D01F 9/16
From products of vegetable origin or derivatives thereof
Official title: from products of vegetable origin or derivatives thereof, e.g. from cellulose acetate (D01F9/18 takes precedence)
D01F9/16 (From products of vegetable origin or derivatives thereof) appears on 123 US grants and 152 published applications in this corpus.
Search patents in D01F- Granted patents
- 123
- Published applications
- 152
- Assignees
- 111
- Inventors
- 421
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 3 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 3 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 6 |
| 2010 | 4 | 4 |
| 2011 | 1 | 4 |
| 2012 | 2 | 4 |
| 2013 | 3 | 7 |
| 2014 | 1 | 15 |
| 2015 | 6 | 12 |
| 2016 | 6 | 12 |
| 2017 | 6 | 12 |
| 2018 | 9 | 8 |
| 2019 | 6 | 13 |
| 2020 | 9 | 10 |
| 2021 | 9 | 5 |
| 2022 | 5 | 7 |
| 2023 | 5 | 6 |
| 2024 | 4 | 6 |
| 2025 | 7 | 9 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Continuous fibres based on cellulose and/or cellulose derivatives, method for the production thereof and use thereof25 Aug 2026US 12,716,148 B2Centrotherm International AG
- Carbon hollow fibre membrane23 Dec 2025US 12,502,645 B2Norwegian University of Science and Technology (Ntnu)
- Method for making a carbon fibre from a paper product2 Sep 2025US 12,404,381 B2Centre Technologique Nouvelle-Aquitaine Composites & Materiaux Avances
- Method and device for stabilizing precursor fibers or films for producing carbon fibers or films5 Aug 2025US 12,378,701 B2Centrotherm International AG
- Activated carbon fiber sheet for motor vehicle canister8 Apr 2025US 12,269,007 B2Nippon Paper Industries Co., Ltd.
- Carbon material precursor and method for producing carbon material using same30 Jul 2026US 2026/0218454 A1Nippon Paper Industries Co., Ltd.
- Sugar-based high-strength carbon fiber and preparation method thereof23 Jul 2026US 2026/0209998 A1Harbin Institute of Technology
- Dope composition for producing lignocellulose fiber, highly stretched lignocellulose fiber produced therefrom, and method for producing the same18 Jun 2026US 2026/0168138 A1Korea Institute of Science and Technology
- Novel lignin compositions and methods of making and using same12 Feb 2026US 2026/0042793 A1
- Precursor fibers of lignin-based carbon fibers, their production and use15 Jan 2026US 2026/0015774 A1
Most cited
By later US patents
- Porous carbonaceous material and a method for producing the same54US 5,648,027 AOsaka Gas Co., Ltd. · 1997
- Catalyst support using cellulose fibers, preparation method thereof, supported catalyst comprising nano-metal catalyst supported on carbon nanotubes directly grown on surface of the catalyst support, and method of preparing the supported catalyst40US 7,776,777 B2Korea Institute of Energy Research · 2010
- Carbon fiber manufacturing via plasma technology36US 6,372,192 B1UT-Battelle, LLC · 2002
- Method for adsorbing harmful substance34US 4,046,525 AToyobo Co., Ltd. · 1977
- Manufacture of fibrous activated carbons26US 4,699,896 AThe Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 1987