Polymer composition which can be cured at room temperature and which is made of polyaldehyde and 1,3 keto ester
US-2026028442-A1 · Jan 29, 2026 · US
Condensation polymers of aldehydes or ketones only
Condensation polymers of aldehydes or ketones only · 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 | C09D161/02 |
| Official title | Condensation polymers of aldehydes or ketones only |
| Display label | Condensation polymers of aldehydes or ketones only |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 2 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 1 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Protective coating composition for circuit board
US-12534638-B2 · Jan 27, 2026 · US
Polyamidoamine dispersants
US-12441897-B2 · Oct 14, 2025 · US
Acrylic modified polymeric opacifiers for use in organic media
US-2024093053-A1 · Mar 21, 2024 · US
Acrylic modified polymeric opacifiers for use in organic media
US-11866605-B2 · Jan 9, 2024 · US
Sol liquid, mixed liquid, coating film, method of producing sol liquid, and method of producing coating film
US-2024002572-A1 · Jan 4, 2024 · US
Protective coating composition for circuit board
US-2023117510-A1 · Apr 20, 2023 · US
Hardmask composition, hardmask layer and method of forming patterns
US-2022315790-A1 · Oct 6, 2022 · US
Thermal spray for durable and large-area hydrophobic and superhydrophobic/icephobic coatings
US-11459481-B2 · Oct 4, 2022 · US
Acrylic modified polymeric opacifiers for use in organic media
US-2022177723-A1 · Jun 9, 2022 · US
Polyamidoamine dispersants
US-2022025193-A1 · Jan 27, 2022 · US
Nonaqueous primer composition
US-2021284857-A1 · Sep 16, 2021 · US
Transient polymer formulations, articles thereof, and methods of making and using same
US-2021163731-A1 · Jun 3, 2021 · US
Functionalized ketone-aldehyde condensation resins
US-10113025-B2 · Oct 30, 2018 · US
Heat-stable particulate ink for inkjet use
US-9920208-B2 · Mar 20, 2018 · US
Dispersing resins for pigment preparations having a low volatile organic content
US-9751971-B2 · Sep 5, 2017 · US
Method for coating pipe with acid-curable resin and acid curing agent
US-9718985-B2 · Aug 1, 2017 · US
Moisture-curable fuel-resistant sealant systems
US-2017044399-A1 · Feb 16, 2017 · US
Coating material and coating method
US-2016340543-A1 · Nov 24, 2016 · US
Functionalized ketone-aldehyde condensation resins
US-2016289366-A1 · Oct 6, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09D161/02?
- CPC C09D161/02 is the Cooperative Patent Classification code for “Condensation polymers of aldehydes or ketones only.”
- How many patents are filed under CPC C09D161/02 (Condensation polymers of aldehydes or ketones only)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC C09D161/02 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).