Methods for functionalization hydrocarbons
US-12559448-B2 · Feb 24, 2026 · US
Chloromethanes
Chloromethanes · 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 | C07C19/03 |
| Official title | Chloromethanes |
| Display label | Chloromethanes |
| Total patents | 43 |
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 | 3 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 2 |
| 2021 | 7 |
| 2022 | 3 |
| 2023 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalyst for oxychlorination process of hydrocarbon, method for producing same, and method for manufacturing oxychlorinated compound of hydrocarbon by using same
US-12533661-B2 · Jan 27, 2026 · US
Refrigerant-containing composition, use thereof, refrigerator having said composition, and operating method for refrigerator
US-2023272255-A1 · Aug 31, 2023 · US
Room-temperature, catalyst-free alkane chlorination
US-11578021-B1 · Feb 14, 2023 · US
Cavitand compositions and methods of use thereof
US-11492356-B2 · Nov 8, 2022 · US
Method for producing and purifying 2,3,3,3-tetrafluoro-1-propene
US-11299446-B2 · Apr 12, 2022 · US
Non-flammable electrolyte containing liquefied gas and lithium secondary batteries containing same
US-11258101-B2 · Feb 22, 2022 · US
Method for preparing sulfated metal oxide catalyst for chlorination, and chlorination method using sulfated metal oxide catalyst
US-11179712-B2 · Nov 23, 2021 · US
Catalyst for processing oxychlorination of hydrocarbon, preparation method therefor, and preparation method of oxychlorinated compound of hydrocarbon using same
US-11179703-B2 · Nov 23, 2021 · US
Method for producing and purifying 2,3,3,3-tetrafluoro-1-propene
US-2021101854-A1 · Apr 8, 2021 · US
Catalyst for oxychlorination process of hydrocarbon, method for producing same, and method for manufacturing oxychlorinated compound of hydrocarbon by using same
US-2021086168-A1 · Mar 25, 2021 · US
Method for preparing sulfated metal oxide catalyst for chlorination, and chlorination method using sulfated metal oxide catalyst
US-2021069689-A1 · Mar 11, 2021 · US
Catalyst for processing oxychlorination of hydrocarbon, preparation method therefor, and preparation method of oxychlorinated compound of hydrocarbon using same
US-2021053036-A1 · Feb 25, 2021 · US
Method for producing and purifying 2,3,3,3-tetrafluoro-1-propene
US-10899688-B2 · Jan 26, 2021 · US
Method for producing and purifying 2,3,3,3-tetrafluoro-1-propene
US-2020165180-A1 · May 28, 2020 · US
Electrically conductive ink for solvent-cast 3D printing
US-10647057-B2 · May 12, 2020 · US
Method for producing and purifying 2,3,3,3-tetrafluoro-1-propene
US-10494320-B2 · Dec 3, 2019 · US
Compositions and methods for hydrocarbon functionalization
US-10450259-B2 · Oct 22, 2019 · US
Cavitand compositions and methods of use thereof
US-10435413-B2 · Oct 8, 2019 · US
Polymorphic forms of naltrexone
US-10328070-B1 · Jun 25, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C19/03?
- CPC C07C19/03 is the Cooperative Patent Classification code for “Chloromethanes.”
- How many patents are filed under CPC C07C19/03 (Chloromethanes)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC C07C19/03 growing?
- Publication counts under this code: 3 in 2022 vs 2 in 2023 (latest complete years).