Resist underlayer film material, patterning process, and method for forming resist underlayer film
US-12013640-B2 · Jun 18, 2024 · US
Acetylene
Acetylene · 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 | C08F38/02 |
| Official title | Acetylene |
| Display label | Acetylene |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Carbon fiber precursors and production process
US-11987707-B2 · May 21, 2024 · US
Compound, composition, cured product, optically anisotropic body, optical element, and light guide element
US-2024142676-A1 · May 2, 2024 · US
Compound and composition
US-2024025909-A1 · Jan 25, 2024 · US
Coating-type polarizing film using diacetylene-based lyotropic liquid crystal mixture containing iodines, and manufacturing method therefor
US-11725145-B2 · Aug 15, 2023 · US
Compositions and methods for single-step multipurpose surface functionalization
US-2023174690-A1 · Jun 8, 2023 · US
Compound, composition, cured object, optically anisotropic body, and reflective film
US-11603350-B2 · Mar 14, 2023 · US
Carbon Fiber Precursors and Production Process
US-2022363904-A1 · Nov 17, 2022 · US
Polymerizable composition for optical material and optical material and plastic lens obtainable from same composition
US-11414515-B2 · Aug 16, 2022 · US
Polydifluoroacetylene, method for producing polydifluoroacetylene, precursor polymer, molded article and powder
US-11279778-B2 · Mar 22, 2022 · US
Synthesis of graphene nanoribbons from monomeric molecular precursors bearing reactive alkyne moieties
US-11247905-B2 · Feb 15, 2022 · US
Resist underlayer film material, patterning process, and method for forming resist underlayer film
US-2021397092-A1 · Dec 23, 2021 · US
Coating-type polarizing film using diacetylene-based lyotropic liquid crystal mixture containing iodines, and manufacturing method therefor
US-2021395612-A1 · Dec 23, 2021 · US
Gas sensor nanocomposite membranes
US-2021131998-A1 · May 6, 2021 · US
Polydifluoroacetylene, method for producing polydifluoroacetylene, precursor polymer, molded article and powder
US-2020299428-A1 · Sep 24, 2020 · US
Polymer / single-walled carbon nanotube composite for gas detection
US-10697918-B2 · Jun 30, 2020 · US
Synthesis of graphene nanoribbons from monomeric molecular precursors bearing reactive alkyne moieties
US-2020055735-A1 · Feb 20, 2020 · US
Hydrochromic polydiacetylene composite composition, hydrochromic thin film using same, and use thereof
US-10479852-B2 · Nov 19, 2019 · US
Polymerizable composition and novel alkyne compound
US-10472435-B2 · Nov 12, 2019 · US
All solid state secondary battery, solid electrolyte composition used therefor, electrode sheet for battery, and method for manufacturing electrode sheet for battery and all solid state secondary battery
US-10411292-B2 · Sep 10, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F38/02?
- CPC C08F38/02 is the Cooperative Patent Classification code for “Acetylene.”
- How many patents are filed under CPC C08F38/02 (Acetylene)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC C08F38/02 growing?
- Publication counts under this code: 3 in 2023 vs 4 in 2024 (latest complete years).