C10M 2207/304
Derived from the combination of monohydroxy compounds, dihydroxy compounds and dicarboxylic acids
Official title: derived from the combination of monohydroxy compounds, dihydroxy compounds and dicarboxylic acids only and having no free hydroxy or carboxyl groups
C10M2207/304 (Derived from the combination of monohydroxy compounds, dihydroxy compounds and dicarboxylic acids) appears on 97 US grants and 26 published applications in this corpus.
Search patents in C10M- Granted patents
- 97
- Published applications
- 26
- Assignees
- 37
- Inventors
- 169
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 4 | 0 |
| 1978 | 11 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 1 |
| 2006 | 2 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 5 |
| 2017 | 7 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Working fluid, freezer, and freezer oil1 Jul 2025US 12,344,809 B2Eneos Corporation
- Refrigerator oil, and working fluid composition for refrigerator17 Sep 2024US 12,091,629 B2Eneos Corporation
- Working fluid composition for refrigerator, and refrigerator oil28 May 2024US 11,993,742 B2Eneos Corporation
- Refrigerator oil27 Sep 2022US 11,453,839 B2Eneos Corporation
- Ecofriendly and biodegradable lubricant formulation and process for preparation thereof12 Oct 2021US 11,142,718 B2Council of Scientific and Industrial Research
- Complex ester, refrigerator oil, and working fluid composition30 Jul 2026US 2026/0218082 A1Eneos Corporation
- Working fluid, freezer, and freezer oil25 Sep 2025US 2025/0297183 A1Eneos Corporation
- Working fluid, freezer, and freezer oil18 Jan 2024US 2024/0018437 A1Eneos Corporation
- Refrigerator oil, and working fluid composition for refrigerator4 May 2023US 2023/0135466 A1Eneos Corporation
- Working fluid composition for refrigerator, and refrigerator oil13 Oct 2022US 2022/0325159 A1Eneos Corporation
Most cited
By later US patents
- Modified high molecular weight succinimides114US 5,334,321 AChevron Research and Technology Company, a Division of Chevron U.S.A. Inc. · 1994
- Polymeric additives for fuels and lubricants97US 4,089,794 AExxon Research & Engineering Co. · 1978
- Lubricant composition86US 4,105,571 AExxon Research & Engineering Co. · 1978
- Lubricating compositions and methods utilizing hydroxy thioethers63US 4,031,023 AThe Lubrizol Corporation · 1977
- Synthetic lubricating oils53US 5,262,076 ANippon Oil Co., Ltd. · 1993