G03G 9/09758
Comprising a heterocyclic ring
Official title: {comprising a heterocyclic ring}
G03G9/09758 (Comprising a heterocyclic ring) appears on 203 US grants and 77 published applications in this corpus.
Search patents in G03G- Granted patents
- 203
- Published applications
- 77
- Assignees
- 54
- Inventors
- 405
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 10 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 9 | 0 |
| 1994 | 15 | 0 |
| 1995 | 10 | 0 |
| 1996 | 10 | 0 |
| 1997 | 15 | 0 |
| 1998 | 11 | 0 |
| 1999 | 5 | 0 |
| 2000 | 13 | 0 |
| 2001 | 8 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 4 |
| 2004 | 3 | 5 |
| 2005 | 2 | 3 |
| 2006 | 3 | 2 |
| 2007 | 4 | 3 |
| 2008 | 1 | 4 |
| 2009 | 1 | 9 |
| 2010 | 2 | 1 |
| 2011 | 7 | 2 |
| 2012 | 3 | 4 |
| 2013 | 1 | 5 |
| 2014 | 3 | 1 |
| 2015 | 2 | 5 |
| 2016 | 2 | 3 |
| 2017 | 3 | 3 |
| 2018 | 3 | 7 |
| 2019 | 8 | 4 |
| 2020 | 1 | 3 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 2 |
| 2024 | 2 | 3 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Toner comprising charge control agent6 Jan 2026US 12,517,445 B2Xerox Corporation
- Charge control agents and particle dispersions including the same28 Oct 2025US 12,454,598 B2E Ink Corporation
- Charge control agents and particle dispersions including the same14 Jan 2025US 12,195,586 B2E Ink Corporation
- Electrostatic printing of cyclodextrin compositions28 May 2024US RE49,985 E1Verdant Technologies, LLC
- Organic additives and compositions containing the same9 Apr 2024US 11,952,448 B2Xerox Corporation
- Toner5 Feb 2026US 2026/0036921 A1Canon Kabushiki Kaisha
- Electrostatic Printing of Cyclodextrin Compositions19 Dec 2024US 2024/0415783 A1Verdant Technologies, LLC
- Charge control agents and particle dispersions including the same22 Aug 2024US 2024/0279391 A1E Ink Corporation
- Electrostatic Printing of Cyclodextrin Compositions1 Aug 2024US 2024/0252448 A1Verdant Technologies, LLC
- Toner Comprising Charge Control Agent12 Oct 2023US 2023/0324824 A1Xerox Corporation
Most cited
By later US patents
- 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
- Electrographic toner and developer composition containing a 4-aza-1-azoniabicyclo(2.2.2) octane salt as a charge control agent167US 4,079,014 AEastman Kodak Company · 1978
- Toner compositions containing a multi-purpose additive52US 5,112,715 AEastman Kodak Company · 1992
- Ink for ink jet printers49US 5,681,380 AKimberly-Clark Worldwide, Inc. · 1997