C08K 5/30
Hydrazones
Official title: Hydrazones; Semicarbazones
C08K5/30 (Hydrazones) appears on 29 US grants and 25 published applications in this corpus.
Search patents in C08K- Granted patents
- 29
- Published applications
- 25
- Assignees
- 28
- Inventors
- 81
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 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 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 4 |
| 2015 | 1 | 0 |
| 2016 | 1 | 5 |
| 2017 | 3 | 0 |
| 2018 | 1 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 2 |
| 2021 | 2 | 2 |
| 2022 | 2 | 2 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Binder5 Aug 2025US 12,378,398 B2Japan Vam & Poval Co., Ltd.
- High voltage component for an electric vehicle22 Jul 2025US 12,368,216 B2Ticona LLC
- Binder composition for electrochemical device, slurry composition for electrochemical device functional layer, slurry composition for electrochemical device adhesive layer, and composite membrane9 Aug 2022US 11,411,220 B2Zeon Corporation
- Additive for rubber, rubber composition, and tire using the same24 May 2022US 11,339,272 B2Bridgestone Corporation
- Curable fluoroelastomer composition16 Nov 2021US 11,174,330 B2DuPont Polymers, Inc.
- Hydroxyphenyltriazine co-stabilizers for stabilized polyesters13 Aug 2026US 2026/0234368 A1BASF SE
- Near infrared and red light absorbing composite resin particles12 Mar 2026US 2026/0071027 A1Agfa-Gevaert
- Rubber composition14 Aug 2025US 2025/0257197 A1Otsuka Chemical Co., Ltd.
- Rubber composition, method for preparing same, and tire for construction vehicle9 Mar 2023US 2023/0073273 A1The Yokohama Rubber Co., Ltd.
- High Voltage Component for an Electric Vehicle20 Oct 2022US 2022/0336931 A1Ticona LLC
Most cited
By later US patents
- Stabilized polymeric composition in contact with metals7US 4,093,774 ABell Telephone Laboratories, Incorporated · 1978
- Tires for heavy load7US 7,378,464 B2Bridgestone Corporation · 2008
- Nitrile imines4US 4,247,474 AHercules Incorporated · 1981
- Use of metal complexes of hydrazones as pigments4US 4,612,014 ACiba-Geigy Corporation · 1986
- Stabilized polymeric composition and product using same3US 3,970,637 ABell Telephone Laboratories, Incorporated · 1976