C10M 129/52
Polycarboxylic
Official title: polycarboxylic
C10M129/52 (Polycarboxylic) appears on 32 US grants and 14 published applications in this corpus.
Search patents in C10M- Granted patents
- 32
- Published applications
- 14
- Assignees
- 22
- Inventors
- 81
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 3 |
| 2024 | 1 | 2 |
| 2025 | 4 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lubricating oil compositions and use thereof for improving journal bearing wear in internal combustion engines2 Jun 2026US 12,644,066 B2Infineum International Limited
- Lubricating oil compositions25 Nov 2025US 12,480,067 B2Infineum International Limited
- Agent, oil country tubular goods, and threaded joint for oil country tubular goods21 Oct 2025US 12,448,581 B2Jfe Steel Corporation
- Lubricating oil composition19 Aug 2025US 12,391,897 B2Idemitsu Kosan Co., Ltd.
- Method for using lubricating oil composition and method for evaluating degradation11 Feb 2025US 12,222,344 B2Idemitsu Kosan Co., Ltd.
- Lubricating oil compositions and use thereof for improving journal bearing wear in internal combustion engines10 Apr 2025US 2025/0115821 A1Infineum International Limited
- Agent, oil country tubular goods, and threaded joint for oil country tubular goods1 Aug 2024US 2024/0254405 A1Jfe Steel Corporation
- Lubricating Oil Compositions2 May 2024US 2024/0141250 A1Infineum International Limited
- Lubricant composition for plastic working15 Jun 2023US 2023/0183598 A1Moresco Corporation
- Method for using lubricating oil composition and method for evaluating degradation23 Feb 2023US 2023/0057229 A1Idemitsu Kosan Co., Ltd.
Most cited
By later US patents
- Metalworking lubricant composition containing a novel substituted malonic acid diester57US 4,517,105 AAluminum Company of America · 1985
- Polyalkylene succinimides and post-treated derivatives thereof54US 5,716,912 AChevron Chemical Company · 1998
- Lubricating oil containing a boron compound and corrosion inhibitors29US 4,410,436 AUnion Oil Company of California · 1983
- Anti-oxidation and corrosion inhibitors for boron-containing lubricants27US 4,427,560 AUnion Oil Company of California · 1984
- Oxidation and corrosion inhibitors for boron-containing lubricants27US 4,623,474 AUnion Oil Company of California · 1986