C09B 47/18
Obtaining compounds having oxygen atoms directly bound to the phthalocyanine skeleton
C09B47/18 (Obtaining compounds having oxygen atoms directly bound to the phthalocyanine skeleton) appears on 28 US grants and 26 published applications in this corpus.
Search patents in C09B- Granted patents
- 28
- Published applications
- 26
- Assignees
- 24
- Inventors
- 101
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 3 |
| 2009 | 1 | 2 |
| 2010 | 1 | 3 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 3 | 2 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Antimicrobial medical glove2 Jun 2026US 12,643,989 B2BMG (British Medical Group) Limited
- Compound, photosensitive resin composition including the same, photosensitive resin layer, color filter and display device26 Dec 2023US 11,852,971 B2Samsung SDI.Co., Ltd.
- Color resist material, filter, and preparation method thereof22 Aug 2023US 11,732,137 B2Tcl China Star Optoelectronics Technology Co., Ltd.
- Photosensitive resin composition, photosensitive resin layer using the same and color filter20 Jun 2023US 11,681,217 B2Samsung SDI.Co., Ltd.
- Dye and dye composition1 Oct 2019US 10,428,219 B2Samsung Display Co., Ltd.
- Phthalocyanine pigment, phthalocyanine compound, coloring composition, method for producing phthalocyanine pigment, and method for producing coloring composition19 Jun 2025US 2025/0197642 A1FUJIFILM Corporation
- Antimicrobial medical glove11 May 2023US 2023/0147289 A1Chemical Intelligence Limited
- Light-activated pathogen-killing molecules and uses thereof4 May 2023US 2023/0136109 A1Epic Ventures Inc.
- Color resist material, filter, and preparation method thereof21 Apr 2022US 2022/0119643 A1Tcl China Star Optoelectronics Technology Co., Ltd.
- Conjugate of biotin-modified dimer and phthalocyanine dye20 Jan 2022US 2022/0016245 A1Savid Therapeutics Inc.
Most cited
By later US patents
- Method for tagging thermoplastic materials with near infrared fluorophores44US 5,461,136 AEastman Chemical Company · 1995
- Method for tagging thermoplastic materials with near infrared fluorophores44US 5,703,229 AEastman Chemical Company · 1997
- Poly(oxyalkylene) modified phthalocyanine colorants35US 5,270,363 AMilliken Research Corporation · 1993
- Thermoplastic materials containing near infrared fluorophores35US 5,397,819 AEastman Chemical Company · 1995
- Method for detecting and separating thermoplastic containers with near infrared fluorosphores30US 5,553,714 AEastman Chemical Company · 1996