C10M 2207/34
Esters having a hydrocarbon substituent of thirty or more carbon atoms
Official title: Esters having a hydrocarbon substituent of thirty or more carbon atoms, e.g. substituted succinic acid derivatives
C10M2207/34 (Esters having a hydrocarbon substituent of thirty or more carbon atoms) appears on 1,185 US grants and 155 published applications in this corpus.
Search patents in C10M- Granted patents
- 1,185
- Published applications
- 155
- Assignees
- 249
- Inventors
- 1,408
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 87 | 0 |
| 1977 | 70 | 0 |
| 1978 | 105 | 0 |
| 1979 | 73 | 0 |
| 1980 | 58 | 0 |
| 1981 | 49 | 0 |
| 1982 | 23 | 0 |
| 1983 | 17 | 0 |
| 1984 | 14 | 0 |
| 1985 | 16 | 0 |
| 1986 | 13 | 0 |
| 1987 | 8 | 0 |
| 1988 | 18 | 0 |
| 1989 | 29 | 0 |
| 1990 | 31 | 0 |
| 1991 | 36 | 0 |
| 1992 | 35 | 0 |
| 1993 | 33 | 0 |
| 1994 | 47 | 0 |
| 1995 | 39 | 0 |
| 1996 | 51 | 0 |
| 1997 | 38 | 0 |
| 1998 | 47 | 0 |
| 1999 | 42 | 0 |
| 2000 | 21 | 0 |
| 2001 | 36 | 5 |
| 2002 | 25 | 22 |
| 2003 | 25 | 16 |
| 2004 | 12 | 12 |
| 2005 | 11 | 11 |
| 2006 | 4 | 4 |
| 2007 | 4 | 5 |
| 2008 | 7 | 5 |
| 2009 | 5 | 6 |
| 2010 | 3 | 6 |
| 2011 | 6 | 2 |
| 2012 | 6 | 5 |
| 2013 | 2 | 3 |
| 2014 | 2 | 2 |
| 2015 | 4 | 7 |
| 2016 | 2 | 3 |
| 2017 | 4 | 10 |
| 2018 | 1 | 7 |
| 2019 | 7 | 9 |
| 2020 | 8 | 4 |
| 2021 | 3 | 5 |
| 2022 | 6 | 1 |
| 2023 | 1 | 2 |
| 2024 | 0 | 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
- Lubricant composition containing metal alkanoate22 Jul 2025US 12,365,849 B2Infineum International Limited
- Biodegradable lubricant with tailored hydrolytic stability and improved thermal stability through alkoxylation of glycerol20 Jun 2023US 11,680,218 B2Tetramer Technologies, LLC
- Lubricating oil composition and lubricating agent using same13 Sep 2022US 11,441,093 B2Moresco Corporation
- Refrigerator oil and hydraulic fluid composition for refrigerators12 Jul 2022US 11,384,309 B2Eneos Corporation
- Mixed powder for powder metallurgy and lubricant for powder metallurgy7 Jun 2022US 11,351,603 B2Jfe Steel Corporation
- Lubricant composition containing an ionic liquid29 Jan 2026US 2026/0028547 A1
- Lubricant base oil2 Jan 2025US 2025/0002802 A1Idemitsu Kosan Co., Ltd.
- Lubricant Composition Containing Metal Alkanoate2 May 2024US 2024/0141252 A1Infineum International Limited
- Biodegradable lubricant with tailored hydrolytic stability and improved thermal stability through alkoxylation of glycerol12 Oct 2023US 2023/0323231 A1Tetramer Technologies, LLC
- Lubricating Oil Composition15 Jun 2023US 2023/0183594 A1ExxonMobil Research and Engineering Company
Most cited
By later US patents
- Lubricating composition228US 4,956,122 AUniroyal Chemical Company, Inc. · 1990
- Video device synchronization system190US 4,532,547 AAmpex Corporation · 1985
- Polymers derived from ethylene and 1-butene for use in the preparation of lubricant dispersant additives173US 5,498,809 AExxon Chemical Patents Inc. · 1996
- Polyolefinic copolymer additives for lubricants and fuels123US 4,160,739 ARohm and Haas Company · 1979
- Modified high molecular weight succinimides114US 5,334,321 AChevron Research and Technology Company, a Division of Chevron U.S.A. Inc. · 1994