3,6-dichlorosalicylic acid compounds and related synthetic processes
US-10519092-B2 · Dec 31, 2019 · US
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 | C07C65/21 |
| 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 | 113 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 15 |
| 2017 | 12 |
| 2018 | 17 |
| 2019 | 9 |
| 2020 | 12 |
| 2021 | 7 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Solid forms comprising 4-amino-2-(2,6-dioxopiperidine-3-yl)isoindoline-1,3-dione and a coformer, compositions and methods of use thereof
US-10376503-B2 · Aug 13, 2019 · US
Method for producing 2-halogenated benzoic acids
US-10364206-B2 · Jul 30, 2019 · US
Laser ablative dielectric material
US-10304720-B2 · May 28, 2019 · US
Catalysts for the mechanocatalytic oxidative depolymerization of polymer-containing materials and methods of making oxidized reaction products using same
US-10294184-B2 · May 21, 2019 · US
New vanillin and or ethylvanillin, process for their preparations and use thereof
US-2019031588-A1 · Jan 31, 2019 · US
Method of catalytic oxidation of lignite using oxygen as oxidant at atmospheric pressure
US-10160712-B2 · Dec 25, 2018 · US
Substituted Phenethylamines With Serotoninergic And/Or Norepinephrinergic Activity
US-2018256517-A1 · Sep 13, 2018 · US
Labile esters of agrochemicals for controlled release and reduction of off-site movement
US-2018258025-A1 · Sep 13, 2018 · US
Polymerizable liquid crystal compound, composition for optical film, and optical film, compensation film, antireflective film, and display device including the same
US-10071949-B2 · Sep 11, 2018 · US
Method of catalytic oxidation of lignite using oxygen as oxidant at atmospheric pressure
US-2018237371-A1 · Aug 23, 2018 · US
Solid forms comprising 4-amino-2-(2,6-dioxopiperidine-3-yl)isoindoline-1,3-dione and a coformer, compositions and methods of use thereof
US-2018200245-A1 · Jul 19, 2018 · US
Process for preparation of herbicidal carboxylic acid salts
US-10011552-B2 · Jul 3, 2018 · US
3,6-dichlorosalicylic acid compounds and related synthetic processes
US-2018155265-A1 · Jun 7, 2018 · US
Zinc cluster compounds and their use as catalysts in the reaction of amines with dialkyl carbonates
US-9988344-B2 · Jun 5, 2018 · US
Solid forms comprising 4-amino-2-(2,6-dioxopiperidine-3-yl)isoindoline-1,3-dione and a coformer, compositions and methods of use thereof
US-9974780-B2 · May 22, 2018 · US
Compound
US-9975881-B2 · May 22, 2018 · US
Process for producing 2,5-dihalophenolethers
US-9957212-B2 · May 1, 2018 · US
Substituted Phenethylamines With Serotoninergic And/Or Norepinephrinergic Activity
US-2018085327-A1 · Mar 29, 2018 · US
Method for producing 2-halogenated benzoic acids
US-2018086687-A1 · Mar 29, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C65/21?
- CPC C07C65/21 is the Cooperative Patent Classification code for “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.”
- How many patents are filed under CPC C07C65/21 (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)?
- Our database includes 113 publications tagged with this CPC code.
- Is patent activity under CPC C07C65/21 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).