B01J 31/0279
The cationic portion being acyclic or nitrogen being a substituent on a
Official title: {the cationic portion being acyclic or nitrogen being a substituent on a ring}
B01J31/0279 (The cationic portion being acyclic or nitrogen being a substituent on a) appears on 37 US grants and 64 published applications in this corpus.
Search patents in B01J- Granted patents
- 37
- Published applications
- 64
- Assignees
- 46
- Inventors
- 194
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 6 |
| 2012 | 1 | 1 |
| 2013 | 2 | 6 |
| 2014 | 2 | 1 |
| 2015 | 3 | 2 |
| 2016 | 1 | 2 |
| 2017 | 3 | 7 |
| 2018 | 0 | 7 |
| 2019 | 2 | 1 |
| 2020 | 4 | 7 |
| 2021 | 3 | 4 |
| 2022 | 1 | 2 |
| 2023 | 3 | 0 |
| 2024 | 4 | 3 |
| 2025 | 1 | 6 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
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- Method for preparing and separating alkylene carbonate using carbon dioxide in air8 Jan 2026US 2026/0008765 A1Korea Institute of Science and Technology
- Catalyst for chemical pretreatment of waste fat, oil and grease, and preparation method and use thereof26 Jun 2025US 2025/0205691 A1Fuzhou University
- Catalyst composition for cyclic olefin polymerization, and method for preparing cyclic olefin-based oligomer or olefin-based polymer by using same12 Jun 2025US 2025/0186981 A1Kyungpook National University Industry-Academic Cooperation Foundation
- Pet depolymerization process12 Jun 2025US 2025/0188246 A1Repet S.R.L.
- Improved catalytic wall-flow filter15 May 2025US 2025/0154890 A1Johnson Matthey Public Limited Company
Most cited
By later US patents
- Electrocatalytic process for carbon dioxide conversion36US 9,555,367 B2Dioxide Materials, Inc. · 2017
- Electrocatalysts for carbon dioxide conversion31US 9,012,345 B2Dioxide Materials, Inc. · 2015
- Ionic liquids and their use as solvents25US 7,183,433 B2Scionix Limited · 2007
- Catalyst and process for preparing low-viscosity and color-reduced polyisocyanates containing isocyanurate groups21US 6,613,863 B2Degussa AG · 2003
- Catalyst and process for preparing low-viscosity and color-reduced polyisocyanates containing isocyanurate groups15US 7,001,973 B2Degussa AG · 2006