Microcrystalline wax
US-11891580-B2 · Feb 6, 2024 · US
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Chemical modification of petroleum
Chemical modification of petroleum · 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 | C10G73/38 |
| Official title | Chemical modification of petroleum |
| Display label | Chemical modification of petroleum |
| Total patents | 9 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2017 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2022 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Microcrystalline wax
US-2022267684-A1 · Aug 25, 2022 · US
Method and apparatus for purifying a mixture comprising oil and wax
US-10738248-B2 · Aug 11, 2020 · US
Method and Apparatus for Purifying a Mixture Comprising Oil and Wax
US-2019040330-A1 · Feb 7, 2019 · US
Multiphase low mixing processes
US-10196333-B2 · Feb 5, 2019 · US
Catalytic oxidation of hydrocarbons
US-2017369798-A1 · Dec 28, 2017 · US
Process for in situ upgrading of a heavy hydrocarbon using asphaltene precipitant additives
US-9670760-B2 · Jun 6, 2017 · US
Multiphase low mixing processes
US-2015251980-A1 · Sep 10, 2015 · US
Process for in situ upgrading of a heavy hydrocarbon using asphaltene precipitant additives
US-2015114635-A1 · Apr 30, 2015 · US