C09B 1/26
Dyes with amino groups substituted by hydrocarbon radicals
C09B1/26 (Dyes with amino groups substituted by hydrocarbon radicals) appears on 215 US grants and 79 published applications in this corpus.
Search patents in C09B- Granted patents
- 215
- Published applications
- 79
- Assignees
- 104
- Inventors
- 485
- Latest grant
- 11 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 13 | 0 |
| 1978 | 22 | 0 |
| 1979 | 11 | 0 |
| 1980 | 9 | 0 |
| 1981 | 10 | 0 |
| 1982 | 5 | 0 |
| 1983 | 9 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 8 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 2 |
| 2002 | 3 | 2 |
| 2003 | 4 | 3 |
| 2004 | 3 | 7 |
| 2005 | 3 | 3 |
| 2006 | 0 | 3 |
| 2007 | 3 | 3 |
| 2008 | 4 | 3 |
| 2009 | 3 | 2 |
| 2010 | 2 | 1 |
| 2011 | 1 | 6 |
| 2012 | 3 | 1 |
| 2013 | 3 | 3 |
| 2014 | 4 | 7 |
| 2015 | 4 | 9 |
| 2016 | 3 | 3 |
| 2017 | 1 | 3 |
| 2018 | 4 | 3 |
| 2019 | 4 | 5 |
| 2020 | 1 | 3 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Colorant solvent system, methods of use, and articles11 Mar 2025US 12,247,127 B2NIKE, Inc.
- Contact lens10 Dec 2024US 12,164,182 B2CooperVision International Limited
- Colorant solvent system, methods of use, and articles6 Feb 2024US 11,891,521 B2NIKE, Inc.
- LED lighting elements comprising molded parts made of translucent polycarbonate compositions having a deep gloss effect7 Mar 2023US 11,598,495 B2Covestro Deutschland AG
- Acetalanthraquinone derivatives useful for cellular staining20 Sep 2022US 11,447,638 B2Biostatus Limited
- Disperse dyes for dyeing polyester fibres8 Oct 2026US 2026/0308841 A1University of Leeds
- Multimeric dye materials and devices using them5 Dec 2024US 2024/0400834 A1
- Colorant solvent system, methods of use, and articles29 Feb 2024US 2024/0067826 A1NIKE, Inc.
- Aromatic hydrocarbon-soluble anthraquinone10 Aug 2023US 2023/0250292 A1Dow Global Technologies LLC
- Contact lens10 Mar 2022US 2022/0075210 A1CooperVision International Limited
Most cited
By later US patents
- Polymerizable dye55US 5,055,602 ABausch & Lomb Incorporated · 1991
- Polyesters colored with the residue of heat stable anthraquinone compounds50US 4,999,418 AEastman Kodak Company · 1991
- Electro-optical display element45US 3,960,751 AMatsushita Electric Industrial Co., Ltd. · 1976
- Polymerizable dye45US 4,997,897 ABausch & Lomb Incorporated · 1991
- Ester capped alkyleneoxy fugitive tints and method for producing same43US 4,167,510 AMilliken Research Corporation · 1979