C01C 3/16
Cyanamide
Official title: Cyanamide; Salts thereof ({C01C3/001, C01C3/002 takes precedence}; dicyandiamide C07C279/28)
C01C3/16 (Cyanamide) appears on 17 US grants and 7 published applications in this corpus.
Search patents in C01C- Granted patents
- 17
- Published applications
- 7
- Assignees
- 14
- Inventors
- 48
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 2 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Low melting point ionic liquids for infra-red liquid lens design20 May 2025US 12,306,373 B2Corning Incorporated
- Supported metal material, supported metal catalyst, method of producing ammonia, method of producing hydrogen and method of producing cyanamide compound21 Nov 2023US 11,819,827 B2Japan Science and Technology Agency
- Storage-stable solutions containing cyanamide24 Jan 2023US 11,559,056 B2Alzchem Trostberg GmbH
- Synthesis of cyclocreatine and analogs thereof3 Dec 2019US 10,493,062 B2Lumos Pharma, Inc.
- Process to conserve cyano-function and improve performance of low molecular weight nitrification inhibitors to improve fertilizer efficiency30 Apr 2019US 10,273,194 B2
- Systems and methods for processing shale gas11 Jan 2024US 2024/0009648 A1
- Low melting point ionic liquids for infra-red liquid lens design31 Mar 2022US 2022/0099862 A1Corning Incorporated
- Storage-stable solutions containing cyanamide2 Apr 2020US 2020/0100498 A1Alzchem Trostberg GmbH
- Supported metal material, supported metal catalyst, method of producing ammonia, method of producing hydrogen and method of producing cyanamide compound12 Mar 2020US 2020/0078771 A1Japan Science and Technology Agency
- Process to conserve cyano-function and improve performance of low molecular weight nitrification inhibitors to improve fertilizer efficiency21 Jun 2018US 2018/0170818 A1
Most cited
By later US patents
- Process for making improved corrosion preventive zinc cyanamide13US 5,176,894 AWayne Pigment Corp. · 1993
- Process to conserve cyano-function and improve performance of low molecular weight nitrification inhibitors to improve fertilizer efficiency11US 10,273,194 B22019
- Corrosion preventive zinc cyanamide and method9US 5,378,446 AWayne Pigment Corp. · 1995
- Stabilized cyanamide solutions8US 4,126,664 ASuddeutsche Kalkstickstoff-Werke Aktiengesellschaft · 1978
- Process for the stabilization of aqueous cyanamide solutions3US 4,477,421 ASKW Trostberg Aktiengesellschaft · 1984