C10M 143/02
Polyethylene
C10M143/02 (Polyethylene) appears on 269 US grants and 69 published applications in this corpus.
Search patents in C10M- Granted patents
- 269
- Published applications
- 69
- Assignees
- 88
- Inventors
- 453
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 9 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 15 | 0 |
| 1990 | 14 | 0 |
| 1991 | 12 | 0 |
| 1992 | 15 | 0 |
| 1993 | 16 | 0 |
| 1994 | 18 | 0 |
| 1995 | 15 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 16 | 0 |
| 1999 | 7 | 0 |
| 2000 | 14 | 0 |
| 2001 | 9 | 2 |
| 2002 | 7 | 6 |
| 2003 | 6 | 5 |
| 2004 | 6 | 3 |
| 2005 | 2 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 2 | 3 |
| 2018 | 0 | 4 |
| 2019 | 0 | 12 |
| 2020 | 4 | 4 |
| 2021 | 3 | 7 |
| 2022 | 5 | 7 |
| 2023 | 5 | 1 |
| 2024 | 2 | 5 |
| 2025 | 4 | 2 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ethylene copolymers and use as viscosity modifiers7 Apr 2026US 12,595,324 B2Chevron Oronite Company LLC
- Thermally stable, low traction coefficient lubricant3 Feb 2026US 12,540,288 B2The Lubrizol Corporation
- Lubricating oil compositions25 Nov 2025US 12,480,067 B2Infineum International Limited
- Viscosity modifier for lubricating oil and lubricating oil composition for hydraulic fluid26 Aug 2025US 12,398,338 B2Mitsui Chemicals, Inc.
- Lubricating oils with viscosity index improver concentrates24 Jun 2025US 12,338,409 B2Kraton Chemical, LLC
- Variable viscosity index lubricating greases1 Oct 2026US 2026/0297451 A1Vgp Ipco LLC
- Methods of forming lubricious coated medical devices25 Jun 2026US 2026/0176548 A1Boston Scientific Scimed, Inc.
- Self-lubricating liners free of polyfluoroalkyl substances (pfas)9 Apr 2026US 2026/0098227 A1Roller Bearing Company of America, Inc.
- Lubricating oil viscosity index improver and lubricating oil composition containing the same19 Jun 2025US 2025/0197757 A1DL Chemical CO., LTD.
- Bimodal copolymer compositions useful as oil modifiers and lubricating oils comprising the same30 Jan 2025US 2025/0034477 A1Chevron Oronite Company LLC
Most cited
By later US patents
- Narrow MWD alpha-olefin copolymers206US 4,540,753 AExxon Research & Engineering Co. · 1985
- Polymers derived from ethylene and 1-butene for use in the preparation of lubricant dispersant additives173US 5,498,809 AExxon Chemical Patents Inc. · 1996
- Ethylene copolymer viscosity index improver-dispersant additive useful in oil compositions124US 4,517,104 AExxon Research & Engineering Co. · 1985
- Polyolefinic copolymer additives for lubricants and fuels123US 4,160,739 ARohm and Haas Company · 1979
- Novel VI improver, dispersant, and anti-oxidant additive and lubricating oil composition containing same122US 4,863,623 ATexaco Inc. · 1989