Sulfide-based compounds and uses thereof
US-2024270687-A1 · Aug 15, 2024 · US
by addition of hydrogen sulfide or its salts to unsaturated compounds
by addition of hydrogen sulfide or its salts to unsaturated 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 | C07C319/04 |
| Official title | by addition of hydrogen sulfide or its salts to unsaturated compounds |
| Display label | by addition of hydrogen sulfide or its salts to unsaturated compounds |
| Total patents | 53 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 8 |
| 2017 | 11 |
| 2018 | 9 |
| 2019 | 7 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Continuous photochemical production of high purity linear mercaptan and sulfide compositions
US-12037310-B2 · Jul 16, 2024 · US
Method for preparing polythiols
US-11999682-B2 · Jun 4, 2024 · US
Sulfide-based compounds and uses thereof
US-11981625-B2 · May 14, 2024 · US
Methods of making mercaptan compounds using nickel-molybdenum catalysts
US-11851397-B2 · Dec 26, 2023 · US
Methods of Making Mercaptan Compounds Using Nickel-Molybdenum Catalysts
US-2022106266-A1 · Apr 7, 2022 · US
Continuous photochemical production of high purity linear mercaptan and sulfide compositions
US-2021387947-A1 · Dec 16, 2021 · US
Continuous photochemical production of high purity linear mercaptan and sulfide compositions
US-11161810-B1 · Nov 2, 2021 · US
Flow reactor vessels and reactor systems
US-10654022-B2 · May 19, 2020 · US
Sulfide-based compounds and uses thereof
US-2020109112-A1 · Apr 9, 2020 · US
Beta-mercaptoethanol synthesis
US-10544094-B2 · Jan 28, 2020 · US
Method for preparing polythiols
US-2020010412-A1 · Jan 9, 2020 · US
Methods for producing thiol compounds and sulfide compounds using diphenylamine or a phenol compound
US-10501408-B2 · Dec 10, 2019 · US
Synthesis of Methyl Ethyl Sulfide and Related Production Systems
US-2019270702-A1 · Sep 5, 2019 · US
Flow Reactor Vessels and Reactor Systems
US-2019168184-A1 · Jun 6, 2019 · US
Mixed branched eicosyl polysulfide compositions and methods of making same
US-10294200-B2 · May 21, 2019 · US
Methods for Producing Thiol Compounds and Sulfide Compounds Using Diphenylamine or a Phenol Compound
US-2019106384-A1 · Apr 11, 2019 · US
Flow reactor vessels and reactor systems
US-10239040-B2 · Mar 26, 2019 · US
Methods for producing thiol compounds and sulfide compounds using diphenylamine or a phenol compound
US-10189779-B2 · Jan 29, 2019 · US
Mixed Branched Eicosyl Polysulfide Compositions and Methods of Making Same
US-2018305306-A1 · Oct 25, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C319/04?
- CPC C07C319/04 is the Cooperative Patent Classification code for “by addition of hydrogen sulfide or its salts to unsaturated compounds.”
- How many patents are filed under CPC C07C319/04 (by addition of hydrogen sulfide or its salts to unsaturated compounds)?
- Our database includes 53 publications tagged with this CPC code.
- Is patent activity under CPC C07C319/04 growing?
- Publication counts under this code: 1 in 2023 vs 4 in 2024 (latest complete years).