C10M 2221/041
Involving sulfurisation of macromolecular compounds
Official title: involving sulfurisation of macromolecular compounds, e.g. polyolefins
C10M2221/041 (Involving sulfurisation of macromolecular compounds) appears on 164 US grants and 29 published applications in this corpus.
Search patents in C10M- Granted patents
- 164
- Published applications
- 29
- Assignees
- 62
- Inventors
- 247
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 15 | 0 |
| 1979 | 14 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 11 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 8 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 1 |
| 2002 | 1 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 2 | 1 |
| 2017 | 3 | 1 |
| 2018 | 0 | 2 |
| 2019 | 0 | 2 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Enhanced lubricant composition24 Mar 2026US 12,584,076 B2Graphene Manufacturing Group LTD
- Basic ashless additives and lubricating compositions containing same29 Jul 2025US 12,371,631 B2The Lubrizol Corporation
- Extreme pressure additives with improved copper corrosion16 Jan 2024US 11,873,461 B1Afton Chemical Corporation
- Oil compositions14 Feb 2023US 11,578,288 B2Infineum International Limited
- Constant velocity joint having a boot18 Oct 2022US 11,473,032 B2Fuchs Petrolub SE
- Lubricating Composition With Phenolic Antioxidant And Low Active Sulfur13 Aug 2026US 2026/0234492 A1The Lubrizol Corporation
- Enhanced lubricant composition4 Sep 2025US 2025/0277161 A1Graphene Manufacturing Group LTD
- Basic Ashless Additives And Lubricating Compositions Containing Same14 Mar 2024US 2024/0084211 A1The Lubrizol Corporation
- Oil Compositions16 Dec 2021US 2021/0388284 A1Infineum International Limited
- Low Disperant Lubricant Composition25 Jun 2020US 2020/0199479 A1The Lubrizol Corporation
Most cited
By later US patents
- Visco-elastic, isotropic materials based on water, fluorinate sufactants and fluorinated oils, process for their preparation, and their use in various fields, such as optics, pharmacology and electrodynamics274US 5,185,099 AInstitut National de Recherche Chimique Appliquee · 1993
- Sulfurized compositions102US 4,119,549 AThe Lubrizol Corporation · 1978
- Highly grafted, multi-functional olefin copolymer VI modifiers93US 6,107,257 AEthyl Corporation · 2000
- Ethylene .alpha.-olefin block copolymers and methods for production thereof83US 5,733,980 AExxon Chemical Patents Inc. · 1998
- Sulfurized compositions74US 4,191,659 AThe Lubrizol Corporation · 1980