C10L 1/2633
Phosphorus bond to oxygen
Official title: {phosphorus bond to oxygen (no P. C. bond)}
C10L1/2633 (Phosphorus bond to oxygen) appears on 205 US grants and 99 published applications in this corpus.
Search patents in C10L- Granted patents
- 205
- Published applications
- 99
- Assignees
- 93
- Inventors
- 351
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 9 | 0 |
| 1994 | 12 | 0 |
| 1995 | 9 | 0 |
| 1996 | 10 | 0 |
| 1997 | 11 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 2 |
| 2003 | 4 | 5 |
| 2004 | 3 | 11 |
| 2005 | 3 | 9 |
| 2006 | 0 | 7 |
| 2007 | 2 | 5 |
| 2008 | 2 | 5 |
| 2009 | 7 | 4 |
| 2010 | 7 | 9 |
| 2011 | 4 | 4 |
| 2012 | 2 | 2 |
| 2013 | 3 | 3 |
| 2014 | 2 | 6 |
| 2015 | 3 | 2 |
| 2016 | 3 | 5 |
| 2017 | 5 | 5 |
| 2018 | 3 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 2 |
| 2024 | 0 | 3 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aqueous dispersions of paraffin inhibitors16 Jun 2026US 12,655,363 B2BASF SE
- Lubricating oil compositions25 Nov 2025US 12,480,067 B2Infineum International Limited
- Biological buffers with wide buffering ranges3 Jan 2023US 11,542,450 B2Tpat IP LLC
- Chemical warfare agents and related compounds as fuel for internal combustion engines24 Aug 2021US 11,098,260 B2Southwest Research Institute
- Method and composition for preventing or reducing engine knock and pre-ignition in high compression spark ignition engines31 Mar 2020US 10,604,720 B2ExxonMobil Research and Engineering Company
- Aqueous dispersions of paraffin inhibitors17 Sep 2026US 2026/0275218 A1BASF SE
- Wax treatment and method of use15 May 2025US 2025/0154424 A1Independence Oilfield Chemicals LLC
- Aqueous dispersions of paraffin inhibitors24 Oct 2024US 2024/0352371 A1BASF SE
- Antifoulant for refinery applications3 Oct 2024US 2024/0327696 A1Ecolab USA Inc.
- Lubricating Oil Compositions2 May 2024US 2024/0141250 A1Infineum International Limited
Most cited
By later US patents
- Combination of ethylene polymer, polymer having alkyl side chains, and nitrogen containing compound to improve cold flow properties of distillate fuel oils135US 4,211,534 AExxon Research & Engineering Co. · 1980
- Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives (PT-920)88US 5,229,022 AExxon Chemical Patents Inc. · 1993
- Ethylene alpha-olefin polymer substituted mono-and dicarboxylic acid dispersant additives59US 5,266,223 AExxon Chemical Patents Inc. · 1993
- Fuel compositions59US 5,697,988 AEthyl Corporation · 1997
- Operation of diesel engines with reduced particulate emission by utilization of platinum group metal fuel additive and pass-through catalytic oxidizer57US 5,501,714 APlatinum Plus, Inc. · 1996