B27K 3/38
Aromatic compounds
Official title: Aromatic compounds {(B27K3/343 takes precedence)}
B27K3/38 (Aromatic compounds) appears on 173 US grants and 94 published applications in this corpus.
Search patents in B27K- Granted patents
- 173
- Published applications
- 94
- Assignees
- 112
- Inventors
- 356
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 2 |
| 2002 | 2 | 3 |
| 2003 | 2 | 3 |
| 2004 | 4 | 4 |
| 2005 | 1 | 2 |
| 2006 | 2 | 12 |
| 2007 | 1 | 4 |
| 2008 | 5 | 3 |
| 2009 | 0 | 6 |
| 2010 | 3 | 1 |
| 2011 | 0 | 3 |
| 2012 | 2 | 0 |
| 2013 | 1 | 5 |
| 2014 | 5 | 4 |
| 2015 | 2 | 3 |
| 2016 | 3 | 5 |
| 2017 | 3 | 4 |
| 2018 | 2 | 1 |
| 2019 | 3 | 4 |
| 2020 | 1 | 4 |
| 2021 | 2 | 1 |
| 2022 | 1 | 4 |
| 2023 | 1 | 2 |
| 2024 | 6 | 6 |
| 2025 | 5 | 5 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Wood preservative composition comprising 4,5-dichloro-2-octylisothiazol-3(2H)-one, a method treating a wood substrate therewith, and a wood product produced therefrom26 May 2026US 12,636,810 B2Koppers Performance Chemicals Inc.
- Hydrophobic fluid and use thereof28 Apr 2026US 12,612,530 B2RFH Chemie GmbH & Co. KG
- Wood preservative composition comprising 4,5-dichloro-2-octylisothiazol-3(2H)-one, a method treating a wood substrate therewith, and a wood product produced therefrom9 Dec 2025US 12,491,658 B1Koppers Performance Chemicals Inc.
- Wood preservative composition comprising 4,5-dichloro-2-octylisothiazol-3(2H)-one, a method treating a wood substrate therewith, and a wood product produced therefrom29 Jul 2025US 12,370,716 B2Koppers Performance Chemicals Inc.
- Strong and tough structural wood materials, and methods for fabricating and use thereof29 Apr 2025US 12,285,882 B2University of Maryland, College Park
- Wood preservative and method for producing same11 Jun 2026US 2026/0157370 A1Koppers Performance Chemicals Inc.
- Wood preservative composition comprising 4,5-dichloro-2-octylisothiazol-3(2h)-one, a method treating a wood substrate therewith, and a wood product produced therefrom23 Apr 2026US 2026/0109076 A1Koppers Performance Chemicals Inc.
- Wood preservative composition comprising 4,5-dichloro-2-octylisothiazol-3(2h)-one, a method treating a wood substrate therewith, and a wood product produced therefrom12 Mar 2026US 2026/0070256 A1Koppers Performance Chemicals Inc.
- Wood preservative composition comprising 4,5-dichloro-2-octylisothiazol-3(2h)-one, a method treating a wood substrate therewith, and a wood product produced therefrom11 Dec 2025US 2025/0375917 A1Koppers Performance Chemicals Inc.
- Wood preservative composition comprising 4,5-dichloro-2-octylisothiazol-3(2h)-one, a method treating a wood substrate therewith, and a wood product produced therefrom19 Jun 2025US 2025/0196393 A1Koppers Performance Chemicals Inc.
Most cited
By later US patents
- Anti-fouling compositions57US 5,990,043 ABayer Aktiengesellschaft · 1999
- Method of combating termites56US 4,833,158 AShell Internationale Research Maatschappij B. V. · 1989
- Synergistic wood preservative compositions55US 5,462,589 AMississippi Forest Products Laboratory · 1995
- Inhibiting leaching of fire retardant salts from wood with cyclic sulfonium zwitterion solution impregnant45US 4,049,849 AThe Dow Chemical Company · 1977
- Synergistic compositions containing metconazole and another triazole43US 5,714,507 AJanssen Pharmaceutica NV · 1998