C09B 31/062
Phenols
C09B31/062 (Phenols) appears on 48 US grants and 12 published applications in this corpus.
Search patents in C09B- Granted patents
- 48
- Published applications
- 12
- Assignees
- 27
- Inventors
- 104
- Latest grant
- 30 Mar 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dichroic dye compound, polarizing film, and uses thereof30 Mar 2021US 10,961,456 B2Sumitomo Chemical Company, Limited
- Coloring composition, light absorption anisotropic film, laminate, and image display device18 Aug 2020US 10,745,507 B2FUJIFILM Corporation
- Composition for forming dye type polarizer and dye type polarizer7 Jan 2020US 10,527,758 B2LG Chem.Ltd.
- Dichroic dye for polarization film, composition comprising the same for polarization film, method for forming polarization plate and polarization plate prepared thereby12 Jun 2012US 8,197,708 B2LG Chem.Ltd.
- Reversibly thermochromic compositions21 Feb 2012US 8,119,778 B2BASF SE
- Alternative solvent systems and dye formulations10 Sep 2026US 2026/0265527 A1
- Dyeing composition, dyed product, and azo coloring agent12 Nov 2020US 2020/0354576 A1FUJIFILM Corporation
- Composition, dichroic substance, light absorption anisotropic film, laminate, and image display device19 Dec 2019US 2019/0382586 A1FUJIFILM Corporation
- Coloring composition, dichroic dye compound, light absorption anisotropic film, laminate, and image display device7 Mar 2019US 2019/0071571 A1FUJIFILM Corporation
- Coloring composition, light absorption anisotropic film, laminate, and image display device6 Dec 2018US 2018/0346633 A1FUJIFILM Corporation
Most cited
By later US patents
- Liquid crystal coupled dichroic dyes24US 5,389,285 AHercules Incorporated · 1995
- Aromatic disazo dyes and liquid-crystalline materials containing these dyes23US 4,667,020 ABASF SE · 1987
- Liquid crystal mixtures16US 4,395,350 AHoffmann-La Roche Inc. · 1983
- Yellow disazo acid dye solution15US 3,963,418 AE. I. Du Pont de Nemours and Company · 1976
- Alkanol substituted disazo orange dye for nylon15US 4,749,784 ACrompton & Knowles Corporation · 1988