B01J 2531/025
Ligands with a porphyrin ring system or analogues thereof
Official title: Ligands with a porphyrin ring system or analogues thereof, e.g. phthalocyanines, corroles
B01J2531/025 (Ligands with a porphyrin ring system or analogues thereof) appears on 280 US grants and 154 published applications in this corpus.
Search patents in B01J- Granted patents
- 280
- Published applications
- 154
- Assignees
- 157
- Inventors
- 546
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 13 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 15 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 9 | 0 |
| 1990 | 13 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 11 | 0 |
| 1997 | 12 | 0 |
| 1998 | 11 | 0 |
| 1999 | 12 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 4 | 7 |
| 2004 | 2 | 5 |
| 2005 | 3 | 4 |
| 2006 | 3 | 2 |
| 2007 | 4 | 2 |
| 2008 | 1 | 7 |
| 2009 | 3 | 3 |
| 2010 | 2 | 5 |
| 2011 | 1 | 7 |
| 2012 | 3 | 5 |
| 2013 | 3 | 9 |
| 2014 | 7 | 5 |
| 2015 | 7 | 8 |
| 2016 | 5 | 7 |
| 2017 | 7 | 8 |
| 2018 | 4 | 3 |
| 2019 | 4 | 14 |
| 2020 | 9 | 10 |
| 2021 | 9 | 8 |
| 2022 | 7 | 13 |
| 2023 | 7 | 7 |
| 2024 | 4 | 7 |
| 2025 | 5 | 4 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oxidized polyethylene compounds and methods of making the same18 Aug 2026US 12,709,680 B2The Regents of the University of California
- Porphyrin-based metal coordination conjugated polymer, preparation method therefor, and application thereof in photocatalytic degradation of organic pollutants26 May 2026US 12,636,642 B2Soochow University
- Production method of catalyst, catalyst, production method of composition, composition, electrode, manufacturing method of electrode, fuel cell, metal-air battery19 Aug 2025US 12,394,803 B2AZUL Energy Inc.
- Synthesis of metal complexes and uses thereof5 Aug 2025US 12,377,405 B2Novomer, Inc.
- Reactive membrane networks for CWA protection17 Jun 2025US 12,330,144 B2Lawrence Livermore National Security, LLC
- Carbon nanotube-porphyrin photocatalysts16 Jul 2026US 2026/0199888 A1
- Oxidation of olefin into ketone2 Jul 2026US 2026/0183758 A1Centre National De La Recherche Scientifique
- Enantioselective c-h amination with iron phthalocyanine and diammonium template catalysts20 Nov 2025US 2025/0352988 A1
- Catalytic aerobic oxidations28 Aug 2025US 2025/0269360 A1
- Co-evaporation of monomer pairs for covalent organic framework film growth6 Mar 2025US 2025/0075040 A1William Marsh Rice University
Most cited
By later US patents
- Functional, photochemically active, and chemically asymmetric membranes by interfacial polymerization of derivatized multifunctional prepolymers410US 4,784,736 ABend Research, Inc. · 1988
- Functional, photochemically active, and chemically asymmetric membranes by interfacial polymerization of derivatized multifunctional prepolymers370US 4,917,800 ABend Research, Inc. · 1990
- Method of expanded porphyrin-oligonucleotide conjugate synthesis325US 5,565,552 ABoard of Regents, Univ. of Texas Sys. · 1996
- Texaphyrin-oligonucleotide conjugates308US 5,587,371 ABoard of Trustees, Univ. of TX Sys. · 1996
- Chromophore probe for detection of nucleic acid221US 5,595,726 ABoard of Trustees, Univ. of TX Sys. · 1997