C10M 105/32
Esters
C10M105/32 (Esters) appears on 1,093 US grants and 859 published applications in this corpus.
Search patents in C10M- Granted patents
- 1,093
- Published applications
- 859
- Assignees
- 453
- Inventors
- 2,105
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 12 | 0 |
| 1979 | 11 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 9 | 0 |
| 1983 | 3 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 12 | 0 |
| 1989 | 20 | 0 |
| 1990 | 16 | 0 |
| 1991 | 21 | 0 |
| 1992 | 22 | 0 |
| 1993 | 15 | 0 |
| 1994 | 32 | 0 |
| 1995 | 46 | 0 |
| 1996 | 43 | 0 |
| 1997 | 43 | 0 |
| 1998 | 49 | 0 |
| 1999 | 35 | 0 |
| 2000 | 23 | 0 |
| 2001 | 44 | 13 |
| 2002 | 33 | 28 |
| 2003 | 25 | 28 |
| 2004 | 17 | 24 |
| 2005 | 12 | 19 |
| 2006 | 10 | 10 |
| 2007 | 8 | 9 |
| 2008 | 4 | 15 |
| 2009 | 7 | 24 |
| 2010 | 8 | 21 |
| 2011 | 9 | 28 |
| 2012 | 21 | 21 |
| 2013 | 20 | 47 |
| 2014 | 32 | 36 |
| 2015 | 14 | 34 |
| 2016 | 41 | 68 |
| 2017 | 46 | 57 |
| 2018 | 43 | 70 |
| 2019 | 42 | 46 |
| 2020 | 38 | 50 |
| 2021 | 29 | 53 |
| 2022 | 45 | 41 |
| 2023 | 28 | 27 |
| 2024 | 23 | 30 |
| 2025 | 15 | 36 |
| 2026 | 21 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ester compound and preparation method therefor and uses thereof6 Oct 2026US 12,753,143 B2China Petroleum & Chemical Corporation
- Heterogeneous catalyst for transesterification and method of preparing same18 Aug 2026US RE50,994 E1Crystaphase Products, Inc.
- Refrigeration cycle device and compressor28 Jul 2026US 12,692,455 B2Mitsubishi Electric Corporation
- Lubricating oil composition7 Jul 2026US 12,674,112 B2Idemitsu Kosan Co., Ltd.
- Aryl-PAG monoesters as lubricating oil base stocks30 Jun 2026US 12,668,754 B2Dow Global Technologies LLC
- Water-soluble metalworking oil agent1 Oct 2026US 2026/0297450 A1Idemitsu Kosan Co., Ltd.
- Lubricant and application thereof, and preparation method10 Sep 2026US 2026/0265629 A1
- Raw material of grease, method for producing raw material of grease, method for producing grease, and grease10 Sep 2026US 2026/0265638 A1Jtekt Corporation
- Shock absorber and hydraulic oil for shock absorber20 Aug 2026US 2026/0242689 A1Astemo, Ltd.
- Refrigeration oil, composition for refrigerator, and heat pump including the same20 Aug 2026US 2026/0242691 A1SK Innovation Co., Ltd.
Most cited
By later US patents
- Coating and bonding composition115US 5,286,393 AJet-Lube, Inc. · 1994
- Coating and bonding composition113US 5,348,668 AJet-Lube, Inc. · 1994
- Lubricants for refrigeration compressors105US 4,851,144 AThe Dow Chemical Company · 1989
- Traction drive fluid86US 6,242,393 B1Nippon Mitsubishi Oil Corporation · 2001
- High performance engine oil86US 6,713,438 B1Mobil Oil Corporation · 2004