B01J 2231/322
Hydrocyanation
B01J2231/322 (Hydrocyanation) appears on 26 US grants and 35 published applications in this corpus.
Search patents in B01J- Granted patents
- 26
- Published applications
- 35
- Assignees
- 13
- Inventors
- 40
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 5 |
| 2014 | 1 | 2 |
| 2015 | 6 | 6 |
| 2016 | 3 | 3 |
| 2017 | 3 | 3 |
| 2018 | 5 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Arsenic-containing ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions13 Jan 2026US 12,521,703 B1INV Nylon Chemicals Americas, LLC
- Use of a multidentate phosphite ligand in the catalytic synthesis of adiponitrile17 Jun 2025US 12,331,007 B2Zhejiang Nhu Company Ltd.
- Process for hydrocyanation of terminal alkynes16 Mar 2021US 10,947,186 B2Studiengesellschaft Kohle mbH
- Nickel metal particle production21 Jan 2020US 10,537,885 B2Invista North America S A R L
- Nickel having high ligand-complexation activity and methods for making the same4 Dec 2018US 10,143,999 B2Invista North America S A R L
- Mesoporous nickel powder and preparation method therefor, nickel-phosphorus catalyst system and adiponitrile preparation method3 Sep 2026US 2026/0257212 A1Shandong Nhu Fine Chemical Science and Technology Company Ltd.
- Processes for producing nitriles and phosphorus-containing catalysts for use in such processes5 Feb 2026US 2026/0034540 A1INV Nylon Chemicals Americas, LLC
- Arsenic-containing ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions15 Jan 2026US 2026/0014551 A1INV Nylon Chemicals Americas, LLC
- Bidentate phosphite ligands, catalytic compositions containing such ligands, and catalytic processes utilizing such catalytic compositions15 Jan 2026US 2026/0014552 A1Invista Textiles (U.K.) Limited
- Processes for producing nitriles and phosphorus-containing catalysts for use in such processes15 Jan 2026US 2026/0015318 A1INV Nylon Chemicals Americas, LLC
Most cited
By later US patents
- Process for separating zero-valent nickel species from divalent nickel species97US 4,387,056 AE. I. Du Pont de Nemours and Company · 1983
- Supported bis(phosphorus) ligands and their use in the catalysis34US 6,984,604 B2Invista North America S A R L · 2006
- Purifying organophosphorus compounds contaminated with chlorine22US 9,676,805 B2Evonik Degussa GmbH · 2017
- Process for preparing nitrile compounds from ethylenically unsaturated compounds14US 7,253,298 B2Rhodia Polyamide Intermediates · 2007
- Method for making nitrile compounds from ethylenically unsaturated compounds7US 7,531,682 B2Rhodia Polyamide Intermediates · 2009