C09B 57/004
Diketopyrrolopyrrole dyes
Official title: {Diketopyrrolopyrrole dyes}
C09B57/004 (Diketopyrrolopyrrole dyes) appears on 150 US grants and 135 published applications in this corpus.
Search patents in C09B- Granted patents
- 150
- Published applications
- 135
- Assignees
- 49
- Inventors
- 315
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 2 |
| 2002 | 7 | 4 |
| 2003 | 5 | 7 |
| 2004 | 3 | 8 |
| 2005 | 1 | 7 |
| 2006 | 9 | 4 |
| 2007 | 3 | 11 |
| 2008 | 3 | 9 |
| 2009 | 4 | 10 |
| 2010 | 8 | 7 |
| 2011 | 7 | 8 |
| 2012 | 7 | 5 |
| 2013 | 5 | 4 |
| 2014 | 5 | 6 |
| 2015 | 5 | 11 |
| 2016 | 7 | 4 |
| 2017 | 7 | 6 |
| 2018 | 2 | 4 |
| 2019 | 6 | 4 |
| 2020 | 3 | 2 |
| 2021 | 2 | 6 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composition, film, near-infrared cut filter, pattern forming method, laminate, solid-state imaging element, infrared sensor, image display device, camera module, and compound27 May 2025US 12,312,473 B2FUJIFILM Corporation
- Diketopyrrolopyrrole pigment compound having high weathering resistance and preparation method therof16 Jan 2024US 11,873,407 B2Cinic Chemicals (Shanghai) Co., Ltd.
- Dyes, dye-sensitized solar cells, and methods of making and using the same28 Mar 2023US 11,613,653 B2The University of Mississippi
- Coloring composition, cured film, pattern forming method, color filter, solid-state imaging element, and image display device19 Jul 2022US 11,390,752 B2FUJIFILM Corporation
- Isodiketopyrrolopyrrole dye and use thereof6 Jul 2021US 11,056,287 B2South China University of Technology
- Coloring composition for color filters and method of manufacturing the same, and color filter for image sensors manufactured using the coloring composition for color filters29 Jan 2026US 2026/0028483 A1Samsung Electronics Co., Ltd.
- Non-aqueous ink composition, ink set, recording method using same, method for producing recorded matter, recorded matter, and inkjet recording apparatus6 Feb 2025US 2025/0043140 A1Dnp Fine Chemicals Co., Ltd.
- A seed surface composition comprising a dpp pigment and a seed treated with said composition4 Jan 2024US 2024/0000082 A1Sun Chemical Corporation
- Photosensitive coloring composition, cured substance, color filter, solid-state imaging element, image display device, and asymmetric diketopyrrolopyrrole compound19 Jan 2023US 2023/0015767 A1FUJIFILM Corporation
- Composition, film, near-infrared cut filter, pattern forming method, laminate, solid-state imaging element, infrared sensor, image display device, camera module, and compound11 Aug 2022US 2022/0251391 A1FUJIFILM Corporation
Most cited
By later US patents
- Preparation of pyrrolo[3,4-c]pyrroles90US 4,579,949 ACiba-Geigy Corporation · 1986
- N-substituted 1,4-diketopyrrolo-[3,4-c]-pyrroles68US 4,585,878 ACiba-Geigy Corporation · 1986
- Process for dyeing high-molecular organic material, and novel polycyclic pigments65US 4,415,685 ACiba-Geigy Corporation · 1983
- 1,4-diketopyrrolo[3,4-c]pyrrole pigments52US 4,791,204 ACiba-Geigy Corporation · 1988
- Fluorinated dyes or colorants and their uses36US 7,390,901 B2SiPix Imaging, Inc. · 2008