C09B 68/20
Organic pigments surface-modified by grafting: characterised by the process features
Official title: {characterised by the process features}
C09B68/20 (Organic pigments surface-modified by grafting: characterised by the process features) appears on 51 US grants and 55 published applications in this corpus.
Search patents in C09B- Granted patents
- 51
- Published applications
- 55
- Assignees
- 31
- Inventors
- 137
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 4 | 3 |
| 2003 | 3 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 3 |
| 2006 | 1 | 4 |
| 2007 | 1 | 7 |
| 2008 | 2 | 2 |
| 2009 | 2 | 6 |
| 2010 | 2 | 1 |
| 2011 | 2 | 4 |
| 2012 | 5 | 4 |
| 2013 | 3 | 4 |
| 2014 | 4 | 1 |
| 2015 | 2 | 3 |
| 2016 | 3 | 2 |
| 2017 | 3 | 3 |
| 2018 | 1 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High-hydrophobic, low-bleeding color lake powder, method for preparing same and use thereof7 Apr 2026US 12,595,372 B2Shanghai Co-fun Biotech Co., Ltd.
- Organic color center-tailored, semiconducting carbon nanotubes and their method of manufacture1 Jul 2025US 12,344,571 B1University of Maryland, College Park
- Method for producing organic material microparticles, and method for modifying organic material microparticles25 Apr 2023US 11,633,359 B2M. Technique Co., Ltd.
- Sol-gel based matrix1 Feb 2022US 11,236,233 B2Københavns Universitet
- Sol-gel based matrix19 Mar 2019US 10,233,328 B2Kobenhavns Universitet
- Method for producing organic material microparticles, and method for modifying organic material microparticles3 Aug 2023US 2023/0240993 A1M. Technique Co., Ltd.
- High-hydrophobic, low-bleeding color lake powder, method for preparing same and use thereof15 Jun 2023US 2023/0183490 A1Shanghai Co-fun Biotech Co., Ltd.
- A continuous process for the synthesis of azo dyes involving in-situ generation of diazonium salts8 Dec 2022US 2022/0389226 A1
- Sol-Gel Based Matrix4 Jul 2019US 2019/0203049 A1Københavns Universitet
- Method for producing organic material microparticles, and method for modifying organic material microparticles30 Nov 2017US 2017/0340564 A1M. Technique Co., Ltd.
Most cited
By later US patents
- Electrophoretic particles and processes for the production thereof363US 6,822,782 B2E Ink Corporation · 2004
- Ink compositions containing modified pigment particles217US 5,281,261 AXerox Corporation · 1994
- Electrophoretic particles and processes for the production thereof121US 7,411,720 B2E Ink Corporation · 2008
- Ink jet inks, inks, and other compositions containing colored pigments65US 6,494,943 B1Cabot Corporation · 2002
- Modified pigments having improved dispersing properties46US 6,336,965 B12002