Bimesogenic compounds and mesogenic media
US-2017369784-A1 · Dec 28, 2017 · US
Sulfides, hydropolysulfides, or polysulfides having thio groups bound to carbon atoms of six-membered aromatic rings
Sulfides, hydropolysulfides, or polysulfides having thio groups bound to carbon atoms of 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 | C07C321/28 |
| Official title | Sulfides, hydropolysulfides, or polysulfides having thio groups bound to carbon atoms of six-membered aromatic rings |
| Display label | Sulfides, hydropolysulfides, or polysulfides having thio groups bound to carbon atoms of six-membered aromatic rings |
| Total patents | 174 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 28 |
| 2017 | 30 |
| 2018 | 19 |
| 2019 | 15 |
| 2020 | 13 |
| 2021 | 7 |
| 2022 | 10 |
| 2023 | 15 |
| 2024 | 13 |
| 2025 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Metal-catalyzed oxidative coupling of thiols
US-9834509-B2 · Dec 5, 2017 · US
Substituted bicyclic compounds
US-2017304332-A1 · Oct 26, 2017 · US
Resist composition, method of forming resist pattern, compound, and acid diffusion control agent
US-2017293223-A1 · Oct 12, 2017 · US
Method for producing fluorinated organic compound and fluorinating reagent
US-9758455-B2 · Sep 12, 2017 · US
Onium salt, resist composition, and patterning process
US-9703193-B2 · Jul 11, 2017 · US
Photoresist composition, coated substrate including the photoresist composition, and method of forming electronic device
US-2017192353-A1 · Jul 6, 2017 · US
Photoacid generator
US-2017192352-A1 · Jul 6, 2017 · US
Benzamide derivative
US-9695118-B2 · Jul 4, 2017 · US
Industrial methods for producing arylsulfur pentafluorides
US-9676710-B2 · Jun 13, 2017 · US
Class of HDAC inhibitors expands the renal progenitor cells population and improves the rate of recovery from acute kidney injury
US-9670236-B2 · Jun 6, 2017 · US
Cycloalkyl acid derivative, preparation method thereof, and pharmaceutical application thereof
US-9637484-B2 · May 2, 2017 · US
Method for forming resist pattern, resist pattern splitting agent, split pattern improving agent, resist pattern splitting material, and positive resist composition for forming split pattern
US-9618845-B2 · Apr 11, 2017 · US
Resist composition, method of forming resist pattern, compound, and acid diffusion control agent
US-2017097564-A1 · Apr 6, 2017 · US
Substituted bicyclic compounds
US-2017042917-A1 · Feb 16, 2017 · US
Metal-Catalyzed Oxidative Coupling of Thiols
US-2017036998-A1 · Feb 9, 2017 · US
Radiation-sensitive resin composition, resist pattern-forming method, acid generator and compound
US-2017038679-A1 · Feb 9, 2017 · US
Liquid crystal compound, liquid crystal composition and liquid crystal display device
US-9527870-B2 · Dec 27, 2016 · US
Substituted bicyclic compounds
US-9522888-B2 · Dec 20, 2016 · US
Radiation-sensitive resin composition, resist pattern-forming method, acid generator and compound
US-9523911-B2 · Dec 20, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C321/28?
- CPC C07C321/28 is the Cooperative Patent Classification code for “Sulfides, hydropolysulfides, or polysulfides having thio groups bound to carbon atoms of six-membered aromatic rings.”
- How many patents are filed under CPC C07C321/28 (Sulfides, hydropolysulfides, or polysulfides having thio groups bound to carbon atoms of six-membered aromatic rings)?
- Our database includes 174 publications tagged with this CPC code.
- Is patent activity under CPC C07C321/28 growing?
- Publication counts under this code: 13 in 2024 vs 9 in 2025 (latest complete years).