Oligobutyl benzene sulfonate for lubricants and fuels
US-2025223258-A1 · Jul 10, 2025 · US
containing sulfur atoms bound to a carbon atom of a six-membered aromatic ring
containing sulfur atoms bound to a carbon atom of a six-membered aromatic ring · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C10M135/28 |
| Official title | containing sulfur atoms bound to a carbon atom of a six-membered aromatic ring |
| Display label | containing sulfur atoms bound to a carbon atom of a six-membered aromatic ring |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 3 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat-treatment oil composition
US-2024344157-A1 · Oct 17, 2024 · US
Distillation process for producing a low TPP phenate
US-12103908-B2 · Oct 1, 2024 · US
Heat treatment oil composition
US-2023119812-A1 · Apr 20, 2023 · US
Ecofriendly and biodegradable lubricant formulation and process for preparation thereof
US-11142718-B2 · Oct 12, 2021 · US
Lubricant composition
US-2021130731-A1 · May 6, 2021 · US
Sulfurized catecholate detergents for lubricating compositions
US-10975323-B2 · Apr 13, 2021 · US
Distillation process for producing a low tpp phenate
US-2020299233-A1 · Sep 24, 2020 · US
Ecofriendly and biodegradable lubricant formulation and process for preparation thereof
US-2020299602-A1 · Sep 24, 2020 · US
Sulfurized catecholate detergents for lubricating compositions
US-2020283694-A1 · Sep 10, 2020 · US
Refrigerator lubricating oil and mixed composition for refrigerator
US-10557103-B2 · Feb 11, 2020 · US
Water-based coolant
US-10421924-B2 · Sep 24, 2019 · US
Hydroxyaromatic succinimide detergents for lubricating compositions
US-10260019-B2 · Apr 16, 2019 · US
Refrigerator lubricating oil and mixed composition for refrigerator
US-2018044608-A1 · Feb 15, 2018 · US
Hydroxyaromatic succinimide detergents for lubricating compositions
US-2018002630-A1 · Jan 4, 2018 · US
Lubricating composition containing an ashless TBN booster
US-9771541-B2 · Sep 26, 2017 · US
Water-based coolant
US-2017247633-A1 · Aug 31, 2017 · US
Metal detergents
US-9688939-B1 · Jun 27, 2017 · US
Hindered phenol compound, preparation thereof and use thereof as an antioxidant
US-9512380-B2 · Dec 6, 2016 · US
Low viscosity, low volatility lubricating oil basestocks
US-9422499-B2 · Aug 23, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10M135/28?
- CPC C10M135/28 is the Cooperative Patent Classification code for “containing sulfur atoms bound to a carbon atom of a six-membered aromatic ring.”
- How many patents are filed under CPC C10M135/28 (containing sulfur atoms bound to a carbon atom of a six-membered aromatic ring)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC C10M135/28 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).