C09B 23/143
The ethylene chain carrying a cooh or a functionally modified derivative
Official title: {the ethylene chain carrying a COOH or a functionally modified derivative, e.g.-CN, -COR, -COOR, -CON=, C6H5-CH=C-CN}
C09B23/143 (The ethylene chain carrying a cooh or a functionally modified derivative) appears on 85 US grants and 24 published applications in this corpus.
Search patents in C09B- Granted patents
- 85
- Published applications
- 24
- Assignees
- 35
- Inventors
- 152
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 8 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 3 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 3 |
| 2019 | 1 | 0 |
| 2020 | 3 | 3 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluorescent dye, preparation method and uses thereof12 May 2026US 12,625,141 B2Fluorescence Diagnosis (Shanghai) Biotech Company
- Chromophoric compounds and UV-absorbing compositions30 Dec 2025US 12,509,418 B2Lygg Corporation
- Adhesive composition including at least two types of dyes, adhesive sheet, and display device including same13 Feb 2024US 11,898,064 B2Lms Co., Ltd.
- Dyes, dye-sensitized solar cells, and methods of making and using the same23 Aug 2022US 11,421,110 B2The University of Mississippi
- Yellow toner21 Sep 2021US 11,126,101 B2Zeon Corporation
- Yellow methine dyes and their use for dyeing plastics9 Jul 2026US 2026/0193468 A1LANXESS Deutschland GmbH
- Phosphor for detecting fire blight pathogen and use thereof30 Apr 2026US 2026/0116865 A1University-Industry Cooperation Group of Kyung Hee University
- Chromophoric compounds and uv-absorbing compositions28 Aug 2025US 2025/0270164 A1Lygg Corporation
- Dyes, dye-sensitized solar cells, and methods of making and using the same1 Dec 2022US 2022/0380601 A1The University of Mississippi
- Fluorescent dye, preparation method and uses thereof7 Jul 2022US 2022/0214351 A1Fluorescence Diagnosis (Shanghai) Biotech Company
Most cited
By later US patents
- Condensation polymer containing the residue of an acyloxystyrl compound and shaped articles produced therefrom82US 4,826,903 AEastman Kodak Company · 1989
- Solid particle dispersion filter dyes for photographic compositions59US 4,940,654 AEastman Kodak Company · 1990
- Photographic materials containing yellow filter dyes24US 4,420,555 AEastman Kodak Company · 1983
- Method of preparing styryl-like compounds22US 4,147,862 AMatsushita Electric Industrial Co., Ltd. · 1979
- Indolins styryl-like compounds20US 4,314,058 AMatsushita Electric Industrial Co., Ltd. · 1982