C08K 5/24
Derivatives of hydrazine
C08K5/24 (Derivatives of hydrazine) appears on 222 US grants and 266 published applications in this corpus.
Search patents in C08K- Granted patents
- 222
- Published applications
- 266
- Assignees
- 182
- Inventors
- 766
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 9 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 3 |
| 2003 | 4 | 2 |
| 2004 | 3 | 2 |
| 2005 | 1 | 6 |
| 2006 | 1 | 5 |
| 2007 | 1 | 9 |
| 2008 | 0 | 6 |
| 2009 | 1 | 10 |
| 2010 | 3 | 12 |
| 2011 | 9 | 7 |
| 2012 | 6 | 8 |
| 2013 | 3 | 7 |
| 2014 | 5 | 7 |
| 2015 | 7 | 9 |
| 2016 | 4 | 11 |
| 2017 | 9 | 7 |
| 2018 | 8 | 11 |
| 2019 | 4 | 17 |
| 2020 | 10 | 24 |
| 2021 | 15 | 17 |
| 2022 | 13 | 22 |
| 2023 | 9 | 14 |
| 2024 | 15 | 17 |
| 2025 | 11 | 20 |
| 2026 | 6 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Flame-retardant vibration isolation rubber composition and flame-retardant vibration isolation rubber member6 Oct 2026US 12,753,294 B2Sumitomo Riko Company Limited
- Aqueous self-crosslinkable polyurethane dispersions22 Sep 2026US 12,742,035 B2BASF SE
- Molecular tetrahedron nanocage, its preparation, and uses thereof30 Jun 2026US 12,668,562 B2Purdue Research Foundation
- Expanded coating, preparation method and use thereof, and permanent magnet comprising same16 Jun 2026US 12,655,310 B2Yantai Zhenghai Magnetic Material Co., Ltd.
- Polyethylene composition for use with recycled polyethylene9 Jun 2026US 12,649,843 B2Sabic Global Technologies B.V.
- Three-dimensional printing with dihydrazide antioxidants17 Sep 2026US 2026/0273841 A1Peridot Print LLC
- Degradable crosslinking agent10 Sep 2026US 2026/0265184 A1Nagase Chemtex Corporation
- Degradable crosslinking agent20 Aug 2026US 2026/0242563 A1Nagase Chemtex Corporation
- Aqueous coating composition and method of preparing coating6 Aug 2026US 2026/0226281 A1Dow Global Technologies LLC
- Resin composition and heat dissipation member16 Jul 2026US 2026/0201148 A1Sekisui Chemical Co., Ltd.
Most cited
By later US patents
- Crosslinking aqueous pigment dispersion45US 5,348,997 AMitsubishi Yuka Badische Co., Ltd. · 1994
- Aqueous dispersions, containing hydrazine derivatives, of carbonyl-containing copolymers44US 4,250,070 ABASF SE · 1981
- Epoxy resin powder including ethylene vinyl acetate40US 4,009,224 AMinnesota Mining and Manufacturing Company · 1977
- Poly-4-methylpentene-1 composition32US 4,166,057 ADainichi-Nippon Cables, Ltd. · 1979
- Isocyanate cured coating having reduced yellowing32US 5,631,339 APPG Industries, Inc. · 1997