C10M 2211/044
Acids
Official title: Acids; Salts or esters thereof
C10M2211/044 (Acids) appears on 205 US grants and 48 published applications in this corpus.
Search patents in C10M- Granted patents
- 205
- Published applications
- 48
- Assignees
- 100
- Inventors
- 378
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 10 | 0 |
| 1978 | 10 | 0 |
| 1979 | 11 | 0 |
| 1980 | 10 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 11 | 0 |
| 1994 | 5 | 0 |
| 1995 | 15 | 0 |
| 1996 | 10 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 5 |
| 2003 | 2 | 3 |
| 2004 | 3 | 1 |
| 2005 | 2 | 4 |
| 2006 | 0 | 4 |
| 2007 | 2 | 2 |
| 2008 | 3 | 2 |
| 2009 | 0 | 4 |
| 2010 | 1 | 3 |
| 2011 | 0 | 1 |
| 2012 | 4 | 2 |
| 2013 | 2 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 0 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Non-greasing lubricant for high salinity fluids25 Mar 2025US 12,258,514 B2Halliburton Energy Services.Inc.
- Methods for preparing partially fluorinated esters4 Jun 2024US 11,999,690 B2Mexichem Fluor S.A. De C.V.
- Fluorinated esters as lubricants for heat transfer fluids16 May 2023US 11,649,202 B2Mexichem Fluor S.A. De C.V.
- Fluorinated diester compounds and their use in heat transfer system7 Jun 2022US 11,352,313 B2
- Fluorinated esters as lubricants for heat transfer fluids23 Mar 2021US 10,954,184 B2Mexichem Fluor S.A. De C.V.
- Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium11 Sep 2025US 2025/0283008 A1Resonac Corporation
- Methods6 Feb 2025US 2025/0042836 A1Mexichem Fluor S.A. De C.V.
- Non-greasing lubricant for high salinity fluids31 Oct 2024US 2024/0360353 A1Halliburton Energy Services.Inc.
- Fluorinated diester compounds and their use in heat transfer system18 Aug 2022US 2022/0259137 A1
- Methods3 Feb 2022US 2022/0033340 A1Mexichem Fluor S.A. De C.V.
Most cited
By later US patents
- Polymeric additives for fuels and lubricants82US 4,144,181 AExxon Research & Engineering Co. · 1979
- Silicone oils with improved viscosity stability59US 6,348,437 B1Dow Corning Corporation · 2002
- Hydraulic-operating shock and vibration absorber and damper57US 4,452,437 A1984
- Homogeneous compositions prepared from dimercaptothiadiazoles56US 4,136,043 AThe Lubrizol Corporation · 1979
- Water-based hydraulic fluids46US 4,806,256 AThe Dow Chemical Company · 1989