B01J 27/26
Cyanides
B01J27/26 (Cyanides) appears on 196 US grants and 164 published applications in this corpus.
Search patents in B01J- Granted patents
- 196
- Published applications
- 164
- Assignees
- 88
- Inventors
- 426
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 2 |
| 2002 | 11 | 8 |
| 2003 | 15 | 20 |
| 2004 | 16 | 13 |
| 2005 | 13 | 14 |
| 2006 | 9 | 8 |
| 2007 | 7 | 8 |
| 2008 | 2 | 5 |
| 2009 | 2 | 2 |
| 2010 | 6 | 5 |
| 2011 | 1 | 2 |
| 2012 | 1 | 3 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 2 | 5 |
| 2017 | 3 | 5 |
| 2018 | 5 | 6 |
| 2019 | 5 | 8 |
| 2020 | 4 | 6 |
| 2021 | 1 | 10 |
| 2022 | 5 | 4 |
| 2023 | 8 | 10 |
| 2024 | 6 | 6 |
| 2025 | 7 | 3 |
| 2026 | 0 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Intermediate compounds used for preparing brivaracetam, preparation methods for intermediate compounds, and use16 Dec 2025US 12,497,373 B2Shanghai Boc Chemical Co., Ltd.
- Water-splitting hydrogen production photocatalyst including spatially separated cocatalyst and method for producing same18 Nov 2025US 12,472,484 B2Postech Research and Business Development Foundation
- Sintered body, method for producing same, and dielectric composition14 Oct 2025US 12,441,662 B2Murata Manufacturing Co., Ltd.
- Simple preparation method and use of support of catalyst for hydrogenation23 Sep 2025US 12,420,269 B1Nanjing Tech University
- Process for preparing double metal cyanide catalysts29 Jul 2025US 12,370,535 B2Covestro Deutschland AG
- Double metal cyanide catalyst and method for preparing same20 Aug 2026US 2026/0241373 A1Gs Caltex Corporation
- Preparation method of double metal cyanide catalyst for preparing a polycarbonate-ether23 Jul 2026US 2026/0208170 A1
- Alkoxylation processes using phosphorus and double metal cyanide catalysts23 Jul 2026US 2026/0208173 A1Dow Global Technologies LLC
- Porous metal cyanide-based framework material with cation gating effect, its preparation method, and application in carbon dioxide capture4 Jun 2026US 2026/0151727 A1Zhejiang University
- Electrodes Employing Aptamer-Based Recognition for Colorimetric Visualization4 Jun 2026US 2026/0153488 A1University of Cincinnati
Most cited
By later US patents
- Process for preparing metal cyanide complex catalyst287US 5,158,922 AARCO Chemical Technology, L. P. · 1992
- Double metal cyanide complex catalysts279US 5,470,813 AARCO Chemical Technology, L. P. · 1995
- Highly active double metal cyanide catalysts250US 5,482,908 AARCO Chemical Technology, L. P. · 1996
- Catalysts for the polymerization of epoxides and process for the preparation of such catalysts144US 4,477,589 AShell Oil Company · 1984
- Process for the polymerization of epoxides132US 4,472,560 AShell Oil Company · 1984