C10N 2020/04
Molecular weight
Official title: Molecular weight; Molecular weight distribution
C10N2020/04 (Molecular weight) appears on 1,004 US grants and 1,514 published applications in this corpus.
Search patents in C10N- Granted patents
- 1,004
- Published applications
- 1,514
- Assignees
- 345
- Inventors
- 2,334
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 8 |
| 2003 | 12 | 29 |
| 2004 | 12 | 21 |
| 2005 | 7 | 21 |
| 2006 | 6 | 42 |
| 2007 | 8 | 49 |
| 2008 | 13 | 42 |
| 2009 | 13 | 54 |
| 2010 | 26 | 78 |
| 2011 | 36 | 74 |
| 2012 | 25 | 75 |
| 2013 | 70 | 66 |
| 2014 | 60 | 57 |
| 2015 | 57 | 68 |
| 2016 | 51 | 56 |
| 2017 | 48 | 91 |
| 2018 | 41 | 106 |
| 2019 | 69 | 123 |
| 2020 | 77 | 84 |
| 2021 | 73 | 66 |
| 2022 | 74 | 86 |
| 2023 | 61 | 62 |
| 2024 | 56 | 64 |
| 2025 | 54 | 65 |
| 2026 | 29 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High thermal stability lubricants6 Oct 2026US 12,753,360 B2Western Digital Technologies, Inc.
- Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium8 Sep 2026US 12,729,347 B2Resonac Corporation
- Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium25 Aug 2026US 12,715,960 B2Resonac Corporation
- Lubricant formulations containing functionalized olefin polymers and reduced traditional dispersant4 Aug 2026US 12,698,453 B2Infineum International Limited
- One-step pretreatment method of metallic substrates for metal cold forming14 Jul 2026US 12,680,048 B2Chemetall GmbH
- Water-soluble metalworking oil agent1 Oct 2026US 2026/0297450 A1Idemitsu Kosan Co., Ltd.
- Lubricant and application thereof, and preparation method10 Sep 2026US 2026/0265629 A1
- Gear oil composition10 Sep 2026US 2026/0265634 A1Eneos Corporation
- Marine diesel engine lubricating oil compositions3 Sep 2026US 2026/0258316 A1Chevron Oronite Company LLC
- Energy-saving grease composition having excellent self locking property20 Aug 2026US 2026/0242684 A1Kyodo Yushi Co., Ltd.
Most cited
By later US patents
- Process for the oligomerization of α-olefins having low unsaturation82US 6,706,828 B2Crompton Corporation · 2004
- Lubricant for magnetic disk, process for producing the same, and magnetic disk80US 8,178,480 B2WD Media (Singapore) Pte. Ltd. · 2012
- Polymers derived from olefins useful as lubricant and fuel oil additives, processes for preparation of such polymers and additives and use thereof (PT-1267)72US 5,811,379 AExxon Chemical Patents Inc. · 1998
- Magnetic disk and method of manufacturing same70US 7,105,241 B2Hoya Corporation · 2006
- Lubricant for magnetic disks, method for producing the lubricant used in the magnetic disks, and method for manufacturing the same69US 8,012,920 B2WD Media (Singapore) Pte. Ltd. · 2011