C09B 69/065
Of cationic azo dyes
Official title: {of cationic azo dyes}
C09B69/065 (Of cationic azo dyes) appears on 12 US grants and 6 published applications in this corpus.
Search patents in C09B- Granted patents
- 12
- Published applications
- 6
- Assignees
- 13
- Inventors
- 36
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Color matched and bright fluorescent materials composed of small-molecule ionic lattices16 Sep 2025US 12,415,927 B2Indiana University Research and Technology Corporation
- Cationic direct dyes3 Dec 2019US 10,494,527 B2BASF SE
- Photopolymer formulations for producing holographic media having highly crosslinked matrix polymers12 Sep 2017US 9,760,060 B2Covestro Deutschland AG
- Photopolymer formulation for producing holographic media having highly crosslinked matrix polymers29 Sep 2015US 9,146,456 B2Bayer Intellectual Property GmbH
- Cationic dyes23 Jan 2007US 7,166,711 B2Ciba Specialty Chemicals Corporation
- Near-Infrared Dyes And Conjugates For Targeting Tumors29 May 2025US 2025/0170278 A1Lahjavida, LLC
- Color matched and bright fluorescent materials composed of small-molecule ionic lattices31 Dec 2020US 2020/0407628 A1Indiana University Research and Technology Corporation
- Cationic Direct Dyes30 Aug 2018US 2018/0244924 A1BASF SE
- Photopolymer formulations for producing holographic media having highly crosslinked matrix polymers25 Feb 2016US 2016/0054704 A1Bayer Intellectual Property GmbH
- Photopolymer formulation for producing holographic media having highly crosslinked matrix polymers29 Aug 2013US 2013/0224634 A1Bayer Intellectual Property GmbH
Most cited
By later US patents
- Photopolymer formulation for producing holographic media having highly crosslinked matrix polymers17US 9,146,456 B2Bayer Intellectual Property GmbH · 2015
- Process for spin dyeing polymers or copolymers of acrylonitrile with quaternized heterocyclic diazo dye and tetrafluoro-borate anion14US 4,382,801 ACiba-Geigy Corporation · 1983
- Process for the preparation of chlorozincate salts of benzo thiazolium azo dyestuffs by alkylating with dialkylsulfate in aqueous medium in the presence of Zn-containing acid acceptor at pH.ltoreq.77US 4,638,053 AHoechstaktiengesellschaft · 1987
- Alkylation of benzthiazole-azo-phenylamine dyestuffs3US 4,292,238 ABayer Aktiengesellschaft · 1981
- Process for the preparation of highly concentrated solutions of cationic azo dyes3US 5,284,939 ACiba-Geigy Corporation · 1994