C09B 68/443
Carboxylic acid derivatives
Official title: {Carboxylic acid derivatives, e.g. carboxylic acid amides, carboxylic acid esters or CN groups}
C09B68/443 (Carboxylic acid derivatives) appears on 60 US grants and 37 published applications in this corpus.
Search patents in C09B- Granted patents
- 60
- Published applications
- 37
- Assignees
- 32
- Inventors
- 97
- Latest grant
- 2 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 5 |
| 2002 | 4 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 6 |
| 2009 | 1 | 4 |
| 2010 | 4 | 0 |
| 2011 | 2 | 4 |
| 2012 | 5 | 6 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 2 | 1 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pigment dispersant2 Jan 2024US 11,859,106 B2BASF Coatings GmbH
- Manufacturing process for dark-color polymer composite films26 Sep 2023US 11,767,412 B2Global Graphene Group, Inc.
- Coloring composition, cured film, pattern forming method, color filter, solid-state imaging element, and image display device19 Jul 2022US 11,390,752 B2FUJIFILM Corporation
- Manufacturing process for dark-color polymer composite films30 Nov 2021US 11,186,704 B2Global Graphene Group, Inc.
- Synthesis method for self-dispersible pigment, self-dispersible pigment, ink jet ink, ink cartridge, and ink jet recording method16 Feb 2016US 9,260,611 B2Canon Kabushiki Kaisha
- Manufacturing process for dark-color polymer composite films3 Mar 2022US 2022/0064406 A1Global Graphene Group, Inc.
- Pigment dispersant21 Oct 2021US 2021/0324210 A1BASF Coatings GmbH
- Coloring composition, cured film, pattern forming method, color filter, solid-state imaging element, and image display device30 Jul 2020US 2020/0239694 A1FUJIFILM Corporation
- Manufacturing process for dark-color polymer composite films2 Jan 2020US 2020/0002506 A1Nanotek Instruments, Inc.
- Surface Modification of Pigments and Compositions Comprising the Same19 Mar 2015US 2015/0079514 A1Cabot Corporation
Most cited
By later US patents
- Stable electrophoretic particles for displays173US 5,914,806 AInternational Business Machines Corporation · 1999
- Fluorescent carbamate-modified phthalocyanine pigments46US 5,811,543 ACiba Speciality Chemicals Corporation · 1998
- Modified pigments having improved dispersing properties46US 6,336,965 B12002
- Modified pigments having improved dispersing properties45US 6,478,863 B2Cabot Corporation · 2002
- Compositions for making structured color images and application thereof40US 5,879,855 ACiba Specialty Chemicals Corporation · 1999