C09B 68/4235
Ammonium groups or derivatives thereof
Official title: {Ammonium groups or derivatives thereof}
C09B68/4235 (Ammonium groups or derivatives thereof) appears on 10 US grants and 16 published applications in this corpus.
Search patents in C09B- Granted patents
- 10
- Published applications
- 16
- Assignees
- 10
- Inventors
- 44
- Latest grant
- 29 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 3 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 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 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 3 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
By publication year.
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
- 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
- Ink set, and recording method and recorded material using the same26 Jul 2011US 7,985,784 B2Seiko Epson 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
- 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
- Organic Colorant Complexes from Reactive Dyes and Articles Containing the Same25 Apr 2019US 2019/0119501 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
- Rheology improvers and pigment compositions having improved rheology5US 6,827,775 B2Ciba Specialty Chemicals Corporation · 2004
- Rheology improvers and pigment compositions having improved rheology2US 6,827,774 B2Ciba Specialty Chemicals Corporation · 2004