Thermal circuits built in liquid crystal elastomers
US-2024084183-A1 · Mar 14, 2024 · US
Polymers
Polymers · 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 | C09K19/38 |
| Official title | Polymers |
| Display label | Polymers |
| Total patents | 471 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 42 |
| 2016 | 27 |
| 2017 | 47 |
| 2018 | 60 |
| 2019 | 63 |
| 2020 | 59 |
| 2021 | 38 |
| 2022 | 37 |
| 2023 | 36 |
| 2024 | 32 |
| 2025 | 25 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Switch element comprising a liquid crystalline medium
US-9507185-B2 · Nov 29, 2016 · US
Method for producing elongate polarizer plate
US-9507068-B2 · Nov 29, 2016 · US
Resealable containers and methods for their preparation and use
US-9493275-B2 · Nov 15, 2016 · US
Polymerizable liquid crystal composition and optically anisotropic body
US-2016289562-A1 · Oct 6, 2016 · US
Composite marking based on chiral liquid crystal precursors and modifying resins
US-2016272890-A1 · Sep 22, 2016 · US
Production method for polymerizable liquid crystal composition
US-2016237351-A1 · Aug 18, 2016 · US
Polymerizable liquid crystal compound, polymerizable liquid crystal composition, and optical anisotropic body
US-9416317-B2 · Aug 16, 2016 · US
Antistatic Liquid Crystalline Polymer Composition
US-2016185940-A1 · Jun 30, 2016 · US
Semiconducting polymers
US-9365585-B2 · Jun 14, 2016 · US
Liquid crystal display device and method for manufacturing the same
US-9366898-B2 · Jun 14, 2016 · US
Polymerizable compound-containing liquid crystal composition and liquid crystal display device using the same
US-9353312-B2 · May 31, 2016 · US
Polymerizable compound, polymerizable composition, polymer, and optically anisotropic material
US-2016145363-A1 · May 26, 2016 · US
Optically anisotropic layer, method for producing the optically anisotropic layer, a laminate, polarizing plate, display device, liquid crystal compound, method for producing the liquid crystal compound, and carboxylic acid compound
US-2016108315-A1 · Apr 21, 2016 · US
Layer or article comprising polymer particles
US-2016068755-A1 · Mar 10, 2016 · US
Liquid crystal medium
US-2016053175-A1 · Feb 25, 2016 · US
Polymerizable liquid crystal compound, polymerizable liquid crystal composition, and optical anisotropic body
US-2016024385-A1 · Jan 28, 2016 · US
Liquid crystal composition and liquid crystal display element including the same
US-2016017227-A1 · Jan 21, 2016 · US
Polymerizable composition
US-2015368559-A1 · Dec 24, 2015 · US
Polymerizable compound having lateral substituent in terminal ring structure
US-2015361190-A1 · Dec 17, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K19/38?
- CPC C09K19/38 is the Cooperative Patent Classification code for “Polymers.”
- How many patents are filed under CPC C09K19/38 (Polymers)?
- Our database includes 471 publications tagged with this CPC code.
- Is patent activity under CPC C09K19/38 growing?
- Publication counts under this code: 32 in 2024 vs 25 in 2025 (latest complete years).