C01C 3/145
Isocyanic acid
Official title: {Isocyanic acid; Salts thereof}
C01C3/145 (Isocyanic acid) appears on 7 US grants and 2 published applications in this corpus.
Search patents in C01C- Granted patents
- 7
- Published applications
- 2
- Assignees
- 5
- Inventors
- 17
- Latest grant
- 27 Jan 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 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 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Diagnostic tool and process for assessing thermal urea gasification performance27 Jan 2015US 8,940,543 B2Fuel Tech, Inc.
- Method for producing chlorosulfonyl isocyanate23 Dec 2008US 7,468,174 B2Nippon Soda Co., Ltd.
- Process for preparing isocyanic acid from cyanuric acid14 Nov 1995US 5,466,429 AChemie Linz Aktiengesellschaft
- Preparation of organic compounds using as a reactant an adduct of isocyanic acid and a tertiary amine or an ether29 Jun 1993US 5,223,635 AChemie Linz Gesellschaft m.b.H.
- Process for producing chlorosulfonyl isocyanate2 Jun 1992US 5,118,487 AKuraray Co., Ltd.
Most cited
By later US patents
- Process for the removal of isocyanic acid from a mixture of isocyanic acid and ammonia10US 5,078,980 AChemie Linz Gesellschaft m.b.H. · 1992
- Production of isocyanic acid and isocyanates1US 4,255,453 A1981
- Process for producing chlorosulfonyl isocyanate1US 5,118,487 AKuraray Co., Ltd. · 1992
- Method for producing chlorosulfonyl isocyanate1US 7,468,174 B2Nippon Soda Co., Ltd. · 2008