Polymers including a methylene beta-ketoester and products formed therefrom
US-2019315892-A1 · Oct 17, 2019 · US
by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
by modifying the acid moiety of the ester, such modification not being an introduction of an ester group · 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 | C07C67/30 |
| Official title | by modifying the acid moiety of the ester, such modification not being an introduction of an ester group |
| Display label | by modifying the acid moiety of the ester, such modification not being an introduction of an ester group |
| Total patents | 107 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 14 |
| 2017 | 13 |
| 2018 | 13 |
| 2019 | 7 |
| 2020 | 15 |
| 2021 | 9 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 8 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polymers including a methylene beta-ketoester and products formed therefrom
US-10414839-B2 · Sep 17, 2019 · US
Method for preparing azetidinone compound and intermediate of azetidinone compound
US-10364219-B2 · Jul 30, 2019 · US
Process for preparing substituted crotonic acids
US-2019135725-A1 · May 9, 2019 · US
Polyglyoxylates, manufacture and use thereof
US-10214609-B2 · Feb 26, 2019 · US
Transition metal complex containing sulfonamide or amide group for olefin metathesis reaction and application thereof
US-2019030521-A1 · Jan 31, 2019 · US
Methods for the synthesis of activated ethylfumarates and their use as intermediates
US-2019010131-A1 · Jan 10, 2019 · US
Multifunctional monomers, methods for making multifunctional monomers, polymerizable compositions and products formed thereform
US-2018346615-A1 · Dec 6, 2018 · US
Multifunctional monomers, methods for making multifunctional monomers, polymerizable compositions and products formed thereform
US-2018327525-A1 · Nov 15, 2018 · US
Method for producing carboxylic acid anhydride and method for producing carboxylic acid ester
US-10125081-B2 · Nov 13, 2018 · US
Optical film, polarizing plate, image display device, polymerizable compound, and method for manufacturing 1,4-cyclohexanedicarboxylic acid monoaryl ester
US-2018267368-A1 · Sep 20, 2018 · US
Methods for the synthesis of activated ethylfumarates and their use as intermediates
US-10071969-B2 · Sep 11, 2018 · US
Para-substituted indanyl and tetralinyl derivatives
US-2018215740-A1 · Aug 2, 2018 · US
Stereoselective synthesis of 9-cis.13,14-dihydroretinoic acid and its ethyl esters
US-2018170867-A1 · Jun 21, 2018 · US
Flexible to rigid nanoporous polyurethane-acrylate (PUAC) type materials for structural and thermal insulation applications
US-9994516-B2 · Jun 12, 2018 · US
Nonpolar phase-soluble metathesis catalysts
US-9988339-B2 · Jun 5, 2018 · US
Multifunctional monomers, methods for making multifunctional monomers, polymerizable compositions and products formed therefrom
US-9969822-B2 · May 15, 2018 · US
Method for preparing azetidinone compound and intermediate of azetidinone compound
US-2018099930-A1 · Apr 12, 2018 · US
Method for preparing azetidinone compound and intermediate of azetidinone compound
US-9926268-B2 · Mar 27, 2018 · US
Process for synthesizing highly optically active 1,3-disubstituted allenes
US-9873713-B2 · Jan 23, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C67/30?
- CPC C07C67/30 is the Cooperative Patent Classification code for “by modifying the acid moiety of the ester, such modification not being an introduction of an ester group.”
- How many patents are filed under CPC C07C67/30 (by modifying the acid moiety of the ester, such modification not being an introduction of an ester group)?
- Our database includes 107 publications tagged with this CPC code.
- Is patent activity under CPC C07C67/30 growing?
- Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).