Catalyst for the synthesis of alkyl mercaptan and process for its preparation
US-12331009-B2 · Jun 17, 2025 · US
by replacement of hydroxy groups or etherified or esterified hydroxy groups
by replacement of hydroxy groups or etherified or esterified hydroxy groups · 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 | C07C319/08 |
| Official title | by replacement of hydroxy groups or etherified or esterified hydroxy groups |
| Display label | by replacement of hydroxy groups or etherified or esterified hydroxy groups |
| Total patents | 47 |
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 | 5 |
| 2017 | 8 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 7 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for preparing mercaptans with sulfhydrolysis of purified dialkyl sulfides
US-2024270686-A1 · Aug 15, 2024 · US
Method for producing organic mercapto compound or intermediate thereof, (poly)thiol component, polymerizable composition for optical material, molded product, optical material, and lens
US-11897835-B2 · Feb 13, 2024 · US
Process for the co-production of alkyl mercaptan and dialkyl disulfide from alcohol
US-11897837-B2 · Feb 13, 2024 · US
Method for drying methyl mercaptan by means of azeotropic distillation
US-2024043377-A1 · Feb 8, 2024 · US
Method for preparing mercaptans by sulfhydrolysis of sulfides
US-2024025847-A1 · Jan 25, 2024 · US
Method for preparing methyl mercaptan with treatment of gaseous waste
US-2024018100-A1 · Jan 18, 2024 · US
Process for synthesizing functionalized mercaptans under an h2s pressure
US-2024002893-A1 · Jan 4, 2024 · US
Methods of making mercaptan compounds using nickel-molybdenum catalysts
US-11851397-B2 · Dec 26, 2023 · US
Process of preparing fluoroether compounds with unsaturated end groups
US-2023365484-A1 · Nov 16, 2023 · US
Improved process for synthesizing functionalized mercaptans
US-2023295080-A1 · Sep 21, 2023 · US
Process for the co-production of alkyl mercaptan and dialkyl disulfide from alcohol
US-2022363631-A1 · Nov 17, 2022 · US
Preparation method for polythiol having improved storage stability
US-11453643-B2 · Sep 27, 2022 · US
Catalyst for the synthesis of alkyl mercaptan and process for its preparation
US-2022194896-A1 · Jun 23, 2022 · US
Methods of Making Mercaptan Compounds Using Nickel-Molybdenum Catalysts
US-2022106266-A1 · Apr 7, 2022 · US
O-succinyl homoserine transferase variant and method of producing O-succinyl homoserine using the same
US-11142779-B2 · Oct 12, 2021 · US
Preparation method for polythiol having improved storage stability
US-2021171491-A1 · Jun 10, 2021 · US
O-succinyl homoserine transferase mutant and method for producing O-succinyl homoserine using same
US-10982245-B2 · Apr 20, 2021 · US
Synthesis of methyl ethyl sulfide and related production systems
US-10927074-B2 · Feb 23, 2021 · US
Method for producing organic mercapto compound or intermediate thereof, (poly)thiol component, polymerizable composition for optical material, molded product, optical material, and lens
US-2021017128-A1 · Jan 21, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C319/08?
- CPC C07C319/08 is the Cooperative Patent Classification code for “by replacement of hydroxy groups or etherified or esterified hydroxy groups.”
- How many patents are filed under CPC C07C319/08 (by replacement of hydroxy groups or etherified or esterified hydroxy groups)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC C07C319/08 growing?
- Publication counts under this code: 7 in 2024 vs 1 in 2025 (latest complete years).