Absorbent article with tackifier-free adhesive
US-2019231920-A1 · Aug 1, 2019 · US
Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
Homopolymers or copolymers of hydrocarbons having four or more carbon atoms · 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 | C08L23/18 |
| Official title | Homopolymers or copolymers of hydrocarbons having four or more carbon atoms |
| Display label | Homopolymers or copolymers of hydrocarbons having four or more carbon atoms |
| Total patents | 151 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 9 |
| 2017 | 16 |
| 2018 | 19 |
| 2019 | 18 |
| 2020 | 26 |
| 2021 | 9 |
| 2022 | 16 |
| 2023 | 13 |
| 2024 | 9 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Poly(phenylene ether) composition and article
US-2019127570-A1 · May 2, 2019 · US
Graft Copolymers for Dispersing Graphene and Graphite
US-2019047325-A1 · Feb 14, 2019 · US
Array substrate, display panel, display apparatus, and method for producing array substrate
US-10133096-B2 · Nov 20, 2018 · US
Nucleated polypropylene composition
US-10125248-B2 · Nov 13, 2018 · US
An adhesive composition
US-2018243466-A1 · Aug 30, 2018 · US
Hot melt adhesive
US-2018237664-A1 · Aug 23, 2018 · US
Transition metal complexes, catalyst compositions including the same, and method for preparing polyolefins therewith
US-2018194874-A1 · Jul 12, 2018 · US
Absorbent article with tackifier-free adhesive
US-2018193516-A1 · Jul 12, 2018 · US
Hot melt adhesive
US-2018193515-A1 · Jul 12, 2018 · US
1-butane-α-olefin copolymer composition
US-10017591-B2 · Jul 10, 2018 · US
Optical film, method of manufacturing the same, polarizing plate and liquid crystal display device
US-10012770-B2 · Jul 3, 2018 · US
Hot melt adhesive
US-9994742-B2 · Jun 12, 2018 · US
Lubricant Containing High-Viscosity Metallocene Polyalpha-Olefins
US-2018142179-A1 · May 24, 2018 · US
Dielectric film, film capacitor and combination type capacitor employing the dielectric film, and inverter and electric vehicle
US-2018114643-A1 · Apr 26, 2018 · US
Optical film and display device comprising the same
US-9952364-B2 · Apr 24, 2018 · US
Article with tackifier-free adhesive
US-9943623-B2 · Apr 17, 2018 · US
Hot melt adhesive
US-9937277-B2 · Apr 10, 2018 · US
Buffered adhesive compositions for skin-adhering medical products
US-2018071150-A1 · Mar 15, 2018 · US
Reinforced polycarbonate composition with improved impact performance
US-2018066133-A1 · Mar 8, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08L23/18?
- CPC C08L23/18 is the Cooperative Patent Classification code for “Homopolymers or copolymers of hydrocarbons having four or more carbon atoms.”
- How many patents are filed under CPC C08L23/18 (Homopolymers or copolymers of hydrocarbons having four or more carbon atoms)?
- Our database includes 151 publications tagged with this CPC code.
- Is patent activity under CPC C08L23/18 growing?
- Publication counts under this code: 9 in 2024 vs 3 in 2025 (latest complete years).