Optical article and method for producing optical article
US-12572064-B2 · Mar 10, 2026 · US
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Acyclic compounds
Acyclic compounds · 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 | C08F16/18 |
| Official title | Acyclic compounds |
| Display label | Acyclic compounds |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ether polymer, electrode plate, and battery cell, battery, and electrical device related thereto
US-2025219057-A1 · Jul 3, 2025 · US
Method for producing vinyl ether polymer containing hydrocarbon group by radical polymerization
US-11891461-B2 · Feb 6, 2024 · US
Polyvinyl esters and methods related thereto
US-11667733-B2 · Jun 6, 2023 · US
Polymer electrolyte for secondary battery comprising lithium salt and polymer and lithium secondary battery including the same
US-11539073-B2 · Dec 27, 2022 · US
Optical article and method for producing optical article
US-2022221782-A1 · Jul 14, 2022 · US
Initiator system for cationic polymerization of olefins
US-11168100-B2 · Nov 9, 2021 · US
Polyvinyl esters and methods related thereto
US-2021324121-A1 · Oct 21, 2021 · US
Draw solute, draw solution, and forward-osmosis water treatment method
US-2021268438-A1 · Sep 2, 2021 · US
Initiator system for cationic polymerization of olefins
US-2021171550-A1 · Jun 10, 2021 · US
Refrigerating machine oil, and composition for refrigerating machine
US-11015138-B2 · May 25, 2021 · US
Method for producing vinyl ether polymer containing hydrocarbon group by radical polymerization
US-2021122847-A1 · Apr 29, 2021 · US
Polymer electrolyte for secondary battery and lithium secondary battery including the same
US-2020235428-A1 · Jul 23, 2020 · US
Initiator system for cationic polymerization of olefins
US-2020010644-A1 · Jan 9, 2020 · US
Refrigerating machine oil, and composition for refrigerating machine
US-2019256789-A1 · Aug 22, 2019 · US