C09B 47/04
Phthalocyanines abbreviation: pc
Official title: Phthalocyanines {abbreviation: Pc}
C09B47/04 (Phthalocyanines abbreviation: pc) appears on 845 US grants and 582 published applications in this corpus.
Search patents in C09B- Granted patents
- 845
- Published applications
- 582
- Assignees
- 278
- Inventors
- 1,662
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 12 | 0 |
| 1978 | 14 | 0 |
| 1979 | 9 | 0 |
| 1980 | 13 | 0 |
| 1981 | 15 | 0 |
| 1982 | 5 | 0 |
| 1983 | 9 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 9 | 0 |
| 1989 | 15 | 0 |
| 1990 | 11 | 0 |
| 1991 | 13 | 0 |
| 1992 | 18 | 0 |
| 1993 | 21 | 0 |
| 1994 | 15 | 0 |
| 1995 | 26 | 0 |
| 1996 | 29 | 0 |
| 1997 | 25 | 0 |
| 1998 | 37 | 0 |
| 1999 | 22 | 0 |
| 2000 | 26 | 0 |
| 2001 | 16 | 2 |
| 2002 | 18 | 10 |
| 2003 | 9 | 24 |
| 2004 | 10 | 19 |
| 2005 | 6 | 15 |
| 2006 | 18 | 33 |
| 2007 | 20 | 21 |
| 2008 | 15 | 47 |
| 2009 | 30 | 36 |
| 2010 | 36 | 35 |
| 2011 | 30 | 44 |
| 2012 | 26 | 28 |
| 2013 | 23 | 18 |
| 2014 | 32 | 23 |
| 2015 | 16 | 26 |
| 2016 | 18 | 15 |
| 2017 | 13 | 23 |
| 2018 | 12 | 23 |
| 2019 | 9 | 12 |
| 2020 | 24 | 25 |
| 2021 | 10 | 23 |
| 2022 | 13 | 27 |
| 2023 | 16 | 31 |
| 2024 | 15 | 13 |
| 2025 | 11 | 7 |
| 2026 | 10 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C09B 47/08Preparation from other phthalocyanine compounds415
- C09B 47/06Preparation from carboxylic acids or derivatives thereof347
- C09B 47/045Special non-pigmentary uses169
- C09B 47/30Metal-free phthalocyanines34
- C09B 47/32Cationic phthalocyanine dyes31
- C09B 47/28Phthalocyanine dyes containing —s—so3h radicals0
Recent patents
- Compound, anti-reflective film comprising same, and display device15 Sep 2026US 12,735,574 B2Samsung SDI.Co., Ltd.
- Conjugate of phthalocy anine dye and antibody or peptide1 Sep 2026US 12,721,903 B2Complecure, Inc.
- Compound18 Aug 2026US 12,709,627 B2Sumitomo Chemical Company, Limited
- Fluorescent labeling agent and fluorescent dye28 Jul 2026US 12,692,396 B2artience Co., Ltd.
- Antimicrobial medical glove2 Jun 2026US 12,643,989 B2BMG (British Medical Group) Limited
- Aqueous cyan pigment slurry and ink composition comprising the same10 Sep 2026US 2026/0265530 A1Everlight Chemical Industrial Corporation
- Process of preparation of residue free solvent blue 67 dye20 Aug 2026US 2026/0242606 A1Rathi Dye Chem (P) Ltd
- Optical member and display apparatus comprising optical member30 Oct 2025US 2025/0333623 A1Samsung SDI.Co., Ltd.
- Display device3 Jul 2025US 2025/0221228 A1LG 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
Most cited
By later US patents
- Plastic spectacles lens156US 7,506,977 B1Hopnic Laboratory Co., Ltd. · 2009
- Electrophoretic dispersions129US 7,226,550 B2SiPix Imaging, Inc. · 2007
- Processes for the preparation of hydroxygallium phthalocyanine127US 5,521,306 AXerox Corporation · 1996
- Hybrid phthalocyanine derivatives and their uses126US 5,824,799 ABiosite Diagnostics, Inc. · 1998
- Metal phthalocyanine colorants for phase change inks124US 6,221,137 B1Xerox Corporation · 2001