C09B 68/22
Acid treatment
Official title: {Acid treatment (for acid pasting C09B67/0015)}
C09B68/22 (Acid treatment) appears on 3 US grants and 1 published applications in this corpus.
Search patents in C09B- Granted patents
- 3
- Published applications
- 1
- Assignees
- 3
- Inventors
- 9
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Organic color center-tailored, semiconducting carbon nanotubes and their method of manufacture1 Jul 2025US 12,344,571 B1University of Maryland, College Park
- Aniline black having specific sulfur content, and resin composition and water-based and solvent-based dispersions using the aniline black21 Jul 2015US 9,085,673 B2Toda Kogyo Corporation
- Dendrimeric toner particles for liquid electrophotography24 Sep 1996US 5,558,968 AHewlett-Packard Company
Most cited
By later US patents