C09B 68/423
Cationic groups
Official title: {Cationic groups}
C09B68/423 (Cationic groups) appears on 14 US grants and 21 published applications in this corpus.
Search patents in C09B- Granted patents
- 14
- Published applications
- 21
- Assignees
- 13
- Inventors
- 52
- Latest grant
- 29 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 3 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 4 |
| 2008 | 3 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 4 |
| 2024 | 1 | 0 |
| 2025 | 2 | 0 |
By publication year.
Subgroups
Granted patents
Recent patents
- Manipulating hydrophilicity of conventional dye molecules for tracer applications29 Apr 2025US 12,286,574 B2Saudi Arabian Oil Company
- Amphiphilic block copolymer25 Feb 2025US 12,234,311 B2BYK-Chemie GmbH
- Phycocyanin pigment composition9 Apr 2024US 11,952,497 B2DIC Corporation
- Manipulating hydrophilicity of conventional dye molecules for water tracer applications15 Aug 2023US 11,725,139 B2Saudi Arabian Oil Company
- Ink composition, ink set, and image forming method3 Jun 2014US 8,740,369 B2FUJIFILM Corporation
- Manipulating hydrophilicity of conventional dye molecules for tracer applications27 Jul 2023US 2023/0235218 A1Saudi Arabian Oil Company
- Manipulating hydrophilicity of conventional dye molecules for water tracer applications15 Jun 2023US 2023/0183564 A1Saudi Arabian Oil Company
- Phycocyanin pigment composition4 May 2023US 2023/0139450 A1DIC Corporation
- Amphiphilic block copolymer30 Mar 2023US 2023/0095096 A1BYK-Chemie GmbH
- Organic Colorant Complexes from Reactive Dyes and Articles Containing the Same20 May 2021US 2021/0148567 A1Milliken & Company
Most cited
By later US patents
- Electrophoretic particles and processes for the production thereof363US 6,822,782 B2E Ink Corporation · 2004
- Electrophoretic particles and processes for the production thereof121US 7,411,720 B2E Ink Corporation · 2008
- Ink set, and recording method and recorded material using the same36US 7,985,784 B2Seiko Epson Corporation · 2011
- Ink compositions comprising modified colored pigments and methods for preparing the same20US 6,641,653 B2Cabot Corporation · 2003
- Rheology improvers and pigment compositions having improved rheology5US 6,827,775 B2Ciba Specialty Chemicals Corporation · 2004