C08F 2/28
Cationic
Official title: cationic
C08F2/28 (Cationic) appears on 79 US grants and 78 published applications in this corpus.
Search patents in C08F- Granted patents
- 79
- Published applications
- 78
- Assignees
- 73
- Inventors
- 321
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 5 |
| 2004 | 3 | 2 |
| 2005 | 2 | 2 |
| 2006 | 0 | 1 |
| 2007 | 2 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 0 | 5 |
| 2011 | 2 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 4 |
| 2014 | 4 | 1 |
| 2015 | 1 | 1 |
| 2016 | 3 | 0 |
| 2017 | 0 | 4 |
| 2018 | 1 | 7 |
| 2019 | 3 | 3 |
| 2020 | 3 | 3 |
| 2021 | 4 | 9 |
| 2022 | 6 | 4 |
| 2023 | 4 | 9 |
| 2024 | 3 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Graft polymer25 Aug 2026US 12,715,951 B2Daikin Industries, Ltd.
- Liquid repellent composition, method for producing same, and article23 Sep 2025US 12,421,416 B2AGC Inc.
- Method for making water-dispersible and water-dispersed polymers17 Dec 2024US 12,168,703 B2Swimc LLC
- Method for cleaning a polymerisation reactor2 Jul 2024US 12,024,572 B2Wacker Chemie AG
- Core-shell copolymer, method for preparing the same and thermoplastic resin composition including the same27 Feb 2024US 11,912,804 B2LG Chem.Ltd.
- Water repellent composition2 Jul 2026US 2026/0184907 A1Daikin Industries, Ltd.
- Preparation method and application of polytetrafluoroethylene stretched film22 Jan 2026US 2026/0021618 A1Jiaxing Frebang New Material Technology Co., Ltd
- Dental Varnishes Based On Cationic Polymer Dispersions25 Dec 2025US 2025/0387315 A1
- Resin, resin dispersion, and resin composition4 Dec 2025US 2025/0368766 A1Dnp Fine Chemicals Co., Ltd.
- Polyvinyl alcohol resin, polyvinyl acetal resin, method for producing polyvinyl alcohol resin, and method for producing polyvinyl acetal resin22 Aug 2024US 2024/0279369 A1Sekisui Chemical Co., Ltd.
Most cited
By later US patents
- Process for making cationic structured particle latexes using reactive polymeric surfactants76US 4,337,185 AThe Dow Chemical Company · 1982
- Photosensitive semiconductor nanocrystals, photosensitive composition comprising semiconductor nanocrystals and method for forming semiconductor nanocrystal pattern using the same74US 7,199,393 B2Samsung Electronics Co., Ltd. · 2007
- Antimicrobial polymer latexes derived from unsaturated quaternary ammonium compounds and antimicrobial coatings, sealants, adhesives and elastomers produced from such latexes68US 6,242,526 B1Stepan Company · 2001
- Hydrophobically associating dispersants used in forming polymer dispersions52US 5,597,858 ANalco Chemical Company · 1997
- Antimicrobial polymer latexes derived from unsaturated quaternary ammonium compounds and antimicrobial coatings, sealants, adhesives and elastomers produced from such latexes45US 6,492,445 B2Stepan Company · 2002