C09B 45/28
Containing copper
Official title: containing copper
C09B45/28 (Containing copper) appears on 47 US grants and 30 published applications in this corpus.
Search patents in C09B- Granted patents
- 47
- Published applications
- 30
- Assignees
- 19
- Inventors
- 71
- Latest grant
- 27 Aug 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 3 | 4 |
| 2005 | 1 | 5 |
| 2006 | 4 | 2 |
| 2007 | 5 | 3 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 5 |
| 2015 | 1 | 0 |
| 2016 | 0 | 3 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 4 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Detailing agent for three-dimensional (3D) printing27 Aug 2019US 10,392,512 B2Hewlett-Packard Development Company, L. P.
- Achromatic dye-based polarization element, and polarization plate26 Feb 2019US 10,215,902 B2Nippon Kayaku Kabushiki Kaisha
- Achromatic dye-based highly-transmissive polarization element, and polarization plate19 Feb 2019US 10,209,417 B2Nippon Kayaku Kabushiki Kaisha
- Achromatic polarization element, and polarization plate19 Feb 2019US 10,209,418 B2Nippon Kayaku Kabushiki Kaisha
- Achromatic polarizing plate with high-transmissivity and high-degree of polarization13 Nov 2018US 10,126,468 B2Nippon Kayaku Kabushiki Kaisha
- Detailing agent for three-dimensional (3d) printing25 Jan 2018US 2018/0022923 A1Hewlett-Packard Development Company, L. P.
- Achromatic Polarizing Plate With High-Transmissivity And High-Degree Of Polarization1 Jun 2017US 2017/0153361 A1Nippon Kayaku Kabushiki Kaisha
- Achromatic Dye-Based Polarization Element, And Polarization Plate18 Feb 2016US 2016/0047959 A1Nippon Kayaku Kabushiki Kaisha
- Achromatic Dye-Based Highly-Transmissive Polarization Element, And Polarization Plate11 Feb 2016US 2016/0041321 A1Nippon Kayaku Kabushiki Kaisha
- Achromatic Polarization Element, And Polarization Plate11 Feb 2016US 2016/0041322 A1Nippon Kayaku Kabushiki Kaisha
Most cited
By later US patents
- Water-soluble azo dyes and polarizing films using the dyes24US 5,318,856 AMitsui Toatsu Chemicals, Inc. · 1994
- Dye type polarizing plate16US 6,790,490 B1Nippon Kayaku Kabushiki Kaisha · 2004
- Azo compound and a polarizing film containing the same14US 5,700,296 ASumitomo Chemical Company, Limited · 1997
- Sulfonyloxy substituted tris-azoaryl dyes and copper complex salts thereof and polarizing films dyed therewith13US 5,446,135 AMitsui Toatsu Chemicals, Inc. · 1995
- Azo compound and salt thereof12US 7,304,147 B2Nippon Kayaku Kabushiki Kaisha · 2007