C01B 35/127
Of heavy metals
Official title: {of heavy metals}
C01B35/127 (Of heavy metals) appears on 25 US grants and 23 published applications in this corpus.
Search patents in C01B- Granted patents
- 25
- Published applications
- 23
- Assignees
- 22
- Inventors
- 66
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 3 |
| 2022 | 2 | 1 |
| 2023 | 2 | 3 |
| 2024 | 0 | 1 |
| 2025 | 6 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Production of metal borates with nano-dimension8 Sep 2026US 12,729,125 B2Celal Bayar Universitesi Tekn. Gel. Bol. A. S.
- System and method for generating metal oxide borate from a boron solution14 Jul 2026US 12,679,737 B1Westwind Farms Inc.
- Fabrication of CaB2O4/Co3(BO3)2/PbO2/Co3O4 nanocomposite material using Pechini sol-gel method28 Oct 2025US 12,454,461 B1Imam Mohammad Ibn Saud Islamic University
- Separation and purification of rare-earth elements by chemical reduction in aqueous solutions23 Sep 2025US 12,421,124 B2Winston-Salem State University
- Particulate nanocomposite material23 Sep 2025US 12,421,125 B1Imam Mohammad Ibn Saud Islamic University
- Lead decahydroxydecaborate dihydroxy monoborate monohydrate nonlinear optical crystal, preparation method and application thereof21 May 2026US 2026/0139403 A1Xinjiang Normal University
- Cobalt-free high-nickel positive electrode material, preparation method therefor and use thereof9 May 2024US 2024/0150197 A1Svolt Energy Technology Co., Ltd.
- Production of metal borates with nano-dimension25 May 2023US 2023/0159341 A1Celal Bayar Universitesi Tekn. Gel. Bol. A. S.
- Composition and method for conducting a material removing operation13 Apr 2023US 2023/0116858 A1Saint-Gobain Ceramics & Plastics, Inc.
- Synthesis of amorphous and nanostructured lutetium borate hexahydrate and method for preparing stable colloidal dispersions16 Mar 2023US 2023/0078363 A1Vertratech Kimya Sanayi Ve Ticaret Limited Sirketi
Most cited
By later US patents
- Catalyst containing cobalt boron and oxygen and optionally aluminum of preparation and process43US 4,863,888 AAmoco Corporation · 1989
- Rare-earth borate and its precursor, preparation processes and use of borate as luminophore12US 6,238,593 B1Rhodia Chimie · 2001
- Positive active material for an electric cell, a method of preparing the positive active material and a cell which uses it7US 4,292,382 ASaft Leclanche · 1981
- Rare earth borate, its precursor, and luminophore made thereof4US 6,596,196 B2Rhodia Chimie · 2003
- Complexometric precursor formulation methodology for industrial production of fine and ultrafine powders and nanopowders for lithium metal oxides for battery applications3US 9,159,999 B2Nano One Materials Corp. · 2015