B01J 2231/4288
Using o nucleophiles
Official title: using O nucleophiles, e.g. alcohols, carboxylates, esters
B01J2231/4288 (Using o nucleophiles) appears on 50 US grants and 54 published applications in this corpus.
Search patents in B01J- Granted patents
- 50
- Published applications
- 54
- Assignees
- 57
- Inventors
- 179
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
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| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
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| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 3 |
| 2014 | 2 | 2 |
| 2015 | 2 | 4 |
| 2016 | 5 | 4 |
| 2017 | 3 | 3 |
| 2018 | 4 | 4 |
| 2019 | 3 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 5 |
| 2024 | 0 | 6 |
| 2025 | 3 | 5 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Preparation of aromatic carboxyamides by a palladium-catalyzed carbonylation reaction26 May 2026US 12,637,412 B2BASF SE
- Method for producing fluorine-containing olefin31 Mar 2026US 12,590,047 B2AGC Inc.
- Catalysts for synthesizing cyclic carbonates, preparation methods and uses thereof23 Dec 2025US 12,502,661 B2Anhui Conch Material Technology Co., Ltd.
- Evolving random heteropolymers towards catalytically active materials28 Oct 2025US 12,454,501 B2Massachusetts Institute of Technology
- Method for carbon dioxide fixation using a palladium-doped nitrogen-rich organic framework catalyst30 Sep 2025US 12,427,506 B1King Fahd University of Petroleum and Minerals
- Catalyst system and process for producing bisphenol-a11 Jun 2026US 2026/0158479 A1Badger Licensing LLC
- Process for manufacturing alogabat23 Apr 2026US 2026/0109691 A1Hoffmann-La Roche Inc.
- Evolving random heteropolymers towards catalytically active materials5 Mar 2026US 2026/0062367 A1Massachusetts Institute of Technology
- Process for preparing double metal cyanide catalysts27 Nov 2025US 2025/0360495 A1Covestro Deutschland AG
- Catalysts for synthesizing cyclic carbonates, preparation methods and uses thereof20 Nov 2025US 2025/0352989 A1Anhui Conch Material Technology Co., Ltd.
Most cited
By later US patents
- Alkoxylation using calcium catalysts and products therefrom27US 4,754,075 AUnion Carbide Corporation · 1988
- Alkoxylation using calcium catalysts and products therefrom27US 4,886,917 AUnion Carbide Chemicals and Plastics Company Inc. · 1989
- Catalyst composition and curable polymer compositions containing same25US 4,395,528 AM&T Chemicals Inc. · 1983
- Alkoxylation using calcium catalysts and products therefrom15US 4,820,673 AUop LLC · 1989
- Catalyst for making dialkyl carbonates11US 6,010,976 ACatalytic Distillation Technologies · 2000