C01B 35/122
Sodium tetraborates
Official title: {Sodium tetraborates; Hydrates thereof, e.g. borax}
C01B35/122 (Sodium tetraborates) appears on 15 US grants and 11 published applications in this corpus.
Search patents in C01B- Granted patents
- 15
- Published applications
- 11
- Assignees
- 18
- Inventors
- 47
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 2 | 2 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods for extracting boron from an organic solution23 Sep 2025US 12,421,123 B2Albemarle Corporation
- Separation and purification of rare-earth elements by chemical reduction in aqueous solutions23 Sep 2025US 12,421,124 B2Winston-Salem State University
- Method for producing tetrahydroborate and tetrahydroborate27 Jun 2023US 11,685,664 B2Sintokogio, Ltd.
- Boronizing powder compositions for improved boride layer quality in oil country tubular goods and other metal articles7 Dec 2021US 11,192,792 B2BWT Aktiengesellschaft
- Separation and purification of rare-earth elements by chemical reduction in aqueous solutions27 Apr 2021US 10,988,386 B1Winston-Salem State University
- Process for borate granulation and composition30 Jul 2026US 2026/0217547 A1U. S. Borax Inc.
- Methods for extracting boron from an organic solution11 Dec 2025US 2025/0376381 A1Albemarle Corporation
- Methods for Extracting Boron From an Organic Solution17 Mar 2022US 2022/0081306 A1Albemarle Corporation
- Separation and purification of rare-earth elements by chemical reduction in aqueous solutions2 Dec 2021US 2021/0371290 A1Winston-Salem State University
- Method for producing tetrahydroborate and tetrahydroborate25 Nov 2021US 2021/0363022 A1Sintokogio, Ltd.
Most cited
By later US patents
- Dehydration process10US 4,179,493 A1979
- Method and apparatus for manufacturing improved puffed borax5US 4,412,978 AStokely-Van Camp, Inc. · 1983
- Reticulated puffed borax having enhanced absorptive capacity5US 4,547,352 ACapital City Products Company · 1985
- Separation and purification of salts in a non-convective solar pond5US 4,569,676 ACominco Ltd. · 1986
- Compacts of spray dried water soluble compounds3US 5,108,726 AKerr-McGee Chemical Corporation · 1992