C09B 1/36
Dyes with acylated amino groups
C09B1/36 (Dyes with acylated amino groups) appears on 60 US grants and 17 published applications in this corpus.
Search patents in C09B- Granted patents
- 60
- Published applications
- 17
- Assignees
- 32
- Inventors
- 136
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 4 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- C09B 1/46The acyl groups being residues of cyanuric acid or an analogous heterocyclic15
- C09B 1/42The acyl groups being residues of an aromatic carboxylic acid13
- C09B 1/40The acyl groups being residues of an aliphatic or araliphatic carboxylic acid6
- C09B 1/38Urea and thiourea derivatives4
- C09B 1/44The acyl groups being residues of a heterocyclic carboxylic acid2
- C09B 1/473The acyl groups being residues of a sulfonic acid2
- C09B 1/363The acyl groups being residues of a dicarboxylic compound forming a bridge0
- C09B 1/366Urethan derivatives0
Recent patents
- One-way circularly polarized light generated by propagation through Ch-GLC films doped with light-absorbing dyes4 Nov 2025US 12,461,297 B2University of Rochester
- Fluorescent dye oil tracer compositions7 Jan 2025US 12,188,350 B2Saudi Arabian Oil Company
- Polymerizable dichroic dyes20 Aug 2019US 10,385,215 B2Rolic AG
- Colored pigment particles for electrophoretic displays19 Dec 2017US 9,846,345 B2Empire Technology Development LLC
- AZO compound and ink containing the compound1 Dec 2015US 9,200,171 B2Mitsubishi Chemical Corporation
- Fluorescent dye oil tracer compositions13 Mar 2025US 2025/0084759 A1Saudi Arabian Oil Company
- Fluorescent dye oil tracer compositions14 Dec 2023US 2023/0399942 A1Saudi Arabian Oil Company
- One-Way Circularly Polarized Light Generated by Propagation through Ch-GLC Films Doped with Light-Absorbing Dyes25 Aug 2022US 2022/0268982 A1University of Rochester
- Manufacture method of polarization and color filter function integration film and liquid crystal display panel1 Jun 2017US 2017/0153496 A1Shenzhen China Star Optoelectronics Technology Co., Ltd.
- Polymerizable dichroic dyes2 Mar 2017US 2017/0058126 A1Rolic AG
Most cited
By later US patents
- Protein staining compositions and methods20US 5,273,906 APromega Corporation · 1993
- Organic dyes containing silane groups and process for preparing same16US 4,609,404 AMontedison S.p.A. · 1986
- Protein staining compositions and methods15US 5,132,439 APromega Corporation · 1992
- Pigment composition13US 4,664,714 AToyo Ink Manufacturing Co., Ltd. · 1987
- Process for the improvement of dyeing properties of pigments of the anilino and arylmercapto anthraquinone series10US 4,128,396 ACiba-Geigy Corporation · 1978