C23C 22/67
With solutions containing hexavalent chromium
Official title: with solutions containing hexavalent chromium
C23C22/67 (With solutions containing hexavalent chromium) appears on 6 US grants and 3 published applications in this corpus.
Search patents in C23C- Granted patents
- 6
- Published applications
- 3
- Assignees
- 7
- Inventors
- 8
- Latest grant
- 16 Feb 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Pigment grade corrosion inhibitor host-guest compositions and procedure16 Feb 2010US 7,662,312 B2Wayne Pigment Corp.
- Pigment grade corrosion inhibitor host-guest compositions and procedure25 Aug 2009US 7,578,878 B2Wayne Pigment Corp.
- Composition and process for treating metal surfaces16 Oct 1990US 4,963,198 ABrent Chemicals International Limited
- Method of bonding a high temperature resistant polymeric material to an aluminum base substrate and article therefrom10 Mar 1987US 4,648,910 AClevite Industries Inc.
- Method of bonding a high temperature resistant polymeric material to an aluminum base substrate6 May 1986US 4,586,977 AImperial Clevite Inc.
- Corrosion barriers for heat exchangers28 Jan 2021US 2021/0025662 A1Hamilton Sundstrand Corporation
- Pigment grade corrosion inhibitor host-guest compositions and procedure23 Oct 2008US 2008/0258114 A1Wayne Pigment Corp.
- Pigment grade corrosion inhibitor host-guest compositions and procedure3 Feb 2005US 2005/0022693 A1Wayne Pigment Corp.
Most cited
By later US patents
- Composition and process for treating metal surfaces13US 4,963,198 ABrent Chemicals International Limited · 1990
- Process for providing aluminum substrates with light-absorptive surface layer7US 4,145,234 AVereinigte Metallwerke Ranshofen-Berndorf Aktiengesellschaft · 1979
- Pigment grade corrosion inhibitor host-guest compositions and procedure6US 7,578,878 B2Wayne Pigment Corp. · 2009
- Method of bonding a high temperature resistant polymeric material to an aluminum base substrate2US 4,586,977 AImperial Clevite Inc. · 1986
- Pigment grade corrosion inhibitor host-guest compositions and procedure2US 7,662,312 B2Wayne Pigment Corp. · 2010