C09B 29/3673
Barbituric acid and derivatives thereof
Official title: {Barbituric acid and derivatives thereof}
C09B29/3673 (Barbituric acid and derivatives thereof) appears on 15 US grants and 7 published applications in this corpus.
Search patents in C09B- Granted patents
- 15
- Published applications
- 7
- Assignees
- 10
- Inventors
- 43
- Latest grant
- 15 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Sensor dyes for real-time sensing of metal ions in aqueous environments15 Mar 2022US 11,275,071 B2UWM Research Foundation, Inc.
- Radiation-sensitive colored composition, colored cured film, color filter and method of producing the same, solid-state imaging device, liquid crystal display apparatus, and method of producing dye9 Jun 2015US 9,052,458 B2FUJIFILM Corporation
- Mono- and dipotassium salts of azo compounds28 Aug 2001US 6,281,338 B1Bayer Aktiengesellschaft
- Water-insoluble azo colorants based on aminoquinazolinediones5 May 1998US 5,747,566 AHoechst Aktiengesellschaft
- Photographic elements with reduced print-through29 Mar 1994US 5,298,378 AE. I. Du Pont de Nemours and Company
- Coloring composition, film, color filter, display device, and structural body29 Aug 2024US 2024/0287310 A1FUJIFILM Corporation
- Sensor dyes for real-time sensing of metal ions in aqueous environments30 Jan 2020US 2020/0033314 A1AquaMetals, LLC
- Display device17 Jan 2019US 2019/0018273 A1Samsung Display Co., Ltd.
- Radiation-sensitive colored composition, colored cured film, color filter and method of producing the same, solid-state imaging device, liquid crystal display apparatus, and method of producing dye20 Sep 2012US 2012/0235099 A1FUJIFILM Corporation
- Pigment composition containing pyrimidines and derivatives thereof16 Aug 2012US 2012/0208114 A1Kyung-In Synthetic Corporation
Most cited
By later US patents
- Derivatives of azobarbituric acid or salts or complexes thereof27US 4,628,082 ABayer Aktiengesellschaft · 1986
- Inclusion compounds, intercalation compounds, and solid solutions of colored organic metal compounds which contains a nickel salt or nickel complex of an azobarbituric acid or its tautomer20US 4,622,391 ABayer Aktiengesellschaft · 1986
- Green-yellow to orange monoazo paper dyes18US 4,071,312 AE. I. Du Pont de Nemours and Company · 1978
- Compounds useful as pigments containing one or more 2,2,6,6-tetraalkylpiperidine groups11US 4,866,113 ASandoz Ltd. · 1989
- Compounds useful as pigments containing one or more 2,2,6,6-tetraalkylpiperidine groups5US 4,838,943 ASandoz Ltd. · 1989