C10M 129/42
Polycarboxylic
Official title: polycarboxylic
C10M129/42 (Polycarboxylic) appears on 118 US grants and 41 published applications in this corpus.
Search patents in C10M- Granted patents
- 118
- Published applications
- 41
- Assignees
- 70
- Inventors
- 311
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 3 |
| 2003 | 3 | 2 |
| 2004 | 2 | 0 |
| 2005 | 1 | 3 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 3 |
| 2018 | 0 | 7 |
| 2019 | 1 | 1 |
| 2020 | 4 | 3 |
| 2021 | 3 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
| 2025 | 2 | 5 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Friction modifiers with improved frictional properties and lubricating compositions containing the same18 Nov 2025US 12,473,508 B2The Lubrizol Corporation
- Lubricating oil composition for hybrid vehicles12 Aug 2025US 12,384,981 B2Chevron Japan Ltd.
- Low ash lubricating compositions for controlling steel corrosion19 Nov 2024US 12,146,115 B2Afton Chemical Corporation
- Coolant for composite materials12 Apr 2022US 11,299,691 B2Rhenus Lub GmbH & Co KG
- Additive composition for hydraulic fluids or heat transfer fluids5 Apr 2022US 11,292,984 B2
- Aqueous lubricant for metalworking13 Aug 2026US 2026/0234501 A1Totalenergies Onetech
- Increased electric conductivity of a lubricant with amphiphilic amine and amphiphilic acid4 Sep 2025US 2025/0277163 A1BASF SE
- Water-soluble lubricant24 Jul 2025US 2025/0236808 A1Idemitsu Kosan Co., Ltd.
- Ashless ionic liquid3 Jul 2025US 2025/0215346 A1Petroliam Nasional Berhad (Petronas)
- Grease composition26 Jun 2025US 2025/0207051 A1Kyodo Yushi Co., Ltd.
Most cited
By later US patents
- Lubricating oil composition53US 5,064,546 AIdemitsu Kosan Co., Ltd. · 1991
- Synthetic lubricating oils53US 5,262,076 ANippon Oil Co., Ltd. · 1993
- Pour point depressants for high monounsaturated vegetable oils and for high monounsaturated vegetable oils/biodegradable base and fluid mixtures49US 5,413,725 AThe Lubrizol Corporation · 1995
- Metalworking with an aqueous synthetic lubricant containing polyoxypropylene-polyoxyethylene-polyoxypropylene block copolymers39US 4,452,712 AAluminum Company of America · 1984
- Lubricating oil compositions and concentrates36US 4,957,649 AThe Lubrizol Corporation · 1990