C01C 3/10
Simple alkali metal cyanides
C01C3/10 (Simple alkali metal cyanides) appears on 26 US grants and 29 published applications in this corpus.
Search patents in C01C- Granted patents
- 26
- Published applications
- 29
- Assignees
- 22
- Inventors
- 71
- Latest grant
- 20 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 3 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 4 | 2 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 2 | 3 |
| 2019 | 0 | 0 |
| 2020 | 2 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 4 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Efficient method for decontaminating waste gases and waste water containing cyanide in a method for producing alkali metal cyanides20 Feb 2024US 11,905,179 B2CyPlus GmbH
- Alkali metal cyanide production21 Mar 2023US 11,608,274 B2Cyanco Corporation
- Process for the preparation of sodium cyanide6 Jul 2021US 11,053,131 B2CyPlus GmbH
- Method, apparatus and system for manufacture of a cyanide24 Nov 2020US 10,843,931 B2Synergen Met Limited
- Efficient method for decontaminating waste gases and waste water containing cyanide in a method for producing alkali metal cyanides4 Aug 2020US 10,730,758 B2Epc Engineering & Technologies GmbH
- Plant and process for producing a solid-state alkali metal cyanide product containing alkali metal hydroxide13 Aug 2026US 2026/0234013 A1CyPlus GmbH
- Method of converting copper cyanide to copper oxide and system thereof11 Jun 2026US 2026/0159409 A1Cyanco Corporation
- Method of converting copper cyanide to copper oxide and system thereof20 Feb 2025US 2025/0059058 A1Cyanco Corporation
- Preventing decomposition in sodium cyanide compositions30 Nov 2023US 2023/0382751 A1Cyanco Corporation
- Method of converting copper cyanide to copper oxide and system thereof6 Jul 2023US 2023/0212022 A1Cyanco Corporation
Most cited
By later US patents
- Process for production of sodium cyanide14US 4,847,062 AE. I. Du Pont de Nemours and Company · 1989
- Sodium cyanide crystallization process control8US 4,083,935 AE. I. Du Pont de Nemours and Company · 1978
- Process for shipment of sodium cyanide slurries6US 4,902,301 AE. I. Du Pont de Nemours and Company · 1990
- Process of producing solid sodium cyanide6US 5,383,940 AGlatt Ingenieurtechnik GmbH · 1995
- Granulated alkali metal cyanide4US 5,674,617 ADegussa AG · 1997