C08G 18/6492
Lignin containing materials
Official title: {Lignin containing materials; Wood resins; Wood tars; Derivatives thereof}
C08G18/6492 (Lignin containing materials) appears on 148 US grants and 189 published applications in this corpus.
Search patents in C08G- Granted patents
- 148
- Published applications
- 189
- Assignees
- 125
- Inventors
- 475
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 4 |
| 2002 | 7 | 5 |
| 2003 | 6 | 11 |
| 2004 | 6 | 3 |
| 2005 | 1 | 1 |
| 2006 | 3 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 5 |
| 2011 | 4 | 13 |
| 2012 | 0 | 6 |
| 2013 | 4 | 3 |
| 2014 | 6 | 3 |
| 2015 | 1 | 6 |
| 2016 | 5 | 12 |
| 2017 | 8 | 15 |
| 2018 | 7 | 7 |
| 2019 | 9 | 12 |
| 2020 | 7 | 11 |
| 2021 | 7 | 15 |
| 2022 | 8 | 8 |
| 2023 | 6 | 15 |
| 2024 | 11 | 14 |
| 2025 | 5 | 8 |
| 2026 | 6 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polyurethanes from depolymerized lignin containing lignin monomers8 Sep 2026US 12,729,265 B2Vito NV
- Formaldehyde-free binders and methods for producing the same8 Sep 2026US 12,729,268 B2Collix S.R.L.
- Adhesive composition, and resin material, rubber article, organic fiber-rubber composite, and tire using same25 Aug 2026US 12,716,016 B2Bridgestone Corporation
- Organic slurry and method for manufacture thereof11 Aug 2026US 12,703,795 B2Willamette Valley Company
- Thermoplastic polyurethanes derived from lignin monomers9 Jun 2026US 12,649,816 B2Vito NV
- Modified pu foam13 Aug 2026US 2026/0234350 A1Wenatex Forschung - Entwicklung - Produktion GmbH
- Polyurethane system, polyurethane polymer and adhesive thereof30 Jul 2026US 2026/0217894 A1
- Method for preparing a thermosetting binder composition based on water-soluble or water-dispersible lignin ester, for binding fibres23 Jul 2026US 2026/0209447 A1Saint-Gobain Isover
- Ammonium polyphosphate loaded particles as a flame retardant in polymer compositions23 Apr 2026US 2026/0109805 A1Universiteit Twente
- Coal-derived carbon-based insulation foam and methods of making the same9 Apr 2026US 2026/0098154 A1
Most cited
By later US patents
- Method for compression molding articles from lignocellulosic materials95US 5,002,713 ABoard of Control of Michigan Technological University · 1991
- Process for the production of cellulose-silicate products86US 4,328,136 A1982
- Aqueous polyisocyanate-lignin adhesive29US 4,279,788 ABoise Cascade Corporation · 1981
- Process for the production of polyurethane products28US 4,292,214 A1981
- Polyurethane intermediates and products and methods of producing same from lignin24US 4,017,474 AResearch Corporation · 1977