C09B 57/12
Perinones, i.e. naphthoylene-aryl-imidazoles
C09B57/12 (Perinones, i.e. naphthoylene-aryl-imidazoles) appears on 63 US grants and 21 published applications in this corpus.
Search patents in C09B- Granted patents
- 63
- Published applications
- 21
- Assignees
- 32
- Inventors
- 149
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 2 |
| 2002 | 2 | 1 |
| 2003 | 1 | 3 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 2 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 2 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Simultaneously dyeing and flame-retardant finishing method for polyester based textile6 Oct 2026US 12,753,549 B2Daikyo Chemical Co., Ltd.
- Pigment composition, method for producing thereof, and aqueous ink composition8 Nov 2022US 11,492,492 B2FUJIFILM Corporation
- Polyamide molding compositions with improved optical properties and use of colorants therein26 Oct 2021US 11,155,692 B2BASF SE
- Perylene bisimides with rigid 2,2′-biphenoxy bridges1 Jun 2021US 11,021,610 B2BASF SE
- 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.
- Display device including a touch insulation layer and a reflection adjustment layer, electronic device, and method for manufacturing a display device29 Jan 2026US 2026/0033220 A1Samsung Display Co., Ltd.
- Sulfonyl-bridged perinones2 Oct 2025US 2025/0304795 A1LANXESS Deutschland GmbH
- Non-aqueous ink composition, ink set, recording method using same, method for producing recorded matter, recorded matter, and inkjet recording apparatus30 Jan 2025US 2025/0034416 A1Dnp Fine Chemicals Co., Ltd.
- Colorant, master batch containing same, colored resin composition, and molded article18 May 2023US 2023/0151219 A1Orient Chemical Industries, Ltd.
- Simultaneously dyeing and flame-retardant finishing method for polyester based textile30 Mar 2023US 2023/0101712 A1Daikyo Chemical Co., Ltd.
Most cited
By later US patents
- Pigment compositions41US 4,310,359 AToyo Ink Manufacturing Co., Ltd. · 1982
- Dyestuffs for bulk dyeing plastics23US 5,621,027 ABayer Aktiengesellschaft · 1997
- Liquid crystal composition22US 4,588,517 AHitachi, Ltd. · 1986
- Dyes containing imidazolymethylene groups19US 4,451,398 ABASF SE · 1984
- Fluorescent chromophore, covalently linked to an organic support material19US 6,103,446 ACiba Specialty Chemicals Corporation · 2000