C04B 2235/3409
Boron oxide, borates, boric acids, or oxide forming salts thereof
Official title: Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
C04B2235/3409 (Boron oxide, borates, boric acids, or oxide forming salts thereof) appears on 790 US grants and 987 published applications in this corpus.
Search patents in C04B- Granted patents
- 790
- Published applications
- 987
- Assignees
- 442
- Inventors
- 2,088
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 8 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 7 | 14 |
| 2003 | 14 | 33 |
| 2004 | 24 | 41 |
| 2005 | 23 | 34 |
| 2006 | 23 | 47 |
| 2007 | 29 | 50 |
| 2008 | 34 | 37 |
| 2009 | 28 | 60 |
| 2010 | 42 | 50 |
| 2011 | 25 | 47 |
| 2012 | 43 | 57 |
| 2013 | 36 | 49 |
| 2014 | 43 | 36 |
| 2015 | 35 | 41 |
| 2016 | 37 | 34 |
| 2017 | 37 | 22 |
| 2018 | 24 | 25 |
| 2019 | 31 | 46 |
| 2020 | 28 | 32 |
| 2021 | 17 | 43 |
| 2022 | 32 | 49 |
| 2023 | 36 | 41 |
| 2024 | 29 | 48 |
| 2025 | 43 | 28 |
| 2026 | 16 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Annealing separator composition for grain- oriented electrical steel sheet, grain-oriented electrical steel sheet, and method for producing grain-oriented electrical steel sheet6 Oct 2026US 12,753,457 B2Posco
- Method of making vacuum insulated panel25 Aug 2026US 12,715,199 B2LuxWall, Inc.
- High-zirconia electro-fused cast refractory material25 Aug 2026US 12,715,817 B2Saint-Gobain TM K.K.
- Piezoelectric materials and piezoelectric devices25 Aug 2026US 12,721,042 B2Beijing BOE Technology Development Co., Ltd.
- Cordierite-based ceramic(s) and member for a telescope4 Aug 2026US 12,698,239 B2KYOCERA Corporation
- Multi-doped garnet electrolytes27 Aug 2026US 2026/0253946 A1Ion Storage Systems, Inc.
- CaO-ZrO2 Composition, Method for Producing CaO-ZrO2 Composition, and CaO-ZrO2-Containing Refractory Material and Casting Nozzle13 Aug 2026US 2026/0234064 A1Krosakiharima Corporation
- Fabrication of ceramic matrix composites13 Aug 2026US 2026/0234069 A1Rtx Corporation
- Ltcc composition having improved properties, manufacturing method of ceramic electric element using the same and ceramic electric element therefrom30 Jul 2026US 2026/0217609 A1Korea Institute of Ceramic Engineering and Technology
- Slurry infiltration of sacrificial material23 Jul 2026US 2026/0209127 A1Rtx Corporation
Most cited
By later US patents
- Flexible nonwoven mat204US 5,380,580 AMinnesota Mining and Manufacturing Company · 1995
- Core-shell ceramic particulate and method of making104US 7,670,679 B2General Electric Company · 2010
- Al2O3-rare earth oxide-ZrO2/HfO2 materials, and methods of making and using the same99US 7,563,293 B23M Innovative Properties Company · 2009
- Glass-ceramic structures and sintered multilayer substrates thereof with circuit patterns of gold, silver or copper93US 4,301,324 AInternational Business Machines Corporation · 1981
- Glass ceramic composition83US 6,939,819 B2Asahi Glass Company, Limited · 2005