C08J 2497/00
Working-up: characterised by the use of lignin-containing materials
Official title: Characterised by the use of lignin-containing materials
C08J2497/00 (Working-up: characterised by the use of lignin-containing materials) appears on 80 US grants and 198 published applications in this corpus.
Search patents in C08J- Granted patents
- 80
- Published applications
- 198
- Assignees
- 137
- Inventors
- 449
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 0 | 3 |
| 2012 | 1 | 5 |
| 2013 | 2 | 2 |
| 2014 | 1 | 7 |
| 2015 | 3 | 8 |
| 2016 | 4 | 9 |
| 2017 | 3 | 8 |
| 2018 | 4 | 9 |
| 2019 | 4 | 14 |
| 2020 | 6 | 13 |
| 2021 | 3 | 15 |
| 2022 | 7 | 16 |
| 2023 | 8 | 20 |
| 2024 | 13 | 24 |
| 2025 | 12 | 19 |
| 2026 | 4 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Biodegradable and/or biocompatible films and coatings with low contact angle hysteresis for omniphobic applications25 Aug 2026US 12,715,970 B2University of Central Florida Research Foundation, Inc.
- Preparation process for high-strength PVC composite board21 Apr 2026US 12,605,861 B1Dongguan Etan Management Consulting Co., Ltd
- Bio-based carbon foam31 Mar 2026US 12,590,197 B2Stora Enso OYJ
- Biodegradable foams17 Mar 2026US 12,577,361 B2Cruz Foam, Inc.
- Depolymerized lignosulfonate and lignin as extender for phenolic resin18 Nov 2025US 12,473,410 B2Wilsonart LLC
- Processing aid, and method for obtaining a processing aid24 Sep 2026US 2026/0286070 A1Devinochem GmbH & Co. KG
- Hemp polymer materials and methods of making same24 Sep 2026US 2026/0286111 A1The Hemp Plastic Company
- Antimicrobial hemp polymer materials and methods of making same24 Sep 2026US 2026/0286112 A1The Hemp Plastic Company
- Monoextruded hemp composite board20 Aug 2026US 2026/0242604 A1
- Modified pu foam13 Aug 2026US 2026/0234350 A1Wenatex Forschung - Entwicklung - Produktion GmbH
Most cited
By later US patents
- Composite board and method70US 4,818,604 ASub-Tank Renewal Systems, Inc. · 1989
- Powder based balancing layer63US 9,085,905 B2Välinge Innovation AB · 2015
- Powder based balancing layer52US 10,214,913 B2Välinge Innovation AB · 2019
- Powder based balancing layer34US 11,046,063 B2Välinge Innovation AB · 2021
- Combination blowing agent and filler for thermoplastic foams23US 4,559,367 AThe Dow Chemical Company · 1985