C22B 23/06
Refining
C22B23/06 (Refining) appears on 62 US grants and 59 published applications in this corpus.
Search patents in C22B- Granted patents
- 62
- Published applications
- 59
- Assignees
- 61
- Inventors
- 210
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 2 |
| 2002 | 5 | 5 |
| 2003 | 1 | 3 |
| 2004 | 3 | 1 |
| 2005 | 2 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 3 |
| 2008 | 0 | 3 |
| 2009 | 1 | 4 |
| 2010 | 2 | 2 |
| 2011 | 2 | 3 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 3 | 1 |
| 2015 | 2 | 3 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 3 |
| 2019 | 3 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 6 |
| 2024 | 1 | 4 |
| 2025 | 6 | 5 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for recycling metals from porous materials comprising them28 Apr 2026US 12,611,652 B2Eurecat S. A.
- Nickel alloy having superior surface properties and production method for the same3 Feb 2026US 12,540,374 B2Nippon Yakin Kogyo Co., Ltd.
- Nickel-based alloy having superior surface properties and production method for the same3 Feb 2026US 12,540,376 B2Nippon Yakin Kogyo Co., Ltd.
- Method for producing mixed metal solution and method for producing mixed metal salt27 Jan 2026US 12,534,776 B2Jx Metals Circular Solutions Co., Ltd.
- Recovery of nickel and cobalt from Li-ion batteries or their waste16 Sep 2025US 12,416,065 B2Umicore AG & Co. KG
- Processes for recovering metallic iron from source material9 Jul 2026US 2026/0193727 A1CVMR Corporation
- Ni-cr-fe-mo alloys with excellent surface properties and their production methods28 May 2026US 2026/0146308 A1Nippon Yakin Kogyo Co., Ltd.
- Nickel-based alloy having superior surface properties and production method for the same21 Aug 2025US 2025/0263815 A1Nippon Yakin Kogyo Co., Ltd.
- Treatment system for the slag phase after removing iron-aluminum-chromium from leaching solution of laterite nickel ore22 May 2025US 2025/0163542 A1Gem Co., Ltd.
- All-in-one nickel recovering method for nickel recovery from raw materials containing nickel27 Feb 2025US 2025/0066875 A1Kemco
Most cited
By later US patents
- Refining and casting apparatus and method29US 6,496,529 B1ATI Properties, Inc. · 2002
- Method for producing large diameter ingots of nickel base alloys28US 6,416,564 B1ATI Properties, Inc. · 2002
- Refining and casting apparatus19US 7,154,932 B2ATI Properties, Inc. · 2006
- Method of winning copper, nickel, and other metals16US 3,967,958 AEthyl Corporation · 1976
- Microwave assisted continuous synthesis of nanocrystalline powders and coatings using the polyol process15US 6,833,019 B1The United States of America as represented by the Secretary of the Navy · 2004