C09D 5/034
Charge control agents
Official title: {Charge control agents (for toners G03G9/097)}
C09D5/034 (Charge control agents) appears on 42 US grants and 25 published applications in this corpus.
Search patents in C09D- Granted patents
- 42
- Published applications
- 25
- Assignees
- 21
- Inventors
- 70
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 2 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 5 |
| 2021 | 3 | 1 |
| 2022 | 2 | 1 |
| 2023 | 2 | 1 |
| 2024 | 1 | 3 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Curable coating material for non-impact printing26 Aug 2025US 12,398,280 B2Tiger Coatings GmbH & Co. KG
- Metal packaging powder coating compositions, coated metal substrates, and methods24 Dec 2024US 12,173,183 B2Swimc LLC
- Metal packaging powder coating compositions, coated metal substrates, and methods5 Dec 2023US 11,834,585 B2Swimc LLC
- Curable coating material for non-impact printing17 Oct 2023US 11,787,960 B2Tiger Coatings GmbH & Co. KG
- Curable coating material for non-impact printing15 Nov 2022US 11,499,061 B2Tiger Coatings GmbH & Co. KG
- Set of chemicals for the preparation of a polymer4 Sep 2025US 2025/0277099 A1Chemische Fabrik Budenheim KG
- Metal packaging powder coating compositions, coated metal substrates, and methods1 May 2025US 2025/0136822 A1Swimc LLC
- Metal packaging powder coating compositions, coated metal substrates, and methods9 May 2024US 2024/0150584 A1Swimc LLC
- Powder coating composition22 Feb 2024US 2024/0059913 A1Chemours-Mitsui Fluoroproducts Co., Ltd.
- Curable coating material for non-impact printing11 Jan 2024US 2024/0010859 A1Tiger Coatings GmbH & Co. KG
Most cited
By later US patents
- Process for enhancing the electrostatic chargeability of powder coatings or powders, and the use thereof for surface-coating solid objects46US 5,021,473 AHoechst Aktiengesellschaft · 1991
- Polyester salts and their use as charge control agents38US 5,502,118 AHoechst Aktiengesellschaft · 1996
- Chargeable resin powder35US 5,501,934 AOrient Chemical Industries, Ltd. · 1996
- Use of colorless, intensely fluorinated ammonium and iminium compounds as charge control agents for electrophotographic recording processes31US 5,069,994 AHoechst Aktiengesellschaft · 1991
- Process for coating a substrate with a powder paint composition24US 6,342,273 B12002