Amine salts for use in gasoline engines
US-11208603-B2 · Dec 28, 2021 · US
of di- or polyhydroxyalcohols
of di- or polyhydroxyalcohols · 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 | C10L1/191 |
| Official title | {of di- or polyhydroxyalcohols} |
| Display label | of di- or polyhydroxyalcohols |
| Total patents | 96 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 8 |
| 2017 | 11 |
| 2018 | 6 |
| 2019 | 11 |
| 2020 | 11 |
| 2021 | 12 |
| 2022 | 8 |
| 2023 | 11 |
| 2024 | 6 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fuel compositions, methods and uses relating to quaternary ammonium salt additives for fuel used in spark ignition engines
US-11174442-B2 · Nov 16, 2021 · US
Quaternary Ammonium Compound and Fuel Composition
US-2021348074-A1 · Nov 11, 2021 · US
Lubricity and conductivity improver additive for ultra low sulfur diesel fuels
US-11149223-B2 · Oct 19, 2021 · US
Method and use
US-11085000-B2 · Aug 10, 2021 · US
Polymeric anti-agglomerant hydrate inhibitor
US-2021179774-A1 · Jun 17, 2021 · US
Method and use
US-2020377811-A1 · Dec 3, 2020 · US
Method and use to prevent deposits in engine
US-2020377810-A1 · Dec 3, 2020 · US
Methods of refining a grain oil composition to make one or more grain oil products, and related systems
US-2020339910-A1 · Oct 29, 2020 · US
Combination of fuel additives
US-10767126-B2 · Sep 8, 2020 · US
Amine salts for use in gasoline engines
US-2020255756-A1 · Aug 13, 2020 · US
Method of refining a grain oil composition to make one or more grain oil products, and related systems
US-10711221-B2 · Jul 14, 2020 · US
Method and use
US-2020123461-A1 · Apr 23, 2020 · US
Method and composition for preventing or reducing engine knock and pre-ignition in high compression spark ignition engines
US-10604720-B2 · Mar 31, 2020 · US
Prevention of surge wave instabilities in three phase gas condensate flowlines
US-10556210-B2 · Feb 11, 2020 · US
Method and use
US-2020024532-A1 · Jan 23, 2020 · US
Composition of additives and high-performance fuel comprising such a composition
US-10533144-B2 · Jan 14, 2020 · US
Fuel additives
US-2019382673-A1 · Dec 19, 2019 · US
Utilization of transgenic high oleic soybean oil in industrial applications
US-10479952-B2 · Nov 19, 2019 · US
Method and composition for preventing or reducing engine knock and pre-ignition in high compression spark ignition engines
US-2019338213-A1 · Nov 7, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10L1/191?
- CPC C10L1/191 is the Cooperative Patent Classification code for “of di- or polyhydroxyalcohols.”
- How many patents are filed under CPC C10L1/191 (of di- or polyhydroxyalcohols)?
- Our database includes 96 publications tagged with this CPC code.
- Is patent activity under CPC C10L1/191 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).