026/0117425 A1
- Method and system for production of porous graphitic carbon materials embedded with active components30 Oct 2025US 2025/0333880 A1The Regents of the University of California
- Thermoplastic polymers synthesized from depolymerized lignin via free radical polymerization23 Jan 2025US 2025/0026877 A1Iowa State University Research Foundation, Inc.
Most cited
By later US patents
- Carbide nanomaterials684US 6,190,634 B1President and Fellows of Harvard College · 2001
- Carbon fibrils, method for producing same and compositions containing same361US 4,663,230 AHyperion Catalysis International, Inc. · 1987
- Carbon fibrils and method for producing same250US 5,165,909 AHyperion Catalysis Int'l., Inc. · 1992
- Process for production of a carbon filament150US 4,816,289 AAsahi Kasei Kogyo Kabushiki Kaisha · 1989
- 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