C09B 29/0801
Containing acid groups
Official title: {containing acid groups, e.g. COOH, SO3H, PO3H2, OSO3H, OPO3H2; SO2NHSO2R or salts thereof, R being hydrocarbonyls}
C09B29/0801 (Containing acid groups) appears on 63 US grants and 32 published applications in this corpus.
Search patents in C09B- Granted patents
- 63
- Published applications
- 32
- Assignees
- 30
- Inventors
- 107
- Latest grant
- 15 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 12 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 2 | 2 |
| 2015 | 3 | 11 |
| 2016 | 5 | 3 |
| 2017 | 3 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 3 |
| 2021 | 2 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sensor dyes for real-time sensing of metal ions in aqueous environments15 Mar 2022US 11,275,071 B2UWM Research Foundation, Inc.
- Reaction accelerating agent28 Dec 2021US 11,208,675 B2Kikkoman Corporation
- Dye, filler made therefrom, compositions including the filler, and method of determining degree of cure of such compositions6 Apr 2021US 10,968,332 B23M Innovative Properties Company
- Dye, filler made therefrom, compositions including the filler, and method of determining degree of cure of such compositions19 Mar 2019US 10,233,307 B23M Innovative Properties Company
- Laundry care composition comprising carboxylate dye5 Dec 2017US 9,834,682 B2Milliken & Company
- Coloring composition for color filters and method of manufacturing the same, and color filter for image sensors manufactured using the coloring composition for color filters29 Jan 2026US 2026/0028483 A1Samsung Electronics Co., Ltd.
- Ink set, ink cartridge, ink jet printer, and ink jet recording method9 Jul 2020US 2020/0216701 A1FUJIFILM Corporation
- Ink set, ink cartridge, ink jet printer, and ink jet recording method9 Jul 2020US 2020/0216702 A1FUJIFILM Corporation
- Sensor dyes for real-time sensing of metal ions in aqueous environments30 Jan 2020US 2020/0033314 A1AquaMetals, LLC
- Reaction accelerating agent3 Oct 2019US 2019/0300929 A1Kikkoman Corporation
Most cited
By later US patents
- Nitrogen and/or sulfur containing heterocyclic azo dyes with aniline, tetrahydroquinoline and benzomorpholine couplers having sulfate group22US 4,255,326 AEastman Kodak Company · 1981
- Dyestuff formulations21US 4,249,902 ABayer Aktiengesellschaft · 1981
- Azo dyes derived from 5-membered heterocyclic amines and aromatic amine couplers containing sulfo groups, or salts thereof20US 4,282,144 AEastman Kodak Company · 1981
- Azo dyes, process for making the same, ink-jet printing ink, ink-jet recording method18US 6,489,452 B1Fuji Photo Film Co., Ltd. · 2002
- Process for dyeing blended nylon carpet material13US 4,043,749 AAmerican Color & Chemical Corporation · 1977