B27K 3/32
Mixtures of different inorganic impregnating agents
B27K3/32 (Mixtures of different inorganic impregnating agents) appears on 100 US grants and 79 published applications in this corpus.
Search patents in B27K- Granted patents
- 100
- Published applications
- 79
- Assignees
- 80
- Inventors
- 206
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 4 |
| 2005 | 1 | 3 |
| 2006 | 1 | 5 |
| 2007 | 4 | 2 |
| 2008 | 1 | 5 |
| 2009 | 2 | 3 |
| 2010 | 0 | 2 |
| 2011 | 0 | 4 |
| 2012 | 0 | 2 |
| 2013 | 4 | 3 |
| 2014 | 3 | 3 |
| 2015 | 2 | 3 |
| 2016 | 3 | 3 |
| 2017 | 3 | 4 |
| 2018 | 3 | 5 |
| 2019 | 2 | 4 |
| 2020 | 1 | 3 |
| 2021 | 3 | 4 |
| 2022 | 3 | 6 |
| 2023 | 2 | 4 |
| 2024 | 8 | 6 |
| 2025 | 5 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Treating cellulosic materials and methods of making treated cellulosic materials7 Jul 2026US 12,673,443 B2Georgia Tech Research Corporation
- Method for the modification of wood materials to improve mechanical properties, water resistance and flame retardancy by utilizing a combination of mineralization with infusion and polymerization of biopolymers18 Nov 2025US 12,472,658 B1Hema High-Tech Eco Materials Joint Stock Company
- Board material processing composition, board material laminate, and method for manufacturing board material laminate4 Nov 2025US 12,460,091 B2M&HTechnical Research Institute Co., LTD.
- Method for producing modified wood-based material, furan derivative resinification solution, and modified wood-based material1 Jul 2025US 12,343,896 B2Furanwood Co., Ltd.
- Fire-retardant oriented strand board29 Apr 2025US 12,286,579 B2Arxada AG
- Self-flowing treatment of wood, bamboo, and other porous materials12 Mar 2026US 2026/0070255 A1University of North Texas
- Construction of structural materials from lumber using a carbonate or oxygen pre-treatment and densification10 Oct 2024US 2024/0335975 A1
- Method and device for preparing magnetic bamboo wood22 Aug 2024US 2024/0278454 A1Nanjing Forestry University
- In situ pigmentation of decorative materials15 Aug 2024US 2024/0270922 A1Faurecia Interior Systems, Inc.
- Fire Retardant Composition for Natural Fiber Products1 Aug 2024US 2024/0253265 A1
Most cited
By later US patents
- Phosphate bonded composites and methods50US 8,603,231 B2Latitude 18, Inc. · 2013
- Composition and process for coloring and preserving wood35US 4,313,976 AOsmose Wood Preserving Co. of America, Inc. · 1982
- Water soluble fixed copper-borax wood preservative composition32US 6,306,202 B12001
- Wood preservative composition, process for treating wood with the same, wood treated with the same31US 5,478,598 AKabushiki Kaisha Koshii Preserving · 1995
- Wood preservative composition and process for treating wood with the same30US 5,207,823 AKabushiki Kaisha Koshii Preserving · 1993