Self-healing coatings from recycled polymer blends
US-2015344700-A1 · Dec 3, 2015 · US
Compounding polymers with additives, e.g. colouring
Compounding polymers with additives, e.g. colouring · 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 | C08J3/20 |
| Official title | Compounding polymers with additives, e.g. colouring |
| Display label | Compounding polymers with additives, e.g. colouring |
| Total patents | 871 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 71 |
| 2016 | 66 |
| 2017 | 95 |
| 2018 | 84 |
| 2019 | 87 |
| 2020 | 89 |
| 2021 | 82 |
| 2022 | 68 |
| 2023 | 93 |
| 2024 | 65 |
| 2025 | 54 |
| 2026 | 17 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Functionalization of p(s-co-mma)/graphene nanocomposites through microwave irradiation
US-2015344644-A1 · Dec 3, 2015 · US
Polycarbonate Resin Composition and a Molded Product Produced From the Same
US-2015322259-A1 · Nov 12, 2015 · US
Pipe section having polyarylene sulfide composition barrier layer
US-9182056-B2 · Nov 10, 2015 · US
Sustainable thermoplastic compounds
US-9175156-B2 · Nov 3, 2015 · US
Polymeric composite materials, manufacture, and uses
US-9176405-B2 · Nov 3, 2015 · US
Preparation of rubber reinforced with graphene and carbon nanotubes and functionalized elastomers and tire with component
US-2015299437-A1 · Oct 22, 2015 · US
Thermoplastic resin composition, production method of thermoplastic resin composition, molding material, and light-emitting body
US-2015299564-A1 · Oct 22, 2015 · US
Flame retardant thermoplastic resin composition
US-9133323-B2 · Sep 15, 2015 · US
Production method for sealing material containing fluorescent body, production method for light-emitting device, and dispenser
US-2015252258-A1 · Sep 10, 2015 · US
Sealant and method of preparing the same
US-2015252208-A1 · Sep 10, 2015 · US
Polyisocyanate-based binder
US-9127163-B2 · Sep 8, 2015 · US
Mechanical mixing processes
US-9120903-B2 · Sep 1, 2015 · US
Method for preparing a masterbatch of diene elastomer and silica
US-9115258-B2 · Aug 25, 2015 · US
Method for manufacturing rubber composition
US-9115257-B2 · Aug 25, 2015 · US
Ink compositions
US-9109128-B2 · Aug 18, 2015 · US
Ink jet ink and recorded object
US-9109133-B2 · Aug 18, 2015 · US
Process for producing resin composition containing active particles
US-2015225513-A1 · Aug 13, 2015 · US
Aqueous binder composition comprising oligomers
US-9096753-B2 · Aug 4, 2015 · US
Method for producing aqueous polymer dispersions
US-9090749-B2 · Jul 28, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08J3/20?
- CPC C08J3/20 is the Cooperative Patent Classification code for “Compounding polymers with additives, e.g. colouring.”
- How many patents are filed under CPC C08J3/20 (Compounding polymers with additives, e.g. colouring)?
- Our database includes 871 publications tagged with this CPC code.
- Is patent activity under CPC C08J3/20 growing?
- Publication counts under this code: 65 in 2024 vs 54 in 2025 (latest complete years).