C10M 145/16
Polycarboxylic
Official title: polycarboxylic
C10M145/16 (Polycarboxylic) appears on 202 US grants and 88 published applications in this corpus.
Search patents in C10M- Granted patents
- 202
- Published applications
- 88
- Assignees
- 85
- Inventors
- 405
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 10 | 0 |
| 1995 | 12 | 0 |
| 1996 | 9 | 0 |
| 1997 | 20 | 0 |
| 1998 | 13 | 0 |
| 1999 | 7 | 0 |
| 2000 | 11 | 0 |
| 2001 | 7 | 1 |
| 2002 | 9 | 5 |
| 2003 | 5 | 4 |
| 2004 | 3 | 5 |
| 2005 | 3 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 2 | 5 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 2 | 2 |
| 2012 | 1 | 4 |
| 2013 | 3 | 4 |
| 2014 | 0 | 4 |
| 2015 | 2 | 5 |
| 2016 | 4 | 3 |
| 2017 | 3 | 10 |
| 2018 | 3 | 5 |
| 2019 | 6 | 1 |
| 2020 | 1 | 4 |
| 2021 | 4 | 1 |
| 2022 | 3 | 0 |
| 2023 | 1 | 4 |
| 2024 | 3 | 3 |
| 2025 | 2 | 4 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lubricant formulations containing functionalized olefin polymers and reduced traditional dispersant4 Aug 2026US 12,698,453 B2Infineum International Limited
- Amine containing aqueous fluids and method of producing same24 Feb 2026US 12,559,696 B2Illinois Tool Works Inc.
- Electric vehicle grease9 Sep 2025US 12,410,377 B2Vgp Ipco LLC
- Grease composition and rolling device29 Apr 2025US 12,287,008 B2Nsk Ltd.
- Refrigerating machine oil22 Oct 2024US 12,122,976 B2Eneos Corporation
- 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
- Electric vehicle grease5 Feb 2026US 2026/0035635 A1Vgp Ipco LLC
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
- Polymeric dispersants having alternating polyalkylene and succinic groups111US 5,112,507 AChevron Research and Technology Company · 1992
- Viscosity index improver--dispersant additive useful in oil compositions107US 4,780,228 AExxon Chemical Patents Inc. · 1988
- Polyolefinic copolymer additives for lubricants and fuels81US 4,161,452 ARohm and Haas Company · 1979
- Multifunctional viscosity index improver77US 4,693,838 AExxon Chemical Patents Inc. · 1987