Acetal-based compound, acetal-based prepolymer, acetal-based polymer, and photoresist composition comprising the same
US-12503433-B2 · Dec 23, 2025 · US
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Thiocarbonic acids; Halides, esters or anhydrides thereof
Thiocarbonic acids; Halides, esters or anhydrides thereof · 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 | C07C329/00 |
| Official title | Thiocarbonic acids; Halides, esters or anhydrides thereof |
| Display label | Thiocarbonic acids; Halides, esters or anhydrides thereof |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2023 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Acetal-based compound, acetal-based prepolymer, acetal-based polymer, and photoresist composition comprising the same
US-2023174471-A1 · Jun 8, 2023 · US
Thiocarbonylthio compounds as chain transfer agents suitable for raft polymerization
US-10968173-B2 · Apr 6, 2021 · US
Accelerator solutions useful for resin curing
US-2021009785-A1 · Jan 14, 2021 · US
Compounds for carbonyl sulfide/carbon disulfide/hydrogen sulfide release and methods of making and using the same
US-10725055-B1 · Jul 28, 2020 · US
Surfactants and methods for making same
US-2019256626-A1 · Aug 22, 2019 · US
Thiocarbonylthio compounds as chain transfer agents suitable for raft polymerization
US-2019241512-A1 · Aug 8, 2019 · US
Water soluble chain transfer agents
US-10280101-B2 · May 7, 2019 · US
Enaminone-grafted trithiocarbonate with anticancer and antimicrobial activity
US-10071960-B1 · Sep 11, 2018 · US
Synthesis and antimicrobial use of a trithiocarbonate derivative
US-9988348-B1 · Jun 5, 2018 · US
Water soluble chain transfer agents
US-2018111900-A1 · Apr 26, 2018 · US
Novel chain transfer agent and emulsion polymerization using the same
US-2017233502-A1 · Aug 17, 2017 · US
Phosphonate and phosphonic acid raft agents and monomers, along with methods of their manufacture and use
US-9683055-B2 · Jun 20, 2017 · US
Chain transfer agent and emulsion polymerization using the same
US-9676888-B2 · Jun 13, 2017 · US
Novel chain transfer agent and emulsion polymerization using the same
US-2016319063-A1 · Nov 3, 2016 · US
Chain transfer agent and emulsion polymerization using the same
US-9452978-B2 · Sep 27, 2016 · US
Novel phosphonate and phosphonic acid raft agents and monomers, along with methods of their manufacture and use
US-2016257771-A1 · Sep 8, 2016 · US
Phosphonate and phosphonic acid RAFT agents and monomers, along with methods of their manufacture and use
US-9359453-B2 · Jun 7, 2016 · US