Functionalized diacetylene monomers, their polymerization and uses thereof
US-2026042729-A1 · Feb 12, 2026 · US
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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 | C08F138/02 |
| Official title | Acetylene |
| Display label | Acetylene |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sweat mapping method
US-12064253-B2 · Aug 20, 2024 · US
Nanogel particles having dual functionality and temperature responsiveness for particle clustering in nucleic acid sequencing systems
US-2024117426-A1 · Apr 11, 2024 · US
Tethered alkylidene and methods of making the same
US-2023303600-A1 · Sep 28, 2023 · US
Compositions and methods for single-step multipurpose surface functionalization
US-2023174690-A1 · Jun 8, 2023 · US
Methods and materials for making elastomer resistant to degradation by ultraviolet radiation and plasma
US-2023145789-A1 · May 11, 2023 · US
Polydifluoroacetylene, method for producing polydifluoroacetylene, precursor polymer, molded article and powder
US-11279778-B2 · Mar 22, 2022 · US
Hydrochromic polydiacetylene polymer patch and method of manufacturing the same
US-10954380-B2 · Mar 23, 2021 · US
Sweat mapping method
US-2021007655-A1 · Jan 14, 2021 · US
Polydifluoroacetylene, method for producing polydifluoroacetylene, precursor polymer, molded article and powder
US-2020299428-A1 · Sep 24, 2020 · US
Hydrochromic polydiacetylene composite composition, hydrochromic thin film using same, and use thereof
US-10479852-B2 · Nov 19, 2019 · US
Hydrochromic polydiacetylene polymer patch and method of manufacturing the same
US-2018282543-A1 · Oct 4, 2018 · US
Substituted bicyclic aza-heterocycles and analogues as sirtuin modulators
US-2018186801-A1 · Jul 5, 2018 · US
Nanoporous polymeric material, nanoporous polymeric material membrane for selective absorption and manufacturing processes
US-2016222143-A1 · Aug 4, 2016 · US
Polyacetylene and chlorinated polyacetylene and production processes thereof
US-9279026-B2 · Mar 8, 2016 · US
Hydrochromic polydiacetylene composite composition, hydrochromic thin film using same, and use thereof
US-2015329656-A1 · Nov 19, 2015 · US