C09B 29/106
Hydroxy carboxylic acids of the naphthalene series
Official title: {Hydroxy carboxylic acids of the naphthalene series}
C09B29/106 (Hydroxy carboxylic acids of the naphthalene series) appears on 21 US grants and 10 published applications in this corpus.
Search patents in C09B- Granted patents
- 21
- Published applications
- 10
- Assignees
- 15
- Inventors
- 38
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 3 |
| 2011 | 3 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Azo pigment, ink, paint, colorant for plastics, colored molded article, colorant for stationery and writing materials, printing agent, toner, dispersion and resist for color filters, and cosmetic material21 Apr 2026US 12,606,717 B2DIC Corporation
- Method and apparatus for identifying geographic locations12 Jun 2018US 9,995,586 B2Stichting Mapcode Foundation
- Method and apparatus for identifying geographic locations28 Jun 2016US 9,377,311 B2Stichting Mapcode Foundation
- Sterically bulky stabilizers23 Apr 2013US 8,426,636 B2National Research Council of Canada
- Pigment composition, inkjet recording ink, coloring composition for color filter, and color filter19 Jun 2012US 8,202,327 B2FUJIFILM Corporation
- Azo pigment, ink, paint, colorant for plastics, colored molded article, colorant for stationery and writing materials, printing agent, toner, dispersion and resist for color filters, and cosmetic material14 Mar 2024US 2024/0084155 A1DIC Corporation
- Method and apparatus for identifying geographic locations15 Dec 2016US 2016/0363453 A1Stichting Mapcode Foundation
- Method and apparatus for identifying geographic locations8 Jan 2015US 2015/0012214 A1TomTom International B.V.
- Pigment composition, inkjet recording ink, coloring composition for color filter, and color filter5 Jan 2012US 2012/0001133 A1FUJIFILM Corporation
- Sterically bulky stabilizers17 Nov 2011US 2011/0277668 A1National Research Council of Canada
Most cited
By later US patents
- Method and apparatus for identifying geographic locations48US 9,995,586 B2Stichting Mapcode Foundation · 2018
- Azo compounds and process for producing the same14US 5,973,126 AKabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo · 1999
- Methods of making nanosized particles of benzimidazolone pigments11US 7,883,574 B2Xerox Corporation · 2011
- Nanosized particles of benzimidazolone pigments10US 7,905,954 B2National Research Council of Canada · 2011
- Process for preparing metalized azo pigments6US 4,143,036 AE. I. Du Pont de Nemours and Company · 1979