C09B 47/00
Porphines
Official title: Porphines; Azaporphines {(non-dyeing compounds C07D487/22)}
C09B47/00 (Porphines) appears on 997 US grants and 748 published applications in this corpus.
Search patents in C09B- Granted patents
- 997
- Published applications
- 748
- Assignees
- 367
- Inventors
- 2,006
- 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 | 10 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 9 | 0 |
| 1989 | 15 | 0 |
| 1990 | 11 | 0 |
| 1991 | 15 | 0 |
| 1992 | 20 | 0 |
| 1993 | 21 | 0 |
| 1994 | 16 | 0 |
| 1995 | 26 | 0 |
| 1996 | 30 | 0 |
| 1997 | 26 | 0 |
| 1998 | 40 | 0 |
| 1999 | 27 | 0 |
| 2000 | 28 | 0 |
| 2001 | 17 | 3 |
| 2002 | 25 | 16 |
| 2003 | 16 | 31 |
| 2004 | 14 | 30 |
| 2005 | 8 | 19 |
| 2006 | 21 | 39 |
| 2007 | 29 | 29 |
| 2008 | 18 | 50 |
| 2009 | 36 | 43 |
| 2010 | 40 | 38 |
| 2011 | 35 | 50 |
| 2012 | 32 | 38 |
| 2013 | 28 | 24 |
| 2014 | 38 | 35 |
| 2015 | 28 | 40 |
| 2016 | 25 | 28 |
| 2017 | 27 | 32 |
| 2018 | 15 | 27 |
| 2019 | 16 | 16 |
| 2020 | 28 | 33 |
| 2021 | 13 | 28 |
| 2022 | 15 | 34 |
| 2023 | 19 | 35 |
| 2024 | 18 | 15 |
| 2025 | 16 | 8 |
| 2026 | 13 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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.
- Optical device with transmission inhibition plateau in blue spectral range28 Jul 2026US 12,693,551 B2
- Optical device with transmission inhibition plateau in blue spectral range1 Oct 2026US 2026/0299319 A1ColorBoost Inc.
- Aqueous cyan pigment slurry and ink composition comprising the same10 Sep 2026US 2026/0265530 A1Everlight Chemical Industrial Corporation
- Pyropheophorbide Analogues for Therapy and Diagnosis27 Aug 2026US 2026/0248828 A1RMW CHO Group Limited
- Near-Infrared Dyes And Conjugates For Targeting Tumors20 Aug 2026US 2026/0241040 A1Lahjavida, LLC
- Process of preparation of residue free solvent blue 67 dye20 Aug 2026US 2026/0242606 A1Rathi Dye Chem (P) Ltd
Most cited
By later US patents
- Plastic spectacles lens156US 7,506,977 B1Hopnic Laboratory Co., Ltd. · 2009
- Photoelectric conversion device and photo cell137US 6,291,763 B1Fuji Photo Film Co., Ltd. · 2001
- 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