Process for Producing Polymer Compositions
US-2017362350-A1 · Dec 21, 2017 · US
Condensation polymers of aldehydes or ketones with phenols only
Condensation polymers of aldehydes or ketones with phenols 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 | C08L61/04 |
| Official title | Condensation polymers of aldehydes or ketones with phenols only |
| Display label | Condensation polymers of aldehydes or ketones with phenols only |
| Total patents | 196 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 22 |
| 2017 | 23 |
| 2018 | 21 |
| 2019 | 30 |
| 2020 | 17 |
| 2021 | 14 |
| 2022 | 14 |
| 2023 | 12 |
| 2024 | 15 |
| 2025 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Resin composition for printed wiring board, prepreg, metal foil-clad laminate, resin sheet, and printed wiring board
US-2017332487-A1 · Nov 16, 2017 · US
Resin composition, method for producing heat-resistant resin film, and display device
US-2017299965-A1 · Oct 19, 2017 · US
Tire laminate, inner liner material for tire, and pneumatic tire
US-2017282646-A1 · Oct 5, 2017 · US
Modified novolak phenolic resin, making method, and resist composition
US-9777102-B2 · Oct 3, 2017 · US
Thermosetting resin composition
US-2017275461-A1 · Sep 28, 2017 · US
Adhesive formulation and also method for the treatment of reinforcing inserts
US-9771502-B2 · Sep 26, 2017 · US
Compound containing phenolic hydroxyl group, phenolic resin, curable composition, cured product thereof, semiconductor sealing material, and printed circuit board
US-9765173-B2 · Sep 19, 2017 · US
Rubber composition for treads and pneumatic tire
US-2017253728-A1 · Sep 7, 2017 · US
Resin-coated metal sheet for containers
US-9751283-B2 · Sep 5, 2017 · US
Resin composition for printed circuit board, prepreg, resin composite sheet and metal foil clad laminate
US-2017238418-A1 · Aug 17, 2017 · US
Fiber-reinforced thermoplastic resin molded article and fiber-reinforced thermoplastic resin molding material
US-2017225373-A1 · Aug 10, 2017 · US
Formulation of novolak resins for enhancing the acid resistance of polyamide compositions
US-2017190901-A1 · Jul 6, 2017 · US
Method of curing thermosetting resin composition, thermosetting resin composition, and prepreg, metal-clad laminate, resin sheet, printed-wiring board, and sealing material in which thermosetting resin composition is used
US-2017190875-A1 · Jul 6, 2017 · US
Thermosetting compositions based on unsaturated polyesters and phenolic resins
US-9650539-B2 · May 16, 2017 · US
Rubber compound to produce tyres
US-2017130037-A1 · May 11, 2017 · US
Pneumatic tire and method for manufacturing the same
US-2017129291-A1 · May 11, 2017 · US
Rubber compound to produce tyres
US-2017121506-A1 · May 4, 2017 · US
Method of curing thermosetting resin composition, thermosetting resin composition, and prepreg, metal-clad laminate, resin sheet, printed-wiring board, and sealing material in which thermosetting resin composition is used
US-9637598-B2 · May 2, 2017 · US
Soft magnetic resin composition and soft magnetic film
US-2017110231-A1 · Apr 20, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08L61/04?
- CPC C08L61/04 is the Cooperative Patent Classification code for “Condensation polymers of aldehydes or ketones with phenols only.”
- How many patents are filed under CPC C08L61/04 (Condensation polymers of aldehydes or ketones with phenols only)?
- Our database includes 196 publications tagged with this CPC code.
- Is patent activity under CPC C08L61/04 growing?
- Publication counts under this code: 15 in 2024 vs 13 in 2025 (latest complete years).