Controlled-composition capping of polyamines and capped polyamines therefrom
US-2026071134-A1 · Mar 12, 2026 · US
Polyamines
Polyamines · 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 | C10M149/22 |
| Official title | Polyamines |
| Display label | Polyamines |
| Total patents | 51 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 11 |
| 2020 | 14 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lubricating oil compositions for improved cleanliness in ammonia engines and methods of use thereof
US-2026062640-A1 · Mar 5, 2026 · US
Lubricant Compositions Providing Robust Valvetrain Wear Protection in the Ford 6.7L Engine Test
US-2025207054-A1 · Jun 26, 2025 · US
Lubricant Formulations Containing Functionalized Olefin Polymers and Reduced Traditional Dispersant
US-2025101336-A1 · Mar 27, 2025 · US
Lubricating composition for inhibiting plugging and method of inhibiting plugging using the same
US-12043812-B2 · Jul 23, 2024 · US
Transmission fluid compositions for hybrid and electric vehicle applications
US-11905488-B2 · Feb 20, 2024 · US
Lubricating oil composition for internal combustion engine
US-11732207-B2 · Aug 22, 2023 · US
Engine oils with improved viscometric performance
US-11634655-B2 · Apr 25, 2023 · US
Polymers and lubricating compositions containing polymers
US-11505650-B2 · Nov 22, 2022 · US
Super-lubricity water lubricating additive, super-lubricity water lubricant, preparation method and application
US-2022340834-A1 · Oct 27, 2022 · US
Engine oils with improved viscometric performance
US-2022315857-A1 · Oct 6, 2022 · US
Lubricating Composition for Inhibiting Plugging and Method of Inhibiting Plugging Using the Same
US-2022177803-A1 · Jun 9, 2022 · US
Lubricating oil composition for internal combustion engine
US-2022064560-A1 · Mar 3, 2022 · US
Lubricating oil additives
US-11208611-B2 · Dec 28, 2021 · US
Lubricating oil additives
US-11142721-B2 · Oct 12, 2021 · US
Polymers and Lubricating Compositions Containing Polymers
US-2021214498-A1 · Jul 15, 2021 · US
Polyolefin Dispersants and Methods of Making and Using Thereof
US-2021189030-A1 · Jun 24, 2021 · US
Lubricating oil additives
US-10876064-B2 · Dec 29, 2020 · US
Polyolefin dispersants and methods of making and using thereof
US-10875946-B2 · Dec 29, 2020 · US
Lubricating Oil Additives
US-2020369976-A1 · Nov 26, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10M149/22?
- CPC C10M149/22 is the Cooperative Patent Classification code for “Polyamines.”
- How many patents are filed under CPC C10M149/22 (Polyamines)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC C10M149/22 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).