C09B 69/007
Dyestuffs containing phosphonic or phosphinic acid groups and derivatives
Official title: {Dyestuffs containing phosphonic or phosphinic acid groups and derivatives}
C09B69/007 (Dyestuffs containing phosphonic or phosphinic acid groups and derivatives) appears on 32 US grants and 6 published applications in this corpus.
Search patents in C09B- Granted patents
- 32
- Published applications
- 6
- Assignees
- 20
- Inventors
- 56
- Latest grant
- 10 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical filter and imaging apparatus10 Jan 2023US 11,550,086 B2Nippon Sheet Glass Co., Ltd.
- Compositions and methods and uses relating thereto5 Apr 2022US 11,292,914 B2Keeling & Walker Limited
- Fluorescent dyes, labeled conjugates and analytical methods21 Jun 2016US 9,372,194 B2
- Salt-forming type dye, and its concentrated solution composition and ink composition1 Mar 1994US 5,290,347 AOrient Chemical Industries, Ltd.
- Dyes for use in thermal dye transfer21 Sep 1993US 5,246,908 AAgfa-Gevaert
- Optical filter and imaging apparatus10 Dec 2020US 2020/0386928 A1Nippon Sheet Glass Co., Ltd.
- Compositions and Methods and Uses Relating Thereto26 Mar 2020US 2020/0095426 A1Keeling & Walker Limited
- Novel Fluorescent Dyes, Labeled Conjugates and Analytical Methods6 Oct 2016US 2016/0291029 A1
- Novel fluorescent dyes, labeled conjugates and analytical methods25 Jun 2015US 2015/0177255 A1Scintillon Research LLC
- Fluorescent compounds for the diagnosis of infections, production method, and applications thereof14 Apr 2011US 2011/0086369 A1
Most cited
By later US patents
- Ester capped alkyleneoxy fugitive tints and method for producing same43US 4,167,510 AMilliken Research Corporation · 1979
- Dyeing compositions for keratinous fibres based on indole derivatives, and new compounds25US 4,822,375 AL'oreal · 1989
- Transition metal complex formazan dyestuffs containing at least one phosphonic acid group20US 4,079,049 AImperial Chemical Industries PLC · 1978
- Triphendioxazine triazinyl dyes having phosphonic acid groups20US 4,092,478 AImperial Chemical Industries PLC · 1978
- Esters of cellulose with phosphonic acid dyes having a sulfonamide bridge11US 4,150,021 ABurlington Industries, Inc. · 1979