C07F 9/16
Esters of thiophosphoric acids or thiophosphorous acids
C07F9/16 (Esters of thiophosphoric acids or thiophosphorous acids) appears on 731 US grants and 177 published applications in this corpus.
Search patents in C07F- Granted patents
- 731
- Published applications
- 177
- Assignees
- 257
- Inventors
- 1,114
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 73 | 0 |
| 1977 | 55 | 0 |
| 1978 | 48 | 0 |
| 1979 | 19 | 0 |
| 1980 | 41 | 0 |
| 1981 | 34 | 0 |
| 1982 | 26 | 0 |
| 1983 | 34 | 0 |
| 1984 | 31 | 0 |
| 1985 | 26 | 0 |
| 1986 | 26 | 0 |
| 1987 | 8 | 0 |
| 1988 | 26 | 0 |
| 1989 | 13 | 0 |
| 1990 | 14 | 0 |
| 1991 | 14 | 0 |
| 1992 | 12 | 0 |
| 1993 | 10 | 0 |
| 1994 | 11 | 0 |
| 1995 | 16 | 0 |
| 1996 | 13 | 0 |
| 1997 | 9 | 0 |
| 1998 | 11 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 1 |
| 2002 | 7 | 12 |
| 2003 | 9 | 11 |
| 2004 | 7 | 6 |
| 2005 | 2 | 7 |
| 2006 | 11 | 10 |
| 2007 | 4 | 9 |
| 2008 | 4 | 10 |
| 2009 | 4 | 4 |
| 2010 | 1 | 4 |
| 2011 | 8 | 9 |
| 2012 | 5 | 8 |
| 2013 | 2 | 4 |
| 2014 | 9 | 7 |
| 2015 | 8 | 6 |
| 2016 | 6 | 6 |
| 2017 | 6 | 8 |
| 2018 | 7 | 9 |
| 2019 | 2 | 6 |
| 2020 | 8 | 6 |
| 2021 | 7 | 7 |
| 2022 | 1 | 8 |
| 2023 | 8 | 8 |
| 2024 | 7 | 6 |
| 2025 | 1 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing lithium difluorophosphate, method for producing difluorophosphate ester, lithium difluorophosphate, method for producing nonaqueous electrolytic solution, and method for producing nonaqueous secondary battery26 May 2026US 12,640,395 B2Central Glass Company, Limited
- Thiophosphate esters as antiwear additives for lubricants3 Mar 2026US 12,565,625 B2Afton Chemical Corporation
- Phosphoramidite activator21 Jan 2025US 12,202,848 B2Fujifilm Wako Pure Chemical Corporation
- Antiwear system for improved copper corrosion6 Aug 2024US 12,054,688 B1Afton Chemical Corporation
- Acyclic thiol prodrugs14 May 2024US 11,981,694 B2Lilac Therapeutics, Inc.
- Coated seeds and methods to improve crops13 Aug 2026US 2026/0231951 A1Montana State University
- Electrolyte for power storage device, reinforcing agent, electrolyte solution, and power storage device using same29 Jan 2026US 2026/0031394 A1Tomiyama Pure Chemical Industries, Ltd.
- Organophosphorous Compounds and Uses Thereof15 Jan 2026US 2026/0015372 A1Jal Therapeutics, Inc.
- Functionalization of soluble polydienes and polyisoprenes using dithiophosphoric acids6 Nov 2025US 2025/0340677 A1Arizona Board of Regents on Behalf of the University of Arizona
- Thiophosphate esters as antiwear additives for lubricants19 Jun 2025US 2025/0197756 A1Afton Chemical Corporation
Most cited
By later US patents
- Blocked mercaptosilane coupling agents for filled rubbers108US 6,608,125 B2Crompton Corporation · 2003
- Blocked mercaptosilane coupling agents for filled rubbers85US 6,414,061 B1Crompton Corporation · 2002
- Filled rubbers comprising blocked mercaptosilanes and thiuram deblocking agents84US 6,127,468 ACK Witco Corporation · 2000
- Blocked mercaptosilane coupling agents for filled rubbers77US 6,683,135 B22004
- Elastomeric composition comprising a blocked mercaptosilane coupling agent and a deblocking agent75US 6,204,339 B1Crompton Corporation · 2001