C09K 15/322
Containing only phosphorus
Official title: {containing only phosphorus}
C09K15/322 (Containing only phosphorus) appears on 76 US grants and 47 published applications in this corpus.
Search patents in C09K- Granted patents
- 76
- Published applications
- 47
- Assignees
- 43
- Inventors
- 153
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 4 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 4 | 3 |
| 2012 | 2 | 1 |
| 2013 | 2 | 2 |
| 2014 | 3 | 3 |
| 2015 | 0 | 1 |
| 2016 | 0 | 4 |
| 2017 | 0 | 7 |
| 2018 | 1 | 2 |
| 2019 | 4 | 3 |
| 2020 | 5 | 2 |
| 2021 | 3 | 2 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 3 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of storing antioxidant mixture21 Apr 2026US 12,606,693 B2Sumitomo Chemical Company, Limited
- Hydrogen peroxide decomposition inhibitor6 Aug 2024US 12,054,659 B2Kanto Kagaku Kabushiki Kaisha
- Stabilized DCD and/or alkyl thiophosphoric triamide solvent systems and use in agricultural applications24 Oct 2023US 11,795,119 B2Rhodia Operations
- 3-phenyl-benzofuran-2-one diphosphate derivatives as stabilizers26 Sep 2023US 11,767,338 B2BASF SE
- Stabilizer for thiol-ene compositions4 May 2021US 10,995,270 B2Allnex Belgium S.A.
- Process stabilizer, organic material composition, and method for stabilizing organic material29 May 2025US 2025/0171476 A1Sumitomo Chemical Company, Limited
- Method of storing antioxidant mixture5 Sep 2024US 2024/0294735 A1Sumitomo Chemical Company, Limited
- Method of storing antioxidant mixture29 Aug 2024US 2024/0287283 A1Sumitomo Chemical Company, Limited
- A masterbatch for upgrading polyesters4 Jul 2024US 2024/0218131 A1Nexam Chemical AB
- Hydrogen Peroxide Decomposition Inhibitor27 Oct 2022US 2022/0340814 A1Kanto Kagaku Kabushiki Kaisha
Most cited
By later US patents
- Corrosion inhibitor for cellulosic insulation70US 4,392,994 AThe Sherwin-Williams Company · 1983
- Alkanolamine esters of 1,1'-biphenyl-2,2'-diyl-and alkylidene-1,1'-biphenyl-2,2'-diyl-cyclic phosphites59US 4,318,845 ACiba-Geigy Corporation · 1982
- Alkanolamine ester of 1,1-biphenyl-2,2-diyl-and alkylidene-1,1-biphenyl-2,2-diyl-cyclic phosphites36US 4,374,219 ACiba-Geigy Corporation · 1983
- Benzene phosphonous acid compounds, their production and use as stabilizers for organic materials30US 4,075,163 ASandoz Ltd. · 1978
- Stabilized polyolefin compositions25US 8,008,423 B2Polnox Corporation · 2011