C10M 2207/289
Containing free hydroxy groups
Official title: containing free hydroxy groups
C10M2207/289 (Containing free hydroxy groups) appears on 1,311 US grants and 935 published applications in this corpus.
Search patents in C10M- Granted patents
- 1,311
- Published applications
- 935
- Assignees
- 404
- Inventors
- 2,334
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 23 | 0 |
| 1978 | 26 | 0 |
| 1979 | 26 | 0 |
| 1980 | 25 | 0 |
| 1981 | 20 | 0 |
| 1982 | 17 | 0 |
| 1983 | 24 | 0 |
| 1984 | 13 | 0 |
| 1985 | 10 | 0 |
| 1986 | 13 | 0 |
| 1987 | 16 | 0 |
| 1988 | 14 | 0 |
| 1989 | 31 | 0 |
| 1990 | 34 | 0 |
| 1991 | 30 | 0 |
| 1992 | 33 | 0 |
| 1993 | 32 | 0 |
| 1994 | 32 | 0 |
| 1995 | 40 | 0 |
| 1996 | 39 | 0 |
| 1997 | 50 | 0 |
| 1998 | 48 | 0 |
| 1999 | 38 | 0 |
| 2000 | 27 | 0 |
| 2001 | 33 | 2 |
| 2002 | 21 | 25 |
| 2003 | 24 | 29 |
| 2004 | 21 | 36 |
| 2005 | 13 | 45 |
| 2006 | 7 | 52 |
| 2007 | 14 | 34 |
| 2008 | 8 | 55 |
| 2009 | 16 | 46 |
| 2010 | 38 | 59 |
| 2011 | 33 | 49 |
| 2012 | 47 | 65 |
| 2013 | 37 | 40 |
| 2014 | 39 | 45 |
| 2015 | 43 | 57 |
| 2016 | 30 | 52 |
| 2017 | 38 | 39 |
| 2018 | 32 | 30 |
| 2019 | 22 | 32 |
| 2020 | 25 | 22 |
| 2021 | 20 | 28 |
| 2022 | 18 | 18 |
| 2023 | 14 | 24 |
| 2024 | 10 | 20 |
| 2025 | 16 | 23 |
| 2026 | 14 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Magnesium sulfonate detergent having improved compatibility with friction modifiers6 Oct 2026US 12,753,362 B2Afton Chemical Corporation
- Lubricating oil compositions and use thereof for improving journal bearing durability in internal combustion engines2 Jun 2026US 12,644,067 B2Infineum International Limited
- Detergent-free and low-ash lubricating composition19 May 2026US 12,630,778 B2Afton Chemical Corporation
- Conveyor lubricants including emulsion of a lipophilic compound and an emulsifier and/or an anionic surfactant and methods employing them12 May 2026US 12,624,305 B2Ecolab USA Inc.
- Lubrication of transfer plates using an oil or oil in water emulsions12 May 2026US 12,624,307 B2Ecolab USA Inc.
- Control method for circulation and reclamation of industrial oil, control system for circulation and reclamation of industrial oil, and production method for reclaimed industrial oil composition1 Oct 2026US 2026/0297453 A1Citizen Watch Co., Ltd.
- Lubricating Composition With Phenolic Antioxidant And Low Active Sulfur13 Aug 2026US 2026/0234492 A1The Lubrizol Corporation
- Lubricant Compositions Containing Phenolic Antioxidants and Alkyl Alcohols For Use in Internal Combustion Engines23 Jul 2026US 2026/0209626 A1
- Rust-preventive lubricating oil composition21 May 2026US 2026/0139196 A1Hi-Lex Corporation
- Hydraulic fluid composition21 May 2026US 2026/0139197 A1The Lubrizol Corporation
Most cited
By later US patents
- Refrigerator oil, compressor oil composition, hydraulic fluid composition, metalworking fluid composition, heat treatment oil composition, lubricant composition for machine tool and lubricant composition779US 8,193,129 B2Nippon Oil Co., Ltd. · 2012
- Novel carboxylic acid acylating agents, derivatives thereof, concentrate and lubricant compositions containing the same, and processes for their preparation764US 4,234,435 AThe Lubrizol Corporation · 1980
- Lubricating composition228US 4,956,122 AUniroyal Chemical Company, Inc. · 1990
- Lubricative coating composition, article and assembly containing same and method thereof210US 5,266,359 ABecton, Dickinson and Company · 1993
- Video device synchronization system190US 4,532,547 AAmpex Corporation · 1985