Process for the co-production of methyl mercaptan and of dimethyl disulfide from carbon oxides
US-12227468-B2 · Feb 18, 2025 · 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 | C07C319/16 |
| 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 | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 2 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sequential and independent synthesis of mercaptans and asymmetrical sulfides in a single reactor
US-2024051918-A1 · Feb 15, 2024 · US
Process for the co-production of methyl mercaptan and of dimethyl disulfide from carbon oxides
US-2022363630-A1 · Nov 17, 2022 · US
Fluorine-containing alternating copolymer macromonomer and synthesis method thereof
US-11365267-B2 · Jun 21, 2022 · US
Fluorine-containing alternating copolymer macromonomer and synthesis method thereof
US-2021403612-A1 · Dec 30, 2021 · US
Dialkyl sulfide, method for producing dialkyl sulfide, extreme-pressure additive, and lubricating fluid composition
US-10894767-B2 · Jan 19, 2021 · US
Dialkyl sulfide, method for producing dialkyl sulfide, extreme-pressure additive, and lubricating fluid composition
US-2020247746-A1 · Aug 6, 2020 · US
Flow reactor vessels and reactor systems
US-10654022-B2 · May 19, 2020 · 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
Flow reactor vessels and reactor systems
US-10239040-B2 · Mar 26, 2019 · US
Dialkyl polysulfide, process for preparing dialkyl polysulfide, extreme pressure additive, and lubricating fluid composition
US-10131860-B2 · Nov 20, 2018 · US
Mixed Branched Eicosyl Polysulfide Compositions and Methods of Making Same
US-2018305306-A1 · Oct 25, 2018 · US
Mixed decyl mercaptans compositions and methods of making same
US-10040758-B2 · Aug 7, 2018 · US
Mixed decyl mercaptans compositions and methods of making same
US-10011564-B2 · Jul 3, 2018 · US
Mixed decyl mercaptans compositions and methods of making same
US-9938237-B2 · Apr 10, 2018 · US
Mixed Decyl Mercaptans Compositions and Methods of Making Same
US-2018079718-A1 · Mar 22, 2018 · US
Mixed Decyl Mercaptans Compositions and Methods of Making Same
US-2017334843-A1 · Nov 23, 2017 · US
Flow Reactor Vessels and Reactor Systems
US-2017326525-A1 · Nov 16, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C319/16?
- CPC C07C319/16 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 C07C319/16 (by addition of hydrogen sulfide or its salts to unsaturated compounds)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC C07C319/16 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).