C07D 251/36
Having halogen atoms directly attached to ring nitrogen atoms
Official title: having halogen atoms directly attached to ring nitrogen atoms
C07D251/36 (Having halogen atoms directly attached to ring nitrogen atoms) appears on 46 US grants and 2 published applications in this corpus.
Search patents in C07D- Granted patents
- 46
- Published applications
- 2
- Assignees
- 15
- Inventors
- 64
- Latest grant
- 18 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 9 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 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 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cationic cyanuric chloride derivative tanning agent and preparation method thereof18 Jul 2023US 11,702,712 B2Shaanxi University of Science and Technology
- N-fluorotriazinium fluorinating agents16 Dec 2003US 6,664,391 B2Air Products and Chemicals, Inc.
- Process for producing chloroisocyanurate compounds with concentrated salt-free hypochlorous acid29 Jun 1993US 5,223,617 AOlin Corporation
- Process for producing trichloroisocyanuric acid13 Aug 1991US 5,039,800 ANissan Chemical Industries, Ltd.
- Method of preparing N-halogenated organic heterocyclic compounds17 May 1988US 4,745,189 AEthyl Corporation
Most cited
By later US patents
- Spray drying apparatus for available chlorine-containing compounds41US 4,422,900 AOlin Corporation · 1983
- Method of preparing N-halogenated organic heterocyclic compounds30US 4,745,189 AEthyl Corporation · 1988
- Process for spray drying sodium dichloroisocyanurate14US 4,182,871 ANiro Atomizer A/S · 1980
- Method of producing granular sodium dichloroisocyanurate13US 4,296,051 AShikoku Kasei Kogyo Co., Ltd. · 1981
- Apparatus and method for dispensing solids into a liquid medium12US 4,099,005 AOlin Corporation · 1978