C07C 243/40
Hydrazines having nitrogen atoms of hydrazine groups being quaternised
C07C243/40 (Hydrazines having nitrogen atoms of hydrazine groups being quaternised) appears on 12 US grants and 5 published applications in this corpus.
Search patents in C07C- Granted patents
- 12
- Published applications
- 5
- Assignees
- 8
- Inventors
- 29
- Latest grant
- 25 May 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Composition, method and use25 May 2021US 11,015,137 B2Innospec Limited
- Acetylsalicylic acid salts18 Nov 2014US 8,889,902 B2Tetra, Sia
- Base and radical generator, composition using same and method for curing same1 Apr 2014US 8,686,059 B2Three Bond Co., Ltd.
- Latent curing agents, epoxy resin compositions containing the same, sealing materials, and organic EL displays18 Jun 2013US 8,466,238 B2Mitsui Chemicals, Inc.
- Aminimide-containing molecules and materials as molecular recognition agents7 Aug 2001US 6,271,195 B1ArQule, Inc.
- Process for the preparation of quaternized pyridazine derivatives26 Oct 2023US 2023/0339907 A1Syngenta Crop Protection AG
- Composition, method and use6 Feb 2020US 2020/0040270 A1Innospec Limited
- Base and radical generator, composition using same and method for curing same19 Apr 2012US 2012/0095124 A1Three Bond Co., Ltd.
- Acetylsalicylic acid salts12 Apr 2012US 2012/0088742 A1Tetra, Sia
- Latent curing agents, epoxy resin compositions containing the same, sealing materials, and organic el displays7 Oct 2010US 2010/0253213 A1Mitsui Chemicals, Inc.
Most cited
By later US patents
- 3,4-disubstituted phenols-immunomodulating agents38US 5,258,407 ASterling Winthrop Inc. · 1993
- 3,4-disubstituted phenols-immunomodulating agents22US 5,466,715 ASterling Winthrop Inc. · 1995
- Aminimide-containing molecules and materials as molecular recognition agents15US 5,705,585 AArQule, Inc. · 1998
- Latent curing agents, epoxy resin compositions containing the same, sealing materials, and organic EL displays12US 8,466,238 B2Mitsui Chemicals, Inc. · 2013
- Aminimide-containing molecules and materials as molecular recognition agents9US 5,981,467 AArQule, Inc. · 1999