C25D 21/22
By ion-exchange
Official title: by ion-exchange
C25D21/22 (By ion-exchange) appears on 49 US grants and 40 published applications in this corpus.
Search patents in C25D- Granted patents
- 49
- Published applications
- 40
- Assignees
- 48
- Inventors
- 164
- Latest grant
- 2 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 2 |
| 2003 | 2 | 2 |
| 2004 | 0 | 3 |
| 2005 | 1 | 4 |
| 2006 | 2 | 1 |
| 2007 | 1 | 3 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 3 | 3 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 3 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for depositing a zinc-nickel alloy on a substrate2 Apr 2024US 11,946,152 B2Atotech Deutschland GmbH
- Multi-compartment electrochemical replenishment cell11 Jul 2023US 11,697,887 B2APPLIED Materials.Inc.
- Two-chamber electrodialysis cell with anion and cation exchange membrane for use as an anode in alkaline zinc electrolytes and zinc alloy electrolytes for the purpose of deposition of metal in electroplating systems11 Aug 2020US 10,738,391 B2Coventya International GmbH
- Method for regenerating plating liquid, plating method, and plating apparatus11 Jul 2017US 9,702,044 B2Fuji Shoji Co., Ltd.
- Electro chemical deposition and replenishment apparatus28 Apr 2015US 9,017,528 B2Tel Nexx, Inc.
- Method for managing electrodeposition liquid, and electrodeposition device3 Sep 2026US 2026/0258576 A1Mitsubishi Materials Corporation
- Electrodeposition systems1 Jan 2026US 2026/0002282 A1Lam Research Corporation
- Method for reducing the concentration of iron ions in a trivalent chromium eletroplating bath8 Dec 2022US 2022/0389607 A1Atotech Deutschland GmbH
- Method and system for depositing a zinc-nickel alloy on a substrate3 Nov 2022US 2022/0349080 A1Atotech Deutschland GmbH
- Multi-compartment electrochemical replenishment cell28 Apr 2022US 2022/0127747 A1APPLIED Materials.Inc.
Most cited
By later US patents
- Ion exchange treatment for removing toxic metals and cyanide values from waste waters73US 4,321,145 A1982
- Regeneration of plating baths and system therefore43US 6,596,148 B1Mykrolis Corporation · 2003
- Regeneration of plating baths38US 6,391,209 B1Mykrolis Corporation · 2002
- Process of separating and recovering metal values from a waste stream31US 5,002,645 ASaginaw Valley State University · 1991
- Anolyte for copper plating30US 7,670,465 B2APPLIED Materials.Inc. · 2010