C09B 1/325
Dyes with no other substituents than the amino groups
Official title: {Dyes with no other substituents than the amino groups}
C09B1/325 (Dyes with no other substituents than the amino groups) appears on 31 US grants and 27 published applications in this corpus.
Search patents in C09B- Granted patents
- 31
- Published applications
- 27
- Assignees
- 30
- Inventors
- 94
- Latest grant
- 10 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 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 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 3 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 4 |
| 2012 | 2 | 1 |
| 2013 | 2 | 0 |
| 2014 | 2 | 4 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Contact lens10 Dec 2024US 12,164,182 B2CooperVision International Limited
- Process for printing cellulose containing textile fibre material18 May 2021US 11,008,700 B2Huntsman International LLC
- Colored resin composition exhibiting pleochroism, and molded plastics manufactured using same12 Nov 2019US 10,472,495 B2Lotte Advanced Materials Co., Ltd.
- Colored resin composition exhibiting pleochroism, and molded plastics manufactured using same16 Jan 2018US 9,868,849 B2Lotte Advanced Materials Co., Ltd.
- Thermal transfer recording sheet14 Mar 2017US 9,592,695 B2Canon Kabushiki Kaisha
- Disperse dyes for dyeing polyester fibres8 Oct 2026US 2026/0308841 A1University of Leeds
- Contact lens10 Mar 2022US 2022/0075210 A1CooperVision International Limited
- Process for Printing Cellulose Containing Textile Fibre Material2 Apr 2020US 2020/0102699 A1Huntsman Advanced Materials (Switzerland) GmbH
- Colored Resin Composition Exhibiting Pleochroism, and Molded Plastics Manufactured Using Same10 May 2018US 2018/0127566 A1Lotte Advanced Materials Co., Ltd.
- Anthraquinone compound used for color filter of lcd18 May 2017US 2017/0137625 A1
Most cited
By later US patents
- Ester capped alkyleneoxy fugitive tints and method for producing same43US 4,167,510 AMilliken Research Corporation · 1979
- Color filter and liquid crystal display device having the same35US 6,509,125 B1Toppan Printing Co., Ltd. · 2003
- Methods of detecting fluorescence with anthraquinone quencher dyes15US 7,803,536 B2Integrated Dna Technologies, Inc. · 2010
- Light decolorizable recording material, ink and toner13US 5,846,682 AShowa Denko K. K. · 1998
- Dye diffusion transfer type heat developable color light-sensitive material5US 5,270,155 AFuji Photo Film Co., Ltd. · 1993