Method for preparing methyl mercaptan
US-2020331851-A1 · Oct 22, 2020 · US
of thiols
of thiols · 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 | C07C319/02 |
| Official title | of thiols |
| Display label | of thiols |
| Total patents | 84 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 15 |
| 2017 | 16 |
| 2018 | 8 |
| 2019 | 7 |
| 2020 | 10 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for the preparation of freeze-dried 2-[(3-aminopropyl)amino]ethanethiol formulation
US-2020239414-A1 · Jul 30, 2020 · US
Preparation method of polythiol for optical lenses by using metal sulfide
US-10723697-B2 · Jul 28, 2020 · US
Synthesis of 2,2,2-trifluoroethanethiol
US-10717707-B2 · Jul 21, 2020 · US
2-mercaptoethanol synthesis
US-10689333-B1 · Jun 23, 2020 · US
Method for preparing methyl mercaptan
US-10689334-B2 · Jun 23, 2020 · US
Flow reactor vessels and reactor systems
US-10654022-B2 · May 19, 2020 · US
Method for preparing dimethyl disulphide
US-10550077-B2 · Feb 4, 2020 · US
Beta-mercaptoethanol synthesis
US-10544094-B2 · Jan 28, 2020 · US
Aromatic polythiol compound for optical material
US-2019292144-A1 · Sep 26, 2019 · US
Catalyst for the synthesis of methyl mercaptan and process for producing methyl mercaptan from synthesis gas and hydrogen sulphide
US-10377704-B2 · Aug 13, 2019 · US
Flow Reactor Vessels and Reactor Systems
US-2019168184-A1 · Jun 6, 2019 · US
Copper protective agent
US-10308598-B1 · Jun 4, 2019 · US
Copper protective agent
US-2019144381-A1 · May 16, 2019 · US
Synthesis of 2,2,2-trifluoroethanethiol
US-2019135740-A1 · May 9, 2019 · US
Flow reactor vessels and reactor systems
US-10239040-B2 · Mar 26, 2019 · US
3-aryl propiolonitrile compounds for thiol labeling
US-10131626-B2 · Nov 20, 2018 · US
Preparation method of polythiol for optical lenses by using metal sulfide
US-2018282270-A1 · Oct 4, 2018 · US
Polythiol composition with improved long-term storage stability and optical lenses using same
US-2018282269-A1 · Oct 4, 2018 · US
Method for producing alpha-substituted cysteine or salt thereof or synthetic intermediate of alpha-substituted cysteine
US-10071958-B2 · Sep 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C319/02?
- CPC C07C319/02 is the Cooperative Patent Classification code for “of thiols.”
- How many patents are filed under CPC C07C319/02 (of thiols)?
- Our database includes 84 publications tagged with this CPC code.
- Is patent activity under CPC C07C319/02 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).