Curable composition and optical material
US-12371533-B2 · Jul 29, 2025 · US
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using other sulfur sources
using other sulfur sources · 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 | C08G75/0272 |
| Official title | {using other sulfur sources} |
| Display label | using other sulfur sources |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 6 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing sulfur-containing polymer
US-2024327576-A1 · Oct 3, 2024 · US
Method for producing polyarylene sulfide
US-11795272-B2 · Oct 24, 2023 · US
Method for producing polyarylene sulfide
US-2023126671-A1 · Apr 27, 2023 · US
Method for preparing aliphatic polythioether
US-11440995-B2 · Sep 13, 2022 · US
Aromatic polysulfone, aromatic polysulfone composition, and method for producing aromatic polysulfone
US-11390745-B2 · Jul 19, 2022 · US
Curable composition and optical material
US-2022204702-A1 · Jun 30, 2022 · US
Method for preparing aliphatic polythioether
US-2021230371-A1 · Jul 29, 2021 · US
Polyarylene sulfide resin and manufacturing method therefor, poly(arylene sulfonium salt) and manufacturing method therefor, and sulfoxide
US-10982049-B2 · Apr 20, 2021 · US
Method for preparing compound and method for preparing polymer employing the same
US-10723841-B2 · Jul 28, 2020 · US
Aromatic polysulfone, aromatic polysulfone composition, and method for producing aromatic polysulfone
US-2020024451-A1 · Jan 23, 2020 · US
Polyarylene sulfide resin and manufacturing method therefor, poly(arylene sulfonium salt) and manufacturing method therefor, and sulfoxide
US-2019300652-A1 · Oct 3, 2019 · US
Polyarylene sulfide resin and manufacturing method therefor, poly(arylenesulfonium salt) and manufacturing method therefor, and sulfoxide
US-10385168-B2 · Aug 20, 2019 · US
Method for preparing polyarylene sulfide (PAS) monomer
US-10377705-B2 · Aug 13, 2019 · US
Method for sulfonating polymers
US-2019077919-A1 · Mar 14, 2019 · US
Method for preparing compound and method for preparing polymer employing the same
US-2019040202-A1 · Feb 7, 2019 · US
High molecular weight polythioaminals from a single monomer
US-9765188-B2 · Sep 19, 2017 · US
Polyarylene sulfide resin and manufacturing method therefor, poly(arylene sulfonium salt) and manufacturing method therefor, and sulfoxide
US-2017218126-A1 · Aug 3, 2017 · US
Method for preparing polyarylene sulfide (pas) monomer
US-2017197913-A1 · Jul 13, 2017 · US
Polyarylene sulfide resin and manufacturing method therefor, poly(arylene sulfonium salt) and manufacturing method therefor, and sulfoxide
US-9657142-B2 · May 23, 2017 · US