C10M 171/04
Specified molecular weight or molecular weight distribution
C10M171/04 (Specified molecular weight or molecular weight distribution) appears on 46 US grants and 49 published applications in this corpus.
Search patents in C10M- Granted patents
- 46
- Published applications
- 49
- Assignees
- 34
- Inventors
- 123
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 3 |
| 2008 | 1 | 2 |
| 2009 | 2 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 6 |
| 2012 | 0 | 0 |
| 2013 | 4 | 2 |
| 2014 | 4 | 1 |
| 2015 | 1 | 0 |
| 2016 | 2 | 1 |
| 2017 | 1 | 4 |
| 2018 | 1 | 4 |
| 2019 | 2 | 8 |
| 2020 | 7 | 2 |
| 2021 | 1 | 1 |
| 2022 | 2 | 1 |
| 2023 | 2 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lubricating oil composition10 Feb 2026US 12,545,850 B2Idemitsu Kosan Co., Ltd.
- Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium15 Apr 2025US 12,275,911 B2Resonac Corporation
- Polymer composition, lubricant additive, viscosity index improver, lubricant composition, method for producing polymer composition, and method for producing macromonomer8 Oct 2024US 12,110,469 B2Mitsubishi Chemical Corporation
- Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium19 Dec 2023US 11,845,906 B2Resonac Corporation
- Lubricant composition and lubricating oil composition containing said lubricant composition19 Sep 2023US 11,760,954 B2Adeka Corporation
- Polyalkyl (meth)acrylate-based polymers with improved low temperature properties1 Oct 2026US 2026/0297236 A1Evonik Operations GmbH
- Diblock and triblock copolymer concentrates for lubricating oil compositions14 May 2026US 2026/0132349 A1Infineum International Limited
- Lubricating oil composition13 Mar 2025US 2025/0084339 A1Idemitsu Kosan Co., Ltd.
- Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium1 Aug 2024US 2024/0254403 A1Resonac Corporation
- Lubricant composition13 Apr 2023US 2023/0115470 A1Idemitsu Kosan Co., Ltd.
Most cited
By later US patents
- Narrow MWD alpha-olefin copolymers206US 4,540,753 AExxon Research & Engineering Co. · 1985
- Magnetic disk and method of manufacturing same70US 7,105,241 B2Hoya Corporation · 2006
- Copolymer compositions containing a narrow MWD component and process of making same44US 4,874,820 AExxon Research & Engineering Co. · 1989
- Viscosity index improver for lubricant compositions44US 7,662,881 B2Dow Global Technologies LLC · 2010
- Lens oil having a narrow molecular weight distribution for intraocular lens devices29US 10,526,353 B2LensGen, Inc. · 2020