C07C 251/82
Having doubly-bound carbon atoms of hydrazone groups bound to carbon atoms of
Official title: having doubly-bound carbon atoms of hydrazone groups bound to carbon atoms of rings other than six-membered aromatic rings
C07C251/82 (Having doubly-bound carbon atoms of hydrazone groups bound to carbon atoms of) appears on 12 US grants and 13 published applications in this corpus.
Search patents in C07C- Granted patents
- 12
- Published applications
- 13
- Assignees
- 9
- Inventors
- 21
- Latest grant
- 22 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Photochromic hydrazone switches22 Mar 2022US 11,279,677 B2Trustees of Dartmouth College
- Polymerizable compound, polymerizable composition, polymer, and optically anisotropic product4 Aug 2020US 10,730,844 B2Zeon Corporation
- Bishydrazone-based antifungal agents8 Jan 2019US 10,173,968 B2University of Kentucky Research Foundation
- Polymerizable compound, polymerizable composition, polymer, and optically anisotropic product16 Jan 2018US 9,868,710 B2Zeon Corporation
- Particular quinone direct dyes, dye composition comprising at least one such dye, implementation process therefor and use thereof12 Jan 2016US 9,233,057 B2L'oreal
- Photochromic hydrazone switches22 Aug 2019US 2019/0256472 A1Trustees of Dartmouth College
- Polymerizable compound, polymerizable composition, polymer, and optically anisotropic product5 Apr 2018US 2018/0093958 A1Zeon Corporation
- Bishydrazone-based antifungal agents11 Jan 2018US 2018/0009741 A1University of Kentucky Research Foundation
- Polymerizable compound, polymerizable composition, polymer, and optically anisotropic product8 Sep 2016US 2016/0257659 A1Zeon Corporation
- Particular quinone direct dyes, dye composition comprising at least one such dye, implementation process therefor and use thereof11 Dec 2014US 2014/0360523 A1L'oreal
Most cited
By later US patents
- Hydrazonoacetic acid amides and the use thereof as pesticides3US 5,990,171 ABayer Aktiengesellschaft · 1999
- Polymerizable compound, polymerizable composition, polymer, and optically anisotropic product2US 9,868,710 B2Zeon Corporation · 2018
- Photochromic hydrazone switches1US 11,279,677 B2Trustees of Dartmouth College · 2022
- Antiviral drugs for treatment of arenavirus infection1US 8,148,428 B2Siga Technologies, Inc. · 2012
- Antiviral drugs for treatment of arenavirus infection1US 8,492,434 B2Siga Technologies, Inc. · 2013