C01G 53/00
Compounds of nickel
C01G53/00 (Compounds of nickel) appears on 2,808 US grants and 4,722 published applications in this corpus.
Search patents in C01G- Granted patents
- 2,808
- Published applications
- 4,722
- Assignees
- 1,070
- Inventors
- 6,987
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 19 | 0 |
| 1978 | 11 | 0 |
| 1979 | 4 | 0 |
| 1980 | 16 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 13 | 0 |
| 1984 | 13 | 0 |
| 1985 | 17 | 0 |
| 1986 | 11 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 12 | 0 |
| 1996 | 16 | 0 |
| 1997 | 22 | 0 |
| 1998 | 23 | 0 |
| 1999 | 23 | 0 |
| 2000 | 32 | 0 |
| 2001 | 24 | 13 |
| 2002 | 25 | 34 |
| 2003 | 24 | 39 |
| 2004 | 26 | 50 |
| 2005 | 20 | 46 |
| 2006 | 18 | 48 |
| 2007 | 20 | 44 |
| 2008 | 25 | 58 |
| 2009 | 37 | 91 |
| 2010 | 56 | 82 |
| 2011 | 53 | 103 |
| 2012 | 46 | 123 |
| 2013 | 73 | 128 |
| 2014 | 80 | 131 |
| 2015 | 89 | 159 |
| 2016 | 96 | 171 |
| 2017 | 127 | 173 |
| 2018 | 131 | 169 |
| 2019 | 149 | 202 |
| 2020 | 180 | 263 |
| 2021 | 139 | 278 |
| 2022 | 165 | 387 |
| 2023 | 185 | 460 |
| 2024 | 251 | 492 |
| 2025 | 260 | 507 |
| 2026 | 214 | 471 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C01G 53/40Complex oxides containing nickel and at least one other metal element2,182
- C01G 53/80Compounds containing nickel, with or without oxygen or hydrogen, and containing one715
- C01G 53/04Oxides138
- C01G 53/05Hydroxides125
- C01G 53/01Preparation or separation involving a liquid-liquid extraction, an adsorption or an ion-exchange110
- C01G 53/10Sulfates73
- C01G 53/11Sulfides45
- C01G 53/06Carbonates33
All 11 subgroupsShow fewer
Recent patents
- Method for producing Na containing oxide, and Na containing oxide6 Oct 2026US 12,752,339 B2Toyota Jidosha Kabushiki Kaisha
- Microwave-processed, ultra-rapid quenched lithium-rich lithium manganese nickel oxide and methods of making the same6 Oct 2026US 12,753,090 B2Stratus Materials Inc.
- Method for recovering active material using positive electrode scrap6 Oct 2026US 12,756,026 B2LG Energy Solution, Ltd.
- Method and apparatus for fast iron and nickel carbonylation29 Sep 2026US 12,747,164 B2
- Positive electrode active material precursor for secondary battery, positive electrode active material, and lithium secondary battery including the positive electrode active material29 Sep 2026US 12,749,675 B2LG Chem.Ltd.
- Method for manufacturing positive electrode active material precursor8 Oct 2026US 2026/0308011 A1Kemco
- Metal hydroxide particles and positive electrode active material8 Oct 2026US 2026/0308012 A1Toyota Jidosha Kabushiki Kaisha
- A method for synthesis of cathode materials from black mass8 Oct 2026US 2026/0308013 A1University of Kentucky Research Foundation
- Positive electrode active material and preparation method thereof, positive electrode plate, lithium-ion secondary battery, and battery module, battery pack, and apparatus related thereto8 Oct 2026US 2026/0308014 A1Contemporary Amperex Technology (Hong Kong) Limited
- Metal hydroxide particles8 Oct 2026US 2026/0308015 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- High power ultrasonic reactor for sonochemical applications392US 7,157,058 B2Nano-Size Ltd. · 2007
- Lithium metal oxide electrodes for lithium cells and batteries208US 6,680,143 B2The University of Chicago · 2004
- Lithium metal oxide electrodes for lithium cells and batteries194US 6,677,082 B2The University of Chicago · 2004
- Lithiated nickel dioxide and secondary cells prepared therefrom174US 5,264,201 AHer Majesty the Queen in right of the Province of British Columbia · 1993
- Very high purity fine powders and methods to produce such powders142US 6,569,397 B12003