B27K 3/15
Impregnating involving polymerisation including use of polymer-containing impregnating agents
Official title: Impregnating involving polymerisation {including use of polymer-containing impregnating agents (macromolecular compounds derived from lignocellulosic materials C08H; compositions of lignin-containing materials C08L97/02)}
B27K3/15 (Impregnating involving polymerisation including use of polymer-containing impregnating agents) appears on 402 US grants and 395 published applications in this corpus.
Search patents in B27K- Granted patents
- 402
- Published applications
- 395
- Assignees
- 275
- Inventors
- 908
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 13 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 12 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 8 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 10 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 13 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 4 |
| 2002 | 9 | 8 |
| 2003 | 11 | 12 |
| 2004 | 6 | 20 |
| 2005 | 8 | 18 |
| 2006 | 8 | 29 |
| 2007 | 6 | 17 |
| 2008 | 2 | 20 |
| 2009 | 11 | 17 |
| 2010 | 13 | 17 |
| 2011 | 5 | 15 |
| 2012 | 8 | 10 |
| 2013 | 13 | 18 |
| 2014 | 9 | 18 |
| 2015 | 10 | 17 |
| 2016 | 16 | 16 |
| 2017 | 4 | 21 |
| 2018 | 15 | 10 |
| 2019 | 17 | 15 |
| 2020 | 10 | 18 |
| 2021 | 10 | 23 |
| 2022 | 13 | 13 |
| 2023 | 9 | 13 |
| 2024 | 11 | 9 |
| 2025 | 11 | 12 |
| 2026 | 7 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Treating cellulosic materials and methods of making treated cellulosic materials7 Jul 2026US 12,673,443 B2Georgia Tech Research Corporation
- Transparent wood surface imprinting optical device and application thereof30 Jun 2026US 12,667,994 B2Nanjing Forestry University
- Method for treating wood and construction element19 May 2026US 12,629,862 B2Houtindustrie “Mevo B.V.”
- Wood coating compositions12 May 2026US 12,624,249 B2Muylle-Facon
- Part made from lignocellulosic material and method for producing such a part5 May 2026US 12,617,121 B2SAS Woodoo
- Process for partial delignification and filling of a lignocellulosic material, and composite material structure able to be obtained by this process27 Aug 2026US 2026/0249512 A1SAS Woodoo
- Transparent wood composite, method for preparing the same, and optical film comprising the same9 Jul 2026US 2026/0192486 A1Hyundai Motor Company
- Modified wood and transparent wood composites, and systems and methods for forming and use thereof25 Jun 2026US 2026/0175467 A1University of Maryland, College Park
- Method for modifying wood and products thereof28 May 2026US 2026/0145359 A1Rakauco Limited
- Method for producing modified wood material, and modified wood material14 May 2026US 2026/0131497 A1Keihoku Precut Co., Ltd.
Most cited
By later US patents
- Fire retardant compositions and methods for preserving wood products255US 6,620,349 B12003
- Water repellent composition148US 5,695,551 ADow Corning Corporation · 1997
- Golf club head97US 4,568,088 ASumitomo Rubber Industries, Ltd. · 1986
- Aqueous biocidal cationic dispersions of polymers and their use as fungicidal, bactericidal and algicidal treatment agents64US 5,049,383 AHoechst Aktiengesellschaft · 1991
- Process for the preservation of wood63US 3,968,276 ADiversified Wood Products, Inc. · 1976