G03G 9/097
Plasticisers
Official title: Plasticisers; Charge controlling agents
G03G9/097 (Plasticisers) appears on 2,889 US grants and 2,450 published applications in this corpus.
Search patents in G03G- Granted patents
- 2,889
- Published applications
- 2,450
- Assignees
- 264
- Inventors
- 3,616
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 9 | 0 |
| 1979 | 9 | 0 |
| 1980 | 5 | 0 |
| 1981 | 19 | 0 |
| 1982 | 8 | 0 |
| 1983 | 16 | 0 |
| 1984 | 15 | 0 |
| 1985 | 20 | 0 |
| 1986 | 15 | 0 |
| 1987 | 23 | 0 |
| 1988 | 19 | 0 |
| 1989 | 48 | 0 |
| 1990 | 38 | 0 |
| 1991 | 41 | 0 |
| 1992 | 49 | 0 |
| 1993 | 74 | 0 |
| 1994 | 70 | 0 |
| 1995 | 74 | 0 |
| 1996 | 80 | 0 |
| 1997 | 75 | 0 |
| 1998 | 97 | 0 |
| 1999 | 68 | 0 |
| 2000 | 89 | 0 |
| 2001 | 83 | 27 |
| 2002 | 75 | 60 |
| 2003 | 68 | 127 |
| 2004 | 64 | 83 |
| 2005 | 49 | 127 |
| 2006 | 70 | 134 |
| 2007 | 79 | 110 |
| 2008 | 76 | 122 |
| 2009 | 71 | 137 |
| 2010 | 75 | 108 |
| 2011 | 80 | 90 |
| 2012 | 93 | 80 |
| 2013 | 82 | 102 |
| 2014 | 112 | 97 |
| 2015 | 93 | 105 |
| 2016 | 72 | 72 |
| 2017 | 77 | 96 |
| 2018 | 84 | 80 |
| 2019 | 93 | 75 |
| 2020 | 66 | 100 |
| 2021 | 83 | 86 |
| 2022 | 38 | 135 |
| 2023 | 38 | 110 |
| 2024 | 40 | 88 |
| 2025 | 94 | 62 |
| 2026 | 62 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Toner, toner production method, and image-forming method6 Oct 2026US 12,754,489 B2Canon Kabushiki Kaisha
- Electrostatic image development toner6 Oct 2026US 12,754,490 B2Zeon Corporation
- Toner29 Sep 2026US 12,748,359 B2Canon Kabushiki Kaisha
- Image forming system with toner and fixing device22 Sep 2026US 12,743,043 B2Konica Minolta, Inc.
- Toner15 Sep 2026US 12,736,889 B2Canon Kabushiki Kaisha
- Toner, toner production method, and two-component developer8 Oct 2026US 2026/0310114 A1Canon Kabushiki Kaisha
- Positively chargeable toner particles, toner compositions, and methods for production thereof10 Sep 2026US 2026/0267249 A1Xerox Corporation
- Aqueous emulsions containing a charge control agent, toner compositions produced therefrom, and methods for production thereof10 Sep 2026US 2026/0267250 A1Xerox Corporation
- Two-component developer20 Aug 2026US 2026/0244123 A1Canon Kabushiki Kaisha
- Magnetic one-component toner6 Aug 2026US 2026/0227720 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Quarternary ammonium sulfate or sulfonate charge control agents for electrophotographic developers compatible with viton fuser442US 4,338,390 AXerox Corporation · 1982
- Process of making toner compositions324US 5,344,738 AXerox Corporation · 1994
- Toners containing alkyl pyridinium compounds and their hydrates315US 4,298,672 AXerox Corporation · 1981
- Toner compositions with ammonium sulfate charge enhancing additives290US 4,560,635 AXerox Corporation · 1985
- Toner aggregation processes267US 5,501,935 AXerox Corporation · 1996