Processes for removing carbon disulfide from symmetrical and asymmetrical sulfide product streams
US-12209063-B2 · Jan 28, 2025 · US
Thiols, sulfides, hydropolysulfides, or polysulfides having thio groups bound to carbon atoms of rings other than six-membered aromatic rings
Thiols, sulfides, hydropolysulfides, or polysulfides having thio groups bound to carbon atoms of rings other than six-membered aromatic rings · 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 | C07C321/22 |
| Official title | Thiols, sulfides, hydropolysulfides, or polysulfides having thio groups bound to carbon atoms of rings other than six-membered aromatic rings |
| Display label | Thiols, sulfides, hydropolysulfides, or polysulfides having thio groups bound to carbon atoms of rings other than six-membered aromatic rings |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 8 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Novel compound for capping layer and organic light emitting device including same
US-2024279158-A1 · Aug 22, 2024 · US
Compound for capping layer and organic light emitting device including same
US-2024190810-A1 · Jun 13, 2024 · US
Compound for capping layer and organic light emitting device including same
US-2024190811-A1 · Jun 13, 2024 · US
Compound for capping layer and organic light emitting device including same
US-2024164138-A1 · May 16, 2024 · US
Processes for removing carbon disulfide from symmetrical and asymmetrical sulfide product streams
US-11845716-B2 · Dec 19, 2023 · US
Substituted bicyclic compounds
US-11701373-B2 · Jul 18, 2023 · US
Method for evaluating brominated flame retarders
US-2022388951-A1 · Dec 8, 2022 · US
Substituted bicyclic compounds
US-2022331346-A1 · Oct 20, 2022 · US
Removal liquid and method for removing oxide of group III-V element, treatment liquid for treating compound of group III-V element, oxidation prevention liquid for preventing oxidation of group III-V element, treatment liquid for treating semiconductor substrate, and method for producing semiconductor substrate product
US-11145514-B2 · Oct 12, 2021 · US
Substituted bicyclic compounds
US-11058696-B2 · Jul 13, 2021 · US
Chemically amplified positive-type photosensitive resin composition, photosensitive dry film, method of manufacturing photosensitive dry film, method of manufacturing patterned resist film, method of manufacturing substrate with template, method of manufacturing plated article, and mercapto compound
US-11022880-B2 · Jun 1, 2021 · US
Processes for removing carbon disulfide from symmetrical and asymmetrical sulfide product streams
US-10774040-B1 · Sep 15, 2020 · US
Substituted bicyclic compounds
US-2020281952-A1 · Sep 10, 2020 · US
Substituted bicyclic compounds
US-10709719-B2 · Jul 14, 2020 · US
Chemically amplified positive-type photosensitive resin composition, photosensitive dry film, method of manufacturing photosensitive dry film, method of manufacturing patterned resist film, method of manufacturing substrate with template, method of manufacturing plated article, and mercapto compound
US-2019121233-A1 · Apr 25, 2019 · US
Substituted bicyclic compounds
US-2019076450-A1 · Mar 14, 2019 · US
Substituted bicyclic compounds
US-10166249-B2 · Jan 1, 2019 · US
Chemically amplified positive-type photosensitive resin composition
US-10054855-B2 · Aug 21, 2018 · US
Substituted bicyclic compounds
US-2017304332-A1 · Oct 26, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C321/22?
- CPC C07C321/22 is the Cooperative Patent Classification code for “Thiols, sulfides, hydropolysulfides, or polysulfides having thio groups bound to carbon atoms of rings other than six-membered aromatic rings.”
- How many patents are filed under CPC C07C321/22 (Thiols, sulfides, hydropolysulfides, or polysulfides having thio groups bound to carbon atoms of rings other than six-membered aromatic rings)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC C07C321/22 growing?
- Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).