C08L 97/005
Lignin
Official title: {Lignin}
C08L97/005 (Lignin) appears on 477 US grants and 758 published applications in this corpus.
Search patents in C08L- Granted patents
- 477
- Published applications
- 758
- Assignees
- 386
- Inventors
- 1,508
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 1 |
| 2003 | 5 | 7 |
| 2004 | 3 | 3 |
| 2005 | 2 | 5 |
| 2006 | 4 | 2 |
| 2007 | 2 | 3 |
| 2008 | 0 | 10 |
| 2009 | 1 | 3 |
| 2010 | 6 | 9 |
| 2011 | 1 | 10 |
| 2012 | 1 | 16 |
| 2013 | 12 | 37 |
| 2014 | 14 | 42 |
| 2015 | 24 | 43 |
| 2016 | 32 | 50 |
| 2017 | 30 | 30 |
| 2018 | 30 | 49 |
| 2019 | 18 | 62 |
| 2020 | 33 | 49 |
| 2021 | 34 | 61 |
| 2022 | 36 | 53 |
| 2023 | 28 | 54 |
| 2024 | 33 | 69 |
| 2025 | 42 | 54 |
| 2026 | 27 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing stabilized lignin having a high specific surface area6 Oct 2026US 12,753,283 B2Suncoal Industries GmbH
- Process of making sulfonated lignin-based compositions, sulfonated lignin-based compositions so-obtained and their use29 Sep 2026US 12,747,259 B2Rg Dispersants Ltd.
- Composite biomass materials and systems and methods for making same8 Sep 2026US 12,729,287 B2
- High temperature low emitting mineral wool product18 Aug 2026US 12,709,684 B2Rockwool A/S
- Aqueous wax emulsions and dispersions and uses thereof14 Jul 2026US 12,678,996 B2Walker Industries Holdings Limited
- Lignin based biodegradable polymers and methods of making the same17 Sep 2026US 2026/0275032 A1The Florida State University Research Foundation, Inc.
- High-strength agricultural foam10 Sep 2026US 2026/0265479 A1Brekland Incorporated
- Elastomeric composition and articles comprising the composition3 Sep 2026US 2026/0258209 A1Upm-Kymmene Corporation
- A method for producing a carbon material from lignin27 Aug 2026US 2026/0250134 A1Stora Enso OYJ
- Plastic composition, extrusion profile with plastic composition and method for producing an extrusion profile20 Aug 2026US 2026/0242603 A1Salamander Industrie-Produkte GmbH
Most cited
By later US patents
- Rubber compositions containing high purity lignin derivatives59US 5,196,460 ARepap Technologies Inc. · 1993
- Extended binder compositions59US 7,026,390 B2Owens Corning Fiberglas Technology, Inc. · 2006
- Organophilic modified polymers44US 4,863,980 AVenture Chemicals, Inc. · 1989
- Compositions based on lignin derivatives43US 6,172,204 B2Regents of the University of Minnesota · 2001
- Mixed ethylene and propylene carbonate-containing organic polyisocyanate adhesive binder composition38US 4,359,507 AAtlantic Richfield Company · 1982