C23C 22/186
Containing also copper cations
Official title: {containing also copper cations}
C23C22/186 (Containing also copper cations) appears on 5 US grants and 1 published applications in this corpus.
Search patents in C23C- Granted patents
- 5
- Published applications
- 1
- Assignees
- 3
- Inventors
- 17
- Latest grant
- 16 Sep 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Zinc phosphating process and composition with reduced pollution potential16 Sep 2003US 6,620,263 B1Henkel Kommanditgesellschaft auf Aktien
- Process and aqueous solution for phosphatizing metallic surfaces17 Jul 2001US 6,261,384 B1Metallgesellschaft Aktiengesellschaft
- Nickel-free phosphating process6 Mar 2001US 6,197,126 B1Henkel Kommanditgesellschaft auf Aktien
- Phosphate conversion coating and compositions and concentrates therefor with stable internal accelerator3 Jan 1995US 5,378,292 AHenkel Corporation
- Process for phosphating metal surfaces7 Dec 1993US 5,268,041 AMetallgesellschaft Aktiengesellschaft
Most cited
By later US patents
- Phosphate conversion coating and compositions and concentrates therefor with stable internal accelerator11US 5,378,292 AHenkel Corporation · 1995
- Process for phosphating metal surfaces10US 5,268,041 AMetallgesellschaft Aktiengesellschaft · 1993
- Nickel-free phosphating process6US 6,197,126 B1Henkel Kommanditgesellschaft auf Aktien · 2001
- Zinc phosphating process and composition with reduced pollution potential3US 6,620,263 B1Henkel Kommanditgesellschaft auf Aktien · 2003
- Process and aqueous solution for phosphatizing metallic surfaces2US 6,261,384 B1Metallgesellschaft Aktiengesellschaft · 2001