C09B 67/009
Polymeric dispersing agent
Official title: {polymeric dispersing agent}
C09B67/009 (Polymeric dispersing agent) appears on 477 US grants and 617 published applications in this corpus.
Search patents in C09B- Granted patents
- 477
- Published applications
- 617
- Assignees
- 239
- Inventors
- 1,541
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 2 |
| 2002 | 11 | 7 |
| 2003 | 8 | 8 |
| 2004 | 1 | 12 |
| 2005 | 1 | 10 |
| 2006 | 8 | 14 |
| 2007 | 9 | 18 |
| 2008 | 4 | 34 |
| 2009 | 10 | 41 |
| 2010 | 16 | 36 |
| 2011 | 16 | 29 |
| 2012 | 30 | 23 |
| 2013 | 28 | 27 |
| 2014 | 37 | 31 |
| 2015 | 22 | 33 |
| 2016 | 20 | 33 |
| 2017 | 33 | 23 |
| 2018 | 23 | 33 |
| 2019 | 20 | 24 |
| 2020 | 24 | 49 |
| 2021 | 16 | 45 |
| 2022 | 21 | 36 |
| 2023 | 23 | 17 |
| 2024 | 31 | 18 |
| 2025 | 13 | 9 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polyalkyleneimine-based polymer as dispersants11 Aug 2026US 12,703,773 B2BASF SE
- Dispersants made from isocyanates and amines14 Apr 2026US 12,600,812 B2Huntsman Petrochemical Corporation
- Pigment composition, printing ink, and method for manufacturing pigment composition14 Apr 2026US 12,600,873 B2DIC Corporation
- Polyalkyleneimine-based polymers containing polyether chains31 Mar 2026US 12,590,183 B2BASF SE
- Use of encapsulated natural colors17 Mar 2026US 12,577,506 B2Sensient Colors UK Ltd
- Near-infrared-transmitting black particles, ink, and molded body20 Aug 2026US 2026/0242623 A1Sekisui Chemical Co., Ltd.
- Core-shell particle and production method therefor, dye composition, oral composition, liquid oral composition and production method therefor, and method for forming pattern in liquid5 Mar 2026US 2026/0060281 A1Suntory Holdings Limited
- Microencapsulated gardenia yellow pigment and a preparation method thereof5 Feb 2026US 2026/0035566 A1Henan Zhongda Hengyuan Biotechnology Stock Co., Ltd.
- Pigment dispersion and ink composition22 Jan 2026US 2026/0022265 A1FUJIFILM Corporation
- Optical filter and imaging device15 Jan 2026US 2026/0015507 A1AGC Inc.
Most cited
By later US patents
- Particles dispersed w/polymer dispersant having liquid soluble and cross-linkable insoluble segments76US 6,262,152 B1E. I. Du Pont de Nemours and Company · 2001
- Dispersants resistant to color change75US 4,812,517 AE. I. Du Pont de Nemours and Company · 1989
- Acrylic polymer dispersant for aqueous acrylic coating compositions74US 3,980,602 AE. I. Du Pont de Nemours and Company · 1976
- Modified pigments having improved dispersing properties46US 6,336,965 B12002
- Modified pigments having improved dispersing properties45US 6,478,863 B2Cabot Corporation · 2002