B01J 2531/72
Manganese
B01J2531/72 (Manganese) appears on 326 US grants and 257 published applications in this corpus.
Search patents in B01J- Granted patents
- 326
- Published applications
- 257
- Assignees
- 242
- Inventors
- 877
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 11 | 0 |
| 1997 | 7 | 0 |
| 1998 | 11 | 0 |
| 1999 | 9 | 0 |
| 2000 | 15 | 0 |
| 2001 | 9 | 5 |
| 2002 | 12 | 5 |
| 2003 | 11 | 14 |
| 2004 | 8 | 10 |
| 2005 | 4 | 12 |
| 2006 | 10 | 9 |
| 2007 | 6 | 8 |
| 2008 | 4 | 6 |
| 2009 | 2 | 13 |
| 2010 | 9 | 14 |
| 2011 | 6 | 18 |
| 2012 | 4 | 7 |
| 2013 | 10 | 10 |
| 2014 | 5 | 10 |
| 2015 | 5 | 8 |
| 2016 | 9 | 8 |
| 2017 | 8 | 11 |
| 2018 | 9 | 12 |
| 2019 | 7 | 15 |
| 2020 | 14 | 15 |
| 2021 | 9 | 6 |
| 2022 | 5 | 15 |
| 2023 | 5 | 4 |
| 2024 | 8 | 11 |
| 2025 | 5 | 6 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for preparing polypropylene carbonate30 Jun 2026US 12,668,661 B2ENI S. p. A.
- Degradative method10 Mar 2026US 12,568,971 B2Catexel Technologies Limited
- Ionic solid27 Jan 2026US 12,534,489 B2Japan Science and Technology Agency
- Catalysts for synthesizing cyclic carbonates, preparation methods and uses thereof23 Dec 2025US 12,502,661 B2Anhui Conch Material Technology Co., Ltd.
- Manganese-catalysed hydrogenation of esters23 Sep 2025US 12,421,200 B2University Court of the University of St Andrews
- Manganese polymers and catalysts for plastic articles24 Sep 2026US 2026/0286097 A1Plastipak Packaging, Inc.
- Carbon nanotube-porphyrin photocatalysts16 Jul 2026US 2026/0199888 A1
- Process and system for preparing electronic-grade isopropanol by hydrogenating acetone21 May 2026US 2026/0138939 A1China Petroleum & Chemical Corporation
- Metal oxygen-containing complex and its use as a pre-oxidant30 Apr 2026US 2026/0116836 A1China Petroleum & Chemical Corporation
- Catalytic reaction method, method for producing organic compound, and catalyst composition1 Jan 2026US 2026/0001067 A1Nitto Denko Corporation
Most cited
By later US patents
- Texaphyrin-oligonucleotide conjugates308US 5,587,371 ABoard of Trustees, Univ. of TX Sys. · 1996
- Crystalline metal-organic microporous materials153US 5,648,508 ANalco Chemical Company · 1997
- Method of recovering in active form the catalyst for the terephthalic acid synthesis117US 4,356,319 AMontedison S.p.A. · 1982
- Manganese catalyst for activating hydrogen peroxide bleaching78US 5,194,416 ALever Brothers Company, Division of Conopco, Inc. · 1993
- Process for producing polyalkylene carbonates76US 6,617,467 B1BASF SE · 2003