(2,4-dichlorophenoxy)acetic acid analogs
US-2026042731-A1 · Feb 12, 2026 · US
This page is not indexed by search engines while we improve data quality.
with the esterifying carboxyl groups bound to hydrogen atoms, to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings
with the esterifying carboxyl groups bound to hydrogen atoms, to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings · 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 | C07C251/66 |
| Official title | with the esterifying carboxyl groups bound to hydrogen atoms, to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings |
| Display label | with the esterifying carboxyl groups bound to hydrogen atoms, to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fragrance and flavor materials
US-2025091984-A1 · Mar 20, 2025 · US
Process and intermediates
US-11434192-B2 · Sep 6, 2022 · US
Negative photosensitive resin composition, cured film, and organic el display and manufacturing method therefor
US-2021191264-A1 · Jun 24, 2021 · US
Photosensitive composition and compound
US-10539872-B2 · Jan 21, 2020 · US
Process and intermediates
US-2019308927-A1 · Oct 10, 2019 · US
Process and intermediates
US-10377697-B2 · Aug 13, 2019 · US
New process and intermediates
US-2018354889-A1 · Dec 13, 2018 · US
Fluorenyl β-oxime ester compounds, photopolymerization initiator and photoresist composition containing the same
US-9873663-B2 · Jan 23, 2018 · US
Fluorene-type compound, photopolymerization initiator comprising said fluorene-type compound, and photosensitive composition containing said photopolymerization initiator
US-9684238-B2 · Jun 20, 2017 · US
Photosensitive composition and compound
US-2017160636-A1 · Jun 8, 2017 · US
Hematopoietic growth factor mimetic small molecule compounds and their uses
US-9622991-B2 · Apr 18, 2017 · US
Photoinitiator mixtures
US-9624171-B2 · Apr 18, 2017 · US
Novel fluorenyl b-oxime ester compounds, photopolymerization initiator and photoresist composition containing the same
US-2016332960-A1 · Nov 17, 2016 · US
Fluorene oxime ester compound, photopolymerization initiator and photoresist composition containing the same
US-9316906-B2 · Apr 19, 2016 · US
Substituted cathechols as inhibitors of IL-4 and IL-5 for the treatment of bronchial asthma
US-9302967-B2 · Apr 5, 2016 · US
Hematopoietic growth factor mimetic small molecule compounds and their uses
US-9144557-B2 · Sep 29, 2015 · US
Hematopoietic growth factor mimetic small molecule compounds and their uses
US-2015252043-A1 · Sep 10, 2015 · US
Process for the stereoselective preparation of a pyrazole carboxamide
US-9120759-B2 · Sep 1, 2015 · US
Novel fluorene oxime ester compound, photopolymerization initiator and photoresist composition containing the same
US-2015111152-A1 · Apr 23, 2015 · US