B41M 5/39
Dyes containing one or more carbon-to-nitrogen double bonds
Official title: Dyes containing one or more carbon-to-nitrogen double bonds, e.g. azomethine
B41M5/39 (Dyes containing one or more carbon-to-nitrogen double bonds) appears on 260 US grants and 48 published applications in this corpus.
Search patents in B41M- Granted patents
- 260
- Published applications
- 48
- Assignees
- 37
- Inventors
- 266
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 16 | 0 |
| 1992 | 27 | 0 |
| 1993 | 22 | 0 |
| 1994 | 27 | 0 |
| 1995 | 15 | 0 |
| 1996 | 29 | 0 |
| 1997 | 16 | 0 |
| 1998 | 17 | 0 |
| 1999 | 13 | 0 |
| 2000 | 10 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 3 |
| 2007 | 3 | 5 |
| 2008 | 1 | 4 |
| 2009 | 3 | 6 |
| 2010 | 2 | 2 |
| 2011 | 4 | 1 |
| 2012 | 3 | 1 |
| 2013 | 3 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 2 |
| 2017 | 4 | 2 |
| 2018 | 1 | 4 |
| 2019 | 2 | 4 |
| 2020 | 2 | 5 |
| 2021 | 4 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Yellow and magenta donor formulations for increased red vividness20 Jan 2026US 12,528,946 B2Kodak Alaris Inc.
- Compound, ink, resist composition for color filter, color filter, sheet for thermal transfer recording, and toner24 Sep 2024US 12,098,288 B2Canon Kabushiki Kaisha
- Compound, ink, resist composition for color filter, sheet for heat-sensitive transfer recording, and toner18 Oct 2022US 11,472,962 B2Canon Kabushiki Kaisha
- Thermal transfer recording sheet24 Aug 2021US 11,097,566 B2Canon Kabushiki Kaisha
- Compound, liquid composition, thermal transfer recording sheet, toner, resist composition for color filter, and color filter1 Jun 2021US 11,021,436 B2Canon Kabushiki Kaisha
- Yellow and magenta donor formulations for increased red vividness16 Apr 2026US 2026/0103599 A1Kodak Alaris Inc.
- Yellow and magenta donor formulations for increased red vividness17 Oct 2024US 2024/0343908 A1Kodak Alaris Inc.
- Thermal transfer recording sheet25 Jan 2024US 2024/0025197 A1Canon Kabushiki Kaisha
- Compound, ink, resist composition for color filter, color filter, sheet for thermal transfer recording, and toner22 Apr 2021US 2021/0115259 A1Canon Kabushiki Kaisha
- Compound, liquid composition, thermal transfer recording sheet, toner, resist composition for color filter, and color filter5 Nov 2020US 2020/0347007 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Newborn's growth adjustable absorbent diaper having variable overlapping and non-overlapping ears69US 5,489,282 AKimberly-Clark Corporation · 1996
- Transfer recording method using reactive sublimable dyes58US 4,614,521 AMitsubishi Chemical Industries Limited · 1986
- Thermal transfer recording material and thermal transfer recording method55US 7,425,523 B2Dai Nippon Printing Co.Ltd. · 2008
- Mixture of dyes for cyan dye donor for thermal color proofing47US 5,024,990 AEastman Kodak Company · 1991
- Cyan dye-donor element used in thermal dye transfer42US 4,695,287 AEastman Kodak Company · 1987