C08L 2203/40
Used as motor oil additive
Official title: used as motor oil additive
C08L2203/40 (Used as motor oil additive) appears on 24 US grants and 17 published applications in this corpus.
Search patents in C08L- Granted patents
- 24
- Published applications
- 17
- Assignees
- 28
- Inventors
- 84
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 3 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 2 |
| 2020 | 1 | 4 |
| 2021 | 2 | 0 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Viscosity index improver and lubricating oil composition25 Mar 2025US 12,258,534 B2Sanyo Chemical Industries, Ltd.
- Thermoassociative additive compositions, the association of which is controlled, and lubricating compositions containing same3 May 2022US 11,319,503 B2Centre National De La Recherche Scientifique
- Aqueous polymer dispersions, a method for their preparation and the use thereof as pour-point depressants for crude oil, petroleum, and petroleum products1 Mar 2022US 11,261,392 B2BASF SE
- Comb polymers comprising imide functionality27 Jul 2021US 11,072,677 B2Evonik Operations GmbH
- Vinyl-based comb polymer6 Apr 2021US 10,968,413 B2Kaneka Corporation
- Ethylene resin composition and shaped article13 Jun 2024US 2024/0191068 A1Mitsui Chemicals, Inc.
- Viscosity index improver and lubricating oil composition12 Oct 2023US 2023/0323241 A1Sanyo Chemical Industries, Ltd.
- Novel copolymer and use thereof as a fuel additive19 Nov 2020US 2020/0362083 A1Total Marketing Services
- Aqueous polymer dispersions, a method for their preparation and the use thereof as pour-point depressants for crude oil, petroleum, and petroleum products17 Sep 2020US 2020/0291319 A1BASF SE
- Comb Polymers Comprising Imide Functionality9 Jul 2020US 2020/0216596 A1Evonik Operations GmbH
Most cited
By later US patents
- Visosity index improver74US 5,068,047 AExxon Chemical Patents Inc. · 1991
- Lubricating oil compositions containing ethylene-alpha-olefin polymers of controlled sequence distribution and molecular heterogeneity51US 4,507,515 AExxon Research & Engineering Co. · 1985
- Functionalized olefin copolymer additives48US 6,107,258 ADsm N. V. · 2000
- Solid sheared polymer blends and process for their preparation30US 5,391,617 ADSM Copolymer, Inc. · 1995
- Sheared polymer blends and process for their preparation21US 5,837,773 ADSM Copolymer, Inc. · 1998