C09B 68/41
Polymers attached to the pigment surface
Official title: {Polymers attached to the pigment surface (C09B68/444, C09B68/446 take precedence)}
C09B68/41 (Polymers attached to the pigment surface) appears on 90 US grants and 104 published applications in this corpus.
Search patents in C09B- Granted patents
- 90
- Published applications
- 104
- Assignees
- 45
- Inventors
- 183
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 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 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 4 |
| 2006 | 0 | 1 |
| 2007 | 2 | 7 |
| 2008 | 3 | 0 |
| 2009 | 3 | 7 |
| 2010 | 1 | 0 |
| 2011 | 2 | 4 |
| 2012 | 4 | 11 |
| 2013 | 4 | 5 |
| 2014 | 3 | 5 |
| 2015 | 8 | 8 |
| 2016 | 3 | 5 |
| 2017 | 9 | 5 |
| 2018 | 5 | 9 |
| 2019 | 9 | 8 |
| 2020 | 3 | 3 |
| 2021 | 5 | 2 |
| 2022 | 4 | 10 |
| 2023 | 1 | 3 |
| 2024 | 7 | 1 |
| 2025 | 5 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Reagents for directed biomarker signal amplification1 Jul 2025US 12,345,713 B2Sirigen II Limited
- Reagents for directed biomarker signal amplification18 Mar 2025US 12,253,525 B2Sirigen II Limited
- Reagents for directed biomarker signal amplification4 Mar 2025US 12,241,898 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
- Novel Reagents for Directed Biomarker Signal Amplification15 Aug 2024US 2024/0272166 A1Sirigen II Limited
- Novel Reagents for Directed Biomarker Signal Amplification31 Aug 2023US 2023/0273215 A1Sirigen II Limited
Most cited
By later US patents
- Electrophoretic particles and processes for the production thereof363US 6,822,782 B2E Ink Corporation · 2004
- 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
- Electrophoretic particles and processes for the production thereof121US 7,411,720 B2E Ink Corporation · 2008