Stable waterborne polyurethane/clay nanocomposite
US-2019367686-A1 · Dec 5, 2019 · 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 | C08G18/3225 |
| Official title | {Polyamines} |
| Display label | Polyamines |
| Total patents | 184 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 10 |
| 2017 | 11 |
| 2018 | 11 |
| 2019 | 20 |
| 2020 | 11 |
| 2021 | 31 |
| 2022 | 23 |
| 2023 | 22 |
| 2024 | 16 |
| 2025 | 13 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Two part sole structures and uses thereof
US-2019365028-A1 · Dec 5, 2019 · US
Graphene-enabled method of inhibiting metal corrosion
US-2019345345-A1 · Nov 14, 2019 · US
Xylylenediisocyanate composition, xylylenediisocyanate-modified composition, two-component resin material, and resin
US-2019292304-A1 · Sep 26, 2019 · US
Urethane resin comprising a polyrotaxane and polishing pad
US-2019263961-A1 · Aug 29, 2019 · US
Semiconductor device manufacturing method
US-2019181039-A1 · Jun 13, 2019 · US
Coreactive materials and methods for three-dimensional printing
US-2019169449-A1 · Jun 6, 2019 · US
Coreactive materials and methods for three-dimensional printing
US-10253195-B2 · Apr 9, 2019 · US
Methods for cross-linking thermoplastic polyurethane covers for golf balls
US-2019083852-A1 · Mar 21, 2019 · US
One component polyurethane dispersion for vinyl windows and other substrates
US-2019040180-A1 · Feb 7, 2019 · US
One component polyurethane dispersion for vinyl windows and other substrates
US-2019040291-A1 · Feb 7, 2019 · US
One component polyurethane dispersion for vinyl windows
US-2019040252-A1 · Feb 7, 2019 · US
One component polyurethane dispersion for vinyl windows, glass, and other substrates
US-2019039361-A1 · Feb 7, 2019 · US
Polycarbamide resins for metal coating applications
US-2019031814-A1 · Jan 31, 2019 · US
Low-solvent coating systems for textiles
US-2019017221-A1 · Jan 17, 2019 · US
Resin composition
US-2018371146-A1 · Dec 27, 2018 · US
Chemical mechanical polishing pad
US-2018361531-A1 · Dec 20, 2018 · US
Method of bonding to foil
US-10138401-B2 · Nov 27, 2018 · US
Thermoplastic compositions, methods, apparatus, and uses
US-2018312667-A1 · Nov 1, 2018 · US
Polyurethane fiber including copolymer polyol
US-2018305842-A1 · Oct 25, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G18/3225?
- CPC C08G18/3225 is the Cooperative Patent Classification code for “Polyamines.”
- How many patents are filed under CPC C08G18/3225 (Polyamines)?
- Our database includes 184 publications tagged with this CPC code.
- Is patent activity under CPC C08G18/3225 growing?
- Publication counts under this code: 16 in 2024 vs 13 in 2025 (latest complete years).