Method of using multicarboxylate compositions in enhanced oil recovery
US-12037542-B2 · Jul 16, 2024 · US
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containing ether groups, [IMAGE cpc-sch-C07C-0958.gif] groups,[IMAGE cpc-sch-C07C-0959.gif] groups, or[IMAGE cpc-sch-C07C-0960.gif] groups
containing ether groups, [IMAGE cpc-sch-C07C-0958.gif] groups,[IMAGE cpc-sch-C07C-0959.gif] groups, or[IMAGE cpc-sch-C07C-0960.gif] 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 | C07C59/305 |
| Official title | containing ether groups, [IMAGE cpc-sch-C07C-0958.gif] groups,[IMAGE cpc-sch-C07C-0959.gif] groups, or[IMAGE cpc-sch-C07C-0960.gif] groups |
| Display label | containing ether groups, [IMAGE cpc-sch-C07C-0958.gif] groups,[IMAGE cpc-sch-C07C-0959.gif] groups, or[IMAGE cpc-sch-C07C-0960.gif] groups |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Long alpha-omega di-functional linear ethers
US-11634376-B2 · Apr 25, 2023 · US
Calixarene compound, curable composition, and cured product
US-11472763-B2 · Oct 18, 2022 · US
Method of using multicarboxylate compositions in enhanced oil recovery
US-2022162499-A1 · May 26, 2022 · US
Method of using multicarboxylate compositions in enhanced oil recovery
US-11248159-B2 · Feb 15, 2022 · US
Calixarene compound, curable composition, and cured product
US-2021198178-A1 · Jul 1, 2021 · US
Process for preparing an anticorrosion component for an antifreeze
US-10961177-B2 · Mar 30, 2021 · US
Long alpha-omega di-functional linear ethers
US-2021047255-A1 · Feb 18, 2021 · US
Process for preparing an anticorrosion component for an antifreeze
US-2020283365-A1 · Sep 10, 2020 · US
Method of using multicarboxylate compositions in enhanced oil recovery
US-2019153299-A1 · May 23, 2019 · US
Method of using multicarboxylate compositions in enhanced oil recovery
US-10233382-B2 · Mar 19, 2019 · US
Nitrogen containing surfactants with alkoxylation on the hydroxyl group of fatty chains
US-10000437-B2 · Jun 19, 2018 · US
Multicarboxylate compositions and method of making the same
US-9976072-B2 · May 22, 2018 · US
Organic oligomers of acylglycerol
US-9957222-B2 · May 1, 2018 · US
Method of using multicarboxylate compositions in enhanced oil recovery
US-2017198202-A1 · Jul 13, 2017 · US
Organic oligomers of acylglycerol
US-2016031794-A1 · Feb 4, 2016 · US
Nitrogen Containing Surfactants With Alkoxylation on the Hydroxyl Group of Fatty Chains
US-2016009627-A1 · Jan 14, 2016 · US
Multicarboxylate Compositions And Method Of Making The Same
US-2015275068-A1 · Oct 1, 2015 · US