C08K 5/5373
Containing heterocyclic rings not representing cyclic esters of phosphonic acids
Official title: containing heterocyclic rings not representing cyclic esters of phosphonic acids
C08K5/5373 (Containing heterocyclic rings not representing cyclic esters of phosphonic acids) appears on 59 US grants and 32 published applications in this corpus.
Search patents in C08K- Granted patents
- 59
- Published applications
- 32
- Assignees
- 38
- Inventors
- 138
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 5 |
| 2018 | 2 | 3 |
| 2019 | 3 | 6 |
| 2020 | 8 | 5 |
| 2021 | 6 | 2 |
| 2022 | 2 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Hydrophilic, highly swellable hydrogels173US 5,331,059 ACassella Aktiengesellschaft · 1994
- Phosphonate-isocyanurates35US 4,085,283 AStamicarbon B. V. · 1978
- 3-(carboxymethoxyphenyl)benzofuran-2-one stabilizers34US 5,356,966 ACiba-Geigy Corporation · 1994
- Use of organic oxyimides as radical generators in plastics, method for generating radicals in plastics and use of said method11US 10,364,340 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. · 2019
- Reaction products of benzenephosphonic acid and melamine as flame-retardant additives11US 4,061,605 A1977