B27K 3/18
Compounds of alkaline earth metals
B27K3/18 (Compounds of alkaline earth metals) appears on 19 US grants and 30 published applications in this corpus.
Search patents in B27K- Granted patents
- 19
- Published applications
- 30
- Assignees
- 28
- Inventors
- 77
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 4 |
| 2022 | 2 | 3 |
| 2023 | 1 | 4 |
| 2024 | 2 | 6 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for preventing damage caused by a fire20 Jan 2026US 12,528,990 B2Success World, S.L.
- Green process for modifying wood2 Dec 2025US 12,485,570 B2T2Earth Holdings LLC
- 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
- Truncating the distribution of modulus properties in natural populations of wood22 Oct 2024US 12,122,065 B2InventWood Inc.
- Construction of structural materials from lumber using a carbonate or oxygen pre-treatment and densification18 Jun 2024US 12,011,845 B2
- Process To Make Silicate Functionalized Engineered Wood Articles With Improved Properties9 Jul 2026US 2026/0192485 A1T2Earth Holdings LLC
- Truncating the distribution of modulus properties in natural populations of wood9 Jan 2025US 2025/0010511 A1InventWood Inc.
- Construction of structural materials from lumber using a carbonate or oxygen pre-treatment and densification10 Oct 2024US 2024/0335975 A1
- Method for producing fire retardant, decay resistant lumber, and production line for its implementation22 Aug 2024US 2024/0278456 A1
- Flame retardant wood, preparation method thereof and use of metal halide21 Mar 2024US 2024/0091980 A1Northeast Forestry University
Most cited
By later US patents
- Pigment for blocking tannin migration21US 4,218,516 AThe Dow Chemical Company · 1980
- Product and method for forming in situ insoluble metal silicates in wood pores for fire retardation and preservation18US 3,974,318 A1976
- Production of shaped bodies of boron compounds15US 4,661,157 ALaporte Industries Limited · 1987
- Method of protecting wood with perfluoroalkane sulfonates13US 4,092,110 ABASF SE · 1978
- Chemical process for the coloration of wood in a basic aqueous medium6US 4,737,154 ASDSM&T Foundation Research Center, Inc. · 1988