B27K 3/50
Mixtures of different organic impregnating agents
B27K3/50 (Mixtures of different organic impregnating agents) appears on 220 US grants and 163 published applications in this corpus.
Search patents in B27K- Granted patents
- 220
- Published applications
- 163
- Assignees
- 173
- Inventors
- 456
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 3 |
| 2002 | 8 | 9 |
| 2003 | 8 | 7 |
| 2004 | 4 | 9 |
| 2005 | 3 | 7 |
| 2006 | 2 | 7 |
| 2007 | 4 | 5 |
| 2008 | 4 | 7 |
| 2009 | 1 | 6 |
| 2010 | 6 | 7 |
| 2011 | 0 | 7 |
| 2012 | 7 | 5 |
| 2013 | 5 | 6 |
| 2014 | 6 | 7 |
| 2015 | 5 | 8 |
| 2016 | 8 | 3 |
| 2017 | 6 | 13 |
| 2018 | 3 | 3 |
| 2019 | 6 | 9 |
| 2020 | 4 | 7 |
| 2021 | 4 | 11 |
| 2022 | 2 | 2 |
| 2023 | 2 | 5 |
| 2024 | 6 | 4 |
| 2025 | 3 | 5 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wood coating compositions12 May 2026US 12,624,249 B2Muylle-Facon
- Wood preservatives24 Feb 2026US 12,557,809 B2
- Method for producing colored wood4 Nov 2025US 12,459,159 B2Panasonic Intellectual Property Management Co., Ltd.
- Wood preservatives30 Sep 2025US 12,426,596 B2
- Production of nanoscale emulsion18 Mar 2025US 12,251,670 B2BDC-Technology Oy
- Flavored porous material for flavored beverage production29 Jan 2026US 2026/0028562 A1Danstar Ferment AG
- Anti-mold and odor-removing osb containing biologically active substance and preparation method thereof25 Dec 2025US 2025/0387942 A1Byherb Bigbio Technology (Qingdao) Co., Ltd.
- Bio-based sealing composition, wood product comprising the same and applications thereof18 Sep 2025US 2025/0289979 A1Nano and Advanced Materials Institute Limited
- Wood coating compositions4 Sep 2025US 2025/0277133 A1Muylle-Facon
- Polymerizable solution for obtaining a furan polymer impregnated material3 Jul 2025US 2025/0214278 A1Kebony AB
Most cited
By later US patents
- Waterproofing and preservative compositons for wood68US 5,833,741 ALonza Ltd. · 1998
- Anti-fouling compositions57US 5,990,043 ABayer Aktiengesellschaft · 1999
- One step process for imparting decay resistance and fire retardancy to wood products49US 5,185,214 A1993
- Synergistic compositions containing metconazole and another triazole43US 5,714,507 AJanssen Pharmaceutica NV · 1998
- Wood preservatives42US 5,635,217 ADr. Wolman GmbH · 1997