Novel surfactants derived from glycidyl esters of rosin acids
US-2026085032-A1 · Mar 26, 2026 · US
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of a carbon skeleton substituted by carboxyl groups
of a carbon skeleton substituted by carboxyl 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 | C07C309/70 |
| Official title | of a carbon skeleton substituted by carboxyl groups |
| Display label | of a carbon skeleton substituted by carboxyl groups |
| 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 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 1 |
| 2023 | 3 |
| 2024 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Photoacid-generating monomer, polymer derived therefrom, photoresist composition including the polymer, and method of forming a photoresist relief image using the photoresist composition
US-11947258-B2 · Apr 2, 2024 · US
Radioactive halogen labeling precursor compound
US-2024034721-A1 · Feb 1, 2024 · US
Photoacid-generating monomer, polymer derived therefrom, photoresist composition including the polymer, and method of forming a photoresist relief image using the photoresist composition
US-2023212112-A1 · Jul 6, 2023 · US
Photoacid-generating monomer, polymer derived therefrom, photoresist composition including the polymer, and method of forming a photoresist relief image using the photoresist composition
US-11613519-B2 · Mar 28, 2023 · US
Nurr1 receptor modulators
US-2023063230-A1 · Mar 2, 2023 · US
Fatty amides and derivatives from natural oil metathesis
US-10322994-B2 · Jun 18, 2019 · US
Fluorinated sulfonate esters of aryl ketones for non-ionic photo-acid generators
US-9983475-B2 · May 29, 2018 · US
Non-ionic aryl ketone based polymeric photo-acid generators
US-9951164-B2 · Apr 24, 2018 · US
Non-ionic low diffusing photo-acid generators
US-9950999-B2 · Apr 24, 2018 · US
Non-ionic low diffusing photo-acid generators
US-2018044284-A1 · Feb 15, 2018 · US
Non-ionic aryl ketone based polymeric photo-acid generators
US-2018044459-A1 · Feb 15, 2018 · US
Fluorinated sulfonate esters of aryl ketones for non-ionic photo-acid generators
US-2018046077-A1 · Feb 15, 2018 · US
Photoacid-generating monomer, polymer derived therefrom, photoresist composition including the polymer, and method of forming a photoresist relief image using the photoresist composition
US-2017248844-A1 · Aug 31, 2017 · US
Fatty amides and derivatives from natural oil metathesis
US-2017158617-A1 · Jun 8, 2017 · US
Imidazoline amides and derivitives from natural oil metathesis
US-9573884-B2 · Feb 21, 2017 · US
Fatty amides and derivatives from natural oil metathesis
US-2015376118-A1 · Dec 31, 2015 · US
Fatty amides and derivatives from natural oil metathesis
US-9175245-B2 · Nov 3, 2015 · US
Compounds useful in various fields of a lubricant
US-9145432-B2 · Sep 29, 2015 · US
Composition, compound and film forming method
US-9080127-B2 · Jul 14, 2015 · US