B01J 23/42
Platinum
B01J23/42 (Platinum) appears on 1,824 US grants and 2,344 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,824
- Published applications
- 2,344
- Assignees
- 949
- Inventors
- 5,651
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 14 | 0 |
| 1978 | 7 | 0 |
| 1979 | 10 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 9 | 0 |
| 1992 | 14 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 12 | 0 |
| 1997 | 7 | 0 |
| 1998 | 9 | 0 |
| 1999 | 13 | 0 |
| 2000 | 14 | 0 |
| 2001 | 13 | 9 |
| 2002 | 12 | 29 |
| 2003 | 21 | 22 |
| 2004 | 18 | 35 |
| 2005 | 14 | 55 |
| 2006 | 18 | 72 |
| 2007 | 15 | 56 |
| 2008 | 15 | 66 |
| 2009 | 38 | 79 |
| 2010 | 57 | 81 |
| 2011 | 61 | 96 |
| 2012 | 65 | 105 |
| 2013 | 76 | 97 |
| 2014 | 78 | 147 |
| 2015 | 101 | 116 |
| 2016 | 109 | 111 |
| 2017 | 102 | 114 |
| 2018 | 90 | 126 |
| 2019 | 113 | 133 |
| 2020 | 114 | 136 |
| 2021 | 96 | 154 |
| 2022 | 101 | 130 |
| 2023 | 101 | 119 |
| 2024 | 96 | 122 |
| 2025 | 75 | 72 |
| 2026 | 45 | 62 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrogen fusible link29 Sep 2026US 12,746,417 B2Atomic Energy of Canada Limited/éNergie Atomique Du Canada LimitéE
- Composite catalyst and use thereof in preparing propylene glycol22 Sep 2026US 12,741,268 B2Tongji University
- Method for preparing acetic acid by catalyst22 Sep 2026US 12,741,922 B2Taiyuan University of Technology
- Process for producing para-eugenol and/or ortho-eugenol15 Sep 2026US 12,735,378 B2Specialty Operations France
- Preparation method for pyrimidine-2-amine8 Sep 2026US 12,729,185 B2Institute for Basic Science
- Exhaust purification device8 Oct 2026US 2026/0307009 A1Mazda Motor Corporation
- Oxygen reduction catalyst and use thereof8 Oct 2026US 2026/0307067 A1Toyota Jidosha Kabushiki Kaisha
- Silicone impression material with accelerated curing24 Sep 2026US 2026/0286130 A1Kulzer GmbH
- Spherical alumina and supported catalyst, and preparation methods and use thereof17 Sep 2026US 2026/0273511 A1Dalian University of Technology
- Method for preparing platinum-coated honeycomb catalyst used in toc water quality measuring device10 Sep 2026US 2026/0264056 A1Analtec Tms Co., Ltd.
Most cited
By later US patents
- Utilization of energy obtained by substoichiometric combustion of low heating value gases296US 4,299,086 AGulf Research & Development Company · 1981
- Catalyst for membrane electrode assembly and method of making136US 5,879,827 AMinnesota Mining and Manufacturing Company · 1999
- Nanostructured catalyst supports112US 8,278,011 B2Nanosys, Inc. · 2012
- Catalyst structure having integral heat exchange93US 5,250,489 ACatalytica, Inc. · 1993
- Catalysts for the reduction of ammonia emission from rich-burn exhaust92US 8,101,146 B2Johnson Matthey Public Limited Company · 2012