D01F 9/17
From lignin
Official title: from lignin
D01F9/17 (From lignin) appears on 47 US grants and 82 published applications in this corpus.
Search patents in D01F- Granted patents
- 47
- Published applications
- 82
- Assignees
- 46
- Inventors
- 196
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 3 | 2 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 9 |
| 2015 | 2 | 7 |
| 2016 | 5 | 7 |
| 2017 | 4 | 7 |
| 2018 | 7 | 6 |
| 2019 | 1 | 8 |
| 2020 | 5 | 7 |
| 2021 | 5 | 1 |
| 2022 | 4 | 2 |
| 2023 | 1 | 2 |
| 2024 | 1 | 5 |
| 2025 | 4 | 6 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and device for stabilizing precursor fibers or films for producing carbon fibers or films5 Aug 2025US 12,378,701 B2Centrotherm International AG
- Process for the manufacture of a precursor yarn25 Feb 2025US 12,234,577 B2Stora Enso OYJ
- Activated carbon fiber sheet for motor vehicle canister28 Jan 2025US 12,208,367 B2Nippon Paper Industries Co., Ltd.
- Relating to carbon fibre processing28 Jan 2025US 12,209,332 B2University of Limerick
- Carbon fibre precursors6 Aug 2024US 12,054,616 B2University of Limerick
- 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
- Method for making fibres13 Nov 2025US 2025/0347033 A1
- Melt spinning lignin/acrylic fibers6 Nov 2025US 2025/0341031 A1North Carolina State University
Most cited
By later US patents
- Method for adsorbing harmful substance34US 4,046,525 AToyobo Co., Ltd. · 1977
- Carbon fibers from kraft softwood lignin26US 7,678,358 B2Weyerhaeuser NR Company · 2010
- Carbon fibers from kraft softwood lignin20US 7,794,824 B2Weyerhaeuser NR Company · 2010
- Method for manufacturing lignin for carbon fiber spinning16US 5,344,921 AForestry and Forest Products Research Institute, Ministry of Agriculture, Forestry and Fisheries · 1994
- Flameresisting apparatus14US 5,142,796 AMitsubishi Rayon Co., Ltd. · 1992