C09C 1/346
Chromium oxides
Official title: {Chromium oxides}
C09C1/346 (Chromium oxides) appears on 42 US grants and 54 published applications in this corpus.
Search patents in C09C- Granted patents
- 42
- Published applications
- 54
- Assignees
- 44
- Inventors
- 160
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 0 | 4 |
| 2012 | 4 | 3 |
| 2013 | 2 | 4 |
| 2014 | 1 | 8 |
| 2015 | 2 | 2 |
| 2016 | 3 | 2 |
| 2017 | 5 | 4 |
| 2018 | 0 | 0 |
| 2019 | 1 | 3 |
| 2020 | 0 | 2 |
| 2021 | 3 | 3 |
| 2022 | 2 | 1 |
| 2023 | 1 | 3 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Colored composite material21 Jan 2025US 12,202,773 B2HUBLOT SA, Geneve
- Cu—Cr—Zn—O based pigment14 May 2024US 11,981,582 B2Tomatec Co., Ltd.
- Inorganic particulate material suitable for use in polymeric films2 May 2023US 11,639,441 B2ImerTech SAS
- Porous metal oxide microspheres with varying pore sizes18 Oct 2022US 11,471,849 B2BASF SE
- Ceramic colours1 Mar 2022US 11,261,333 B2Merck Patent GmbH
- Powders having improved dispersability and use thereof in compositions and articles of manufacture11 Sep 2025US 2025/0281372 A1Color Techniques, Inc.
- Colored Composite Material3 Apr 2025US 2025/0109070 A1HUBLOT SA, Geneve
- Method of preparing coated pigment and water-based ink composition containing coated pigment prepared thereby4 Jul 2024US 2024/0218186 A1Dong-A Pencil Co., Ltd.
- Cu-cr-zn-o based pigment21 Dec 2023US 2023/0406721 A1Tomatec Co., Ltd.
- Coated calcium carbonate for pitch and/or stickies control12 Oct 2023US 2023/0323601 A1ImerTech SAS
Most cited
By later US patents
- Process for producing briquetted and pressed granular material and use thereof12US 5,797,988 ABayer Aktiengesellschaft · 1998
- Treated water-insoluble solid particles, preparation and use12US 6,548,170 B2Coletica · 2003
- Blue shade Fe-Cr black9US 6,235,106 B1Engelhard Corporation · 2001
- Production of low-sulfur chromium (III) oxide pigment7US 4,052,225 ABayer Aktiengesellschaft · 1977
- Process for producing briquetted and pressed granular material and use thereof7US 6,079,644 ABayer Aktiengesellschaft · 2000