C10M 2221/00
Organic macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant
Official title: Organic macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
C10M2221/00 (Organic macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant) appears on 687 US grants and 178 published applications in this corpus.
Search patents in C10M- Granted patents
- 687
- Published applications
- 178
- Assignees
- 222
- Inventors
- 1,046
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 44 | 0 |
| 1977 | 29 | 0 |
| 1978 | 40 | 0 |
| 1979 | 42 | 0 |
| 1980 | 21 | 0 |
| 1981 | 16 | 0 |
| 1982 | 16 | 0 |
| 1983 | 11 | 0 |
| 1984 | 15 | 0 |
| 1985 | 10 | 0 |
| 1986 | 15 | 0 |
| 1987 | 17 | 0 |
| 1988 | 20 | 0 |
| 1989 | 20 | 0 |
| 1990 | 36 | 0 |
| 1991 | 26 | 0 |
| 1992 | 22 | 0 |
| 1993 | 33 | 0 |
| 1994 | 27 | 0 |
| 1995 | 22 | 0 |
| 1996 | 12 | 0 |
| 1997 | 16 | 0 |
| 1998 | 17 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 16 | 2 |
| 2002 | 14 | 6 |
| 2003 | 5 | 3 |
| 2004 | 4 | 4 |
| 2005 | 2 | 5 |
| 2006 | 1 | 5 |
| 2007 | 2 | 12 |
| 2008 | 2 | 8 |
| 2009 | 0 | 6 |
| 2010 | 4 | 11 |
| 2011 | 7 | 5 |
| 2012 | 5 | 11 |
| 2013 | 9 | 14 |
| 2014 | 6 | 11 |
| 2015 | 2 | 1 |
| 2016 | 7 | 6 |
| 2017 | 6 | 5 |
| 2018 | 5 | 6 |
| 2019 | 3 | 14 |
| 2020 | 4 | 9 |
| 2021 | 11 | 6 |
| 2022 | 6 | 3 |
| 2023 | 6 | 6 |
| 2024 | 4 | 5 |
| 2025 | 4 | 10 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C10M 2221/04Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bondsIndexing code385
- C10M 2221/02Macromolecular compounds obtained by reactions of monomers involving only carbon-to-carbon unsaturated bondsIndexing code249
- C10M 2221/003Used as base materialIndexing code19
- C10M 2221/006Used as thickening agentsIndexing code0
Recent patents
- Particle-containing resin composition and molded product25 Aug 2026US 12,715,978 B2DIC Corporation
- Transmission lubricants containing molybdenum19 May 2026US 12,630,779 B2Afton Chemical Corporation
- Lubricating compositions14 Apr 2026US 12,600,919 B2Syensqo Specialty Polymers USA, LLC
- Enhanced lubricant composition24 Mar 2026US 12,584,076 B2Graphene Manufacturing Group LTD
- Coating material composition, coating film, and coated article20 Jan 2026US 12,528,962 B2Daikin Industries, Ltd.
- Energy-saving grease composition having excellent self locking property20 Aug 2026US 2026/0242684 A1Kyodo Yushi Co., Ltd.
- Lubricating Composition With Phenolic Antioxidant And Low Active Sulfur13 Aug 2026US 2026/0234492 A1The Lubrizol Corporation
- Lubricant composition30 Jul 2026US 2026/0218079 A1SYENSQO SPECIALTY POLYMERS ITALY S.p.A.
- Lubricant compositions and methods of lubricating internal combustion engines4 Jun 2026US 2026/0152698 A1The Lubrizol Corporation
- Polyisobutyl benzene sulfonate for lubricants and fuels27 Nov 2025US 2025/0361336 A1BASF SE
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
- 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
- Water-dispersible hydrophobic thickening agent122US 4,432,881 AThe Dow Chemical Company · 1984
- Novel VI improver, dispersant, and anti-oxidant additive and lubricating oil composition containing same122US 4,863,623 ATexaco Inc. · 1989