B27K 3/28
Compounds of arsenic or antimony
B27K3/28 (Compounds of arsenic or antimony) appears on 21 US grants and 13 published applications in this corpus.
Search patents in B27K- Granted patents
- 21
- Published applications
- 13
- Assignees
- 18
- Inventors
- 47
- Latest grant
- 26 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for manufacturing transparent heat-insulation building material based on waste wood26 Dec 2023US 11,850,768 B2Zhejiang Pengyuan New Material Technology Group Co., Ltd.
- Enhanced performance of wood and engineered wood products using combined durability and flame retardancy18 Apr 2023US 11,628,590 B2Wood Modification Technologies Limited
- Enhanced performance of wood and engineered wood products using combined durability and flame retardancy28 Jun 2022US 11,370,146 B2Wood Modification Technologies Limited
- Methods of inhibiting the growth of onychomycosis and urushiol-induced allergic contact dermatitis2 Aug 2016US 9,402,860 B2Chesson Laboratory Associates, Inc.
- Wood preservative composition and wood treatment method1 Sep 2009US 7,582,148 B2Shin-Etsu Chemical Co., Ltd.
- Modification arrangement for hygroscopic material18 Apr 2024US 2024/0123651 A1
- Enhanced performance of wood and engineered wood products using combined durability and flame retardancy15 Sep 2022US 2022/0288808 A1Wood Modification Technologies Limited
- Method for manufacturing transparent heat-insulation building material based on waste wood17 Mar 2022US 2022/0080616 A1Zhejiang Pengyuan New Material Technology Group Co., Ltd.
- Enhanced performance of wood and engineered wood products using combined durability and flame retardancy7 May 2020US 2020/0139574 A1Wood Modification Technologies Limited
- Treatment of hardwood articles with copper and/or zinc wood preservatives30 Mar 2017US 2017/0087739 A1Arch Wood Protection, Inc.
Most cited
By later US patents
- Chromated copper arsenate wood preservative compositions22US 3,957,494 AKoppers Company, Inc. · 1976
- Wood preservation process19US 4,325,993 A1982
- Pressure impregnation of wood poles for preservation16US 4,567,115 ABell Canada · 1986
- Wood impregnation12US 4,466,998 AKoppers Company, Inc. · 1984
- Aqueous ammoniacal zinc arsenic or zinc/copper arsenic wood preservative solutions11US 4,038,086 ACanadian Patents and Development Limited · 1977