C10M 2209/086
Polycarboxylic
Official title: polycarboxylic, e.g. maleic acid
C10M2209/086 (Polycarboxylic) appears on 641 US grants and 264 published applications in this corpus.
Search patents in C10M- Granted patents
- 641
- Published applications
- 264
- Assignees
- 195
- Inventors
- 1,022
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 15 | 0 |
| 1978 | 20 | 0 |
| 1979 | 18 | 0 |
| 1980 | 10 | 0 |
| 1981 | 13 | 0 |
| 1982 | 3 | 0 |
| 1983 | 12 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 15 | 0 |
| 1989 | 21 | 0 |
| 1990 | 27 | 0 |
| 1991 | 21 | 0 |
| 1992 | 21 | 0 |
| 1993 | 25 | 0 |
| 1994 | 33 | 0 |
| 1995 | 25 | 0 |
| 1996 | 21 | 0 |
| 1997 | 30 | 0 |
| 1998 | 31 | 0 |
| 1999 | 23 | 0 |
| 2000 | 25 | 0 |
| 2001 | 15 | 4 |
| 2002 | 14 | 13 |
| 2003 | 15 | 12 |
| 2004 | 8 | 9 |
| 2005 | 5 | 11 |
| 2006 | 2 | 8 |
| 2007 | 3 | 23 |
| 2008 | 5 | 15 |
| 2009 | 4 | 21 |
| 2010 | 10 | 10 |
| 2011 | 15 | 6 |
| 2012 | 6 | 10 |
| 2013 | 9 | 12 |
| 2014 | 5 | 10 |
| 2015 | 7 | 10 |
| 2016 | 11 | 6 |
| 2017 | 7 | 14 |
| 2018 | 6 | 11 |
| 2019 | 4 | 6 |
| 2020 | 5 | 15 |
| 2021 | 9 | 6 |
| 2022 | 7 | 5 |
| 2023 | 7 | 8 |
| 2024 | 7 | 1 |
| 2025 | 4 | 12 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lubricant formulations containing functionalized olefin polymers and reduced traditional dispersant4 Aug 2026US 12,698,453 B2Infineum International Limited
- Base oil and lubricating fluid composition containing said base oil17 Mar 2026US 12,577,491 B2Fuchs SE
- Microencapsulation of friction modifier additives and other additives for performance enhancement in automotive and industrial applications3 Feb 2026US 12,540,291 B2The George Washington University
- Lubricant composition and use thereof11 Nov 2025US 12,467,011 B2Klueber Lubrication Muenchen SE & Co. KG
- Electric vehicle grease9 Sep 2025US 12,410,377 B2Vgp Ipco LLC
- Lubricant Compositions Containing Phenolic Antioxidants and Alkyl Alcohols For Use in Internal Combustion Engines23 Jul 2026US 2026/0209626 A1
- Maleic acid-based additive, grease composition, and rolling bearing23 Jul 2026US 2026/0209628 A1DIC Corporation
- Hydraulic fluid composition21 May 2026US 2026/0139197 A1The Lubrizol Corporation
- Lubricating oil compositions14 May 2026US 2026/0132352 A1
- Lubricant Compositions Containing High C9 Disubstituted Diphenylamine Antioxidant Content and Low Mono- and Tri-substituted Diphenylamine Antioxidant Content23 Apr 2026US 2026/0109910 A1
Most cited
By later US patents
- 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
- Water-dispersible hydrophobic thickening agent122US 4,432,881 AThe Dow Chemical Company · 1984
- Coating and bonding composition115US 5,286,393 AJet-Lube, Inc. · 1994
- Coating and bonding composition113US 5,348,668 AJet-Lube, Inc. · 1994