C07F 9/65748
The cyclic phosphorus atom belonging to more than one ring system
Official title: {the cyclic phosphorus atom belonging to more than one ring system}
C07F9/65748 (The cyclic phosphorus atom belonging to more than one ring system) appears on 43 US grants and 24 published applications in this corpus.
Search patents in C07F- Granted patents
- 43
- Published applications
- 24
- Assignees
- 41
- Inventors
- 148
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 2 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 2 | 1 |
| 2022 | 0 | 4 |
| 2023 | 0 | 0 |
| 2024 | 1 | 4 |
| 2025 | 2 | 4 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Organic electrolytic solution and lithium battery including the same26 May 2026US 12,640,396 B2Samsung SDI.Co., Ltd.
- Electrolyte additive for lithium secondary battery, electrolyte for lithium secondary battery including the same, and lithium secondary battery1 Apr 2025US 12,266,762 B2Samsung SDI.Co., Ltd.
- Electrolyte additive for secondary battery, preparation method therefor, and electrolyte composition and secondary battery, which comprise additive18 Mar 2025US 12,255,287 B2Foosung Co., Ltd.
- Compound, and lithium secondary battery electrolyte and lithium secondary battery which comprise same24 Sep 2024US 12,100,808 B2Dongwoo Fine-Chem Co., Ltd.
- Nonaqueous electrolytic solution and nonaqueous electrolytic solution secondary battery24 Aug 2021US 11,101,499 B2Central Glass Company, Limited
- Alkoxylation processes using phosphonium dicatecholate catalysts23 Apr 2026US 2026/0109662 A1Dow Global Technologies LLC
- Chiral spirocyclic compounds and methods of preparation and use thereof17 Jul 2025US 2025/0229262 A1The Hong Kong University of Science and Technology
- Lithium iron phosphate and preparation method and application thereof, and ammonium salt compound and application thereof17 Jul 2025US 2025/0230046 A1Contemporary Amperex Technology (Hong Kong) Limited
- Liquid Electrolyte Composition Comprising a Salt, Electrochemical Cell Comprising the Electrolyte Composition, Salt, and Use of the Salt in the Electrochemical Cell19 Jun 2025US 2025/0201926 A1Bayerische Motoren Werke Aktiengesellschaft
- Electrolyte additive for lithium secondary battery, electrolyte for lithium secondary battery including the same, and lithium secondary battery3 Apr 2025US 2025/0112279 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Continuous process for the production of aldehydes by hydroformylation of olefins50US 4,567,306 ADavy McKee (London) Limited · 1986
- Polyolefins stabilized with cyclic diphosphites35US 4,305,866 ABorg-Warner Chemicals, Inc. · 1981
- Bicyclic phosphate ether, ester, and carbonate intumescent flame retardant compositions19US 4,801,625 AAkzo America Inc. · 1989
- Process for preparing pentaerythritol phosphate9US 4,454,064 ABorg-Warner Corporation · 1984
- Process for the formation of pentaerythritol-based phosphorous heterocycles8US 5,237,085 AAkzo N. V. · 1993