C09B 68/00
Organic pigments surface-modified by grafting
Official title: {Organic pigments surface-modified by grafting, e.g. by establishing covalent or complex bonds, in order to improve the pigment properties, e.g. dispersibility or rheology}
C09B68/00 (Organic pigments surface-modified by grafting) appears on 212 US grants and 217 published applications in this corpus.
Search patents in C09B- Granted patents
- 212
- Published applications
- 217
- Assignees
- 113
- Inventors
- 485
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 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 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 5 |
| 2002 | 6 | 4 |
| 2003 | 4 | 6 |
| 2004 | 5 | 5 |
| 2005 | 2 | 7 |
| 2006 | 5 | 10 |
| 2007 | 4 | 14 |
| 2008 | 7 | 10 |
| 2009 | 6 | 11 |
| 2010 | 7 | 5 |
| 2011 | 7 | 10 |
| 2012 | 8 | 19 |
| 2013 | 9 | 8 |
| 2014 | 10 | 9 |
| 2015 | 11 | 12 |
| 2016 | 8 | 11 |
| 2017 | 10 | 7 |
| 2018 | 6 | 10 |
| 2019 | 11 | 12 |
| 2020 | 4 | 7 |
| 2021 | 6 | 5 |
| 2022 | 8 | 12 |
| 2023 | 6 | 11 |
| 2024 | 9 | 3 |
| 2025 | 9 | 1 |
| 2026 | 2 | 3 |
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.
- Storage stable liquid fugitive colored fire-retardant concentrates10 Mar 2026US 12,570,902 B2Perimeter Solutions LP
- Fluorescent particles4 Nov 2025US 12,460,124 B2Life Technologies Corporation
- Organic color center-tailored, semiconducting carbon nanotubes and their method of manufacture1 Jul 2025US 12,344,571 B1University of Maryland, College Park
- Reagents for directed biomarker signal amplification1 Jul 2025US 12,345,713 B2Sirigen II Limited
- Storage stable liquid fugitive colored fire-retardant concentrates1 Oct 2026US 2026/0297428 A1Perimeter Solutions LP
- Reagents for Directed Biomarker Signal Amplification5 Mar 2026US 2026/0063640 A1
- Fluorescent Particles29 Jan 2026US 2026/0028527 A1Life Technologies Corporation
- Uv-protection of photosensitive pigments via incorporation into metal organic frameworks (mofs)13 Feb 2025US 2025/0050316 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Composite colored particles19 Sep 2024US 2024/0309230 A1Mitsubishi Pencil Company, Limited
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 media and processes for the production thereof192US 7,230,750 B2E Ink Corporation · 2007
- Stable electrophoretic particles for displays173US 5,914,806 AInternational Business Machines Corporation · 1999
- Electrophoretic media and processes for the production thereof129US 7,375,875 B2E Ink Corporation · 2008