C09B 1/201
Dyes with no other substituents than the amino groups
Official title: {Dyes with no other substituents than the amino groups}
C09B1/201 (Dyes with no other substituents than the amino groups) appears on 14 US grants and 9 published applications in this corpus.
Search patents in C09B- Granted patents
- 14
- Published applications
- 9
- Assignees
- 14
- Inventors
- 34
- Latest grant
- 16 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 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 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Coloring compound and thermal transfer recording sheet16 Apr 2024US 11,958,978 B2Canon Kabuskiki Kaisha
- Process for printing cellulose containing textile fibre material18 May 2021US 11,008,700 B2Huntsman International LLC
- Black isoindolinone pigment and coloring agent28 Jul 2020US 10,723,882 B2Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Coloring compound and thermal transfer recording sheet10 Dec 2019US 10,501,631 B2Canon Kabushiki Kaisha
- AZO compound and ink containing the compound1 Dec 2015US 9,200,171 B2Mitsubishi Chemical Corporation
- Coloring compound and thermal transfer recording sheet10 Sep 2020US 2020/0283633 A1Canon Kabushiki Kaisha
- Process for Printing Cellulose Containing Textile Fibre Material2 Apr 2020US 2020/0102699 A1Huntsman Advanced Materials (Switzerland) GmbH
- Black isoindolinone pigment and coloring agent7 Nov 2019US 2019/0338130 A1Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Coloring compound and thermal transfer recording sheet23 Aug 2018US 2018/0237640 A1Canon Kabushiki Kaisha
- Azo compound and ink containing the compound20 Mar 2014US 2014/0078577 A1Mitsubishi Chemical Corporation
Most cited
By later US patents
- Method for preparing 1,4-diaminoanthraquinones and intermediates thereof9US 4,746,461 AThe Clorox Company · 1988
- Method for preparing 1,4-diaminoanthraquinones and intermediates thereof6US 4,661,293 AThe Clorox Company · 1987
- Polymeric substrate coated with an electroconductive layer6US 4,957,816 AImperial Chemical Industries PLC · 1990
- Optical film, optical filter and display device including the same5US 7,655,306 B2Cheil Industries Inc. · 2010
- Electroconductive coating composition4US 4,879,064 AImperial Chemical Industries PLC · 1989