C10M 135/30
Containing hydroxy groups
Official title: containing hydroxy groups; Derivatives thereof
C10M135/30 (Containing hydroxy groups) appears on 159 US grants and 35 published applications in this corpus.
Search patents in C10M- Granted patents
- 159
- Published applications
- 35
- Assignees
- 57
- Inventors
- 259
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 14 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 13 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 3 |
| 2003 | 5 | 5 |
| 2004 | 3 | 2 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 4 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 3 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 3 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 3 |
| 2024 | 3 | 2 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Additives with high sulfurization for lubricating oil compositions28 Oct 2025US 12,454,656 B2Afton Chemical Corporation
- Additives with high sulfurization for lubricating oil compositions8 Apr 2025US 12,270,003 B2Afton Chemical Corporation
- Polyalphaolefin phenols with high para-position selectivity4 Mar 2025US 12,241,038 B2Afton Chemical Corporation
- Lubricant composition for oxidation-stable automotive transmission24 Sep 2024US 12,098,348 B2Totalenergies Onetech
- Sulfurized additives with low levels of alkyl phenols7 May 2024US 11,976,250 B2Afton Chemical Corporation
- Additives with high sulfurization for lubricating oil compositions24 Jul 2025US 2025/0236807 A1Afton Chemical Corporation
- Polyalphaolefin phenols with high para-position selectivity11 Jul 2024US 2024/0228904 A1Afton Chemical Corporation
- Additives with high sulfurization for lubricating oil compositions21 Mar 2024US 2024/0093116 A1Afton Chemical Corporation
- Lubricant composition for oxidation-stable automotive transmission28 Sep 2023US 2023/0303945 A1Totalenergies Onetech
- Polyalphaolefin phenols with high para-position selectivity24 Aug 2023US 2023/0265355 A1Afton Chemical Corporation
Most cited
By later US patents
- Lubricating oil compositions72US 4,904,401 AThe Lubrizol Corporation · 1990
- Polyol ester lubricants for refrigerating compressors operating at high temperatures55US 5,833,876 AHenkel Corporation · 1998
- Succinimide complexes of borated fatty acid esters of glycerol and lubricating oil compositions containing same51US 4,455,243 AChevron Research Company · 1984
- Lubricating oil having improved fuel economy retention properties46US 6,143,701 AExxon Chemical Patents Inc. · 2000
- Lubricating compositions45US 5,883,057 AThe Lubrizol Corporation · 1999