C09B 59/00
Artificial dyes of unknown constitution
C09B59/00 (Artificial dyes of unknown constitution) appears on 13 US grants and 12 published applications in this corpus.
Search patents in C09B- Granted patents
- 13
- Published applications
- 12
- Assignees
- 19
- Inventors
- 42
- Latest grant
- 12 May 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Photonic crystal ink composition comprising light-absorbing nanoparticles and photonic crystal structure formed using the same12 May 2020US 10,647,862 B2Hyundai Motor Company
- White fluorescent blended dye for leak detection21 Apr 2015US 9,011,716 B1Spectronics Corporation
- Modification of the color hue of anthocyanins for the obtention of coloring substances23 Apr 2013US 8,425,960 B2Diana Naturals
- Light filters using yellow melanin and melanin-like oligomers and photochromic dyes13 Mar 2012US 8,133,414 B2Photoprotective Technologies Incorporated
- Black color material and toner31 May 2011US 7,951,960 B2Fuji Xerox Co., Ltd.
- Near-infrared-transmitting black particles, ink, and molded body20 Aug 2026US 2026/0242623 A1Sekisui Chemical Co., Ltd.
- Ultraviolet and Visible Light Responsive Coatings Using Redox-Active Colorants and Semiconductors15 Jan 2026US 2026/0015515 A1Northeastern University
- Photonic crystal ink composition comprising light-absorbing nanoparticles and photonic crystal structure formed using the same16 Jan 2020US 2020/0017696 A1Hyundai Motor Company
- White fluorescent blended dye for leak detection9 Jul 2015US 2015/0191649 A1Spectronics Corporation
- Light filters using yellow melanin and melanin-like oligomers and photochromic dyes20 May 2010US 2010/0123105 A1Photoprotective Technologies Incorporated
Most cited
By later US patents
- Light filters using yellow melanin and melanin-like oligomers and photochromic dyes13US 8,133,414 B2Photoprotective Technologies Incorporated · 2012
- Black perylene-based pigment and process for producing the same10US 7,083,675 B2BASF SE · 2006
- Black perylene pigment and process for producing the same10US 7,105,046 B2BASF SE · 2006
- White fluorescent blended dye for leak detection5US 9,011,716 B1Spectronics Corporation · 2015
- Process of semicontinuously producing aniline condensed dyes3US 4,056,530 AOrient Chemical Industries, Ltd. · 1977