Metal fine particle dispersant containing branched polymer compound having ammonium group
US-2019359771-A1 · Nov 28, 2019 · US
Amines or polyamines
Amines or 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 | C09K23/16 |
| Official title | Amines or polyamines |
| Display label | Amines or polyamines |
| Total patents | 165 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 14 |
| 2017 | 21 |
| 2018 | 8 |
| 2019 | 11 |
| 2020 | 20 |
| 2021 | 16 |
| 2022 | 19 |
| 2023 | 12 |
| 2024 | 14 |
| 2025 | 15 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Acrylic acid polymers neutralized with sodium and calcium ions and having a narrow molecular weight distribution
US-2019276568-A1 · Sep 12, 2019 · US
Click-active janus particles and methods for producing and using the same
US-2019177458-A1 · Jun 13, 2019 · US
Boron nitride foam, methods of manufacture thereof, and articles containing the boron nitride foam
US-2019077661-A1 · Mar 14, 2019 · US
Dispersant for carbon fibers, carbon fiber dispersion composition, and method for manufacturing carbon fiber sheet
US-2018313037-A1 · Nov 1, 2018 · US
Dispersing resins
US-10010838-B2 · Jul 3, 2018 · US
Polyurethane-based binder dispersion
US-10005876-B2 · Jun 26, 2018 · US
Pickering emulsion and method of preparing the same
US-2018141015-A1 · May 24, 2018 · US
High oil content O/W emulsions stabilized with a hydrophobically modified inulin and a hydrophilic acrylic polymer
US-9918927-B2 · Mar 20, 2018 · US
Dispersing resins
US-2018028994-A1 · Feb 1, 2018 · US
Polyurethane-based binder dispersion
US-2018016384-A1 · Jan 18, 2018 · US
Method for reducing critical micelle concentration, and surfactant composition
US-9868097-B2 · Jan 16, 2018 · US
Tire rubber composition manufacturing method and tire rubber composition
US-2017355836-A1 · Dec 14, 2017 · US
Universal dispersant
US-2017327691-A1 · Nov 16, 2017 · US
Aqueous pigment dispersions with components to interact with cellulose
US-9815994-B2 · Nov 14, 2017 · US
Dispersants
US-2017274335-A1 · Sep 28, 2017 · US
Ethoxylate isocyanate compound and its use as a emulsifier
US-9771318-B2 · Sep 26, 2017 · US
Emulsion compositions and applications therefor
US-9751063-B2 · Sep 5, 2017 · US
Spray dried emulsifier compositions, methods for their preparation, and their use in oil-based drilling fluid compositions
US-2017247594-A1 · Aug 31, 2017 · US
Low-voc amines as a surface-active component in dispersions
US-2017226349-A1 · Aug 10, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K23/16?
- CPC C09K23/16 is the Cooperative Patent Classification code for “Amines or polyamines.”
- How many patents are filed under CPC C09K23/16 (Amines or polyamines)?
- Our database includes 165 publications tagged with this CPC code.
- Is patent activity under CPC C09K23/16 growing?
- Publication counts under this code: 14 in 2024 vs 15 in 2025 (latest complete years).