Molded catalyst, production method for same, and method for producing cyclic ketone using same
US-12478953-B2 · Nov 25, 2025 · US
of a six-membered ring, e.g. quinone methides
of a six-membered ring, e.g. quinone methides · 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 | C07C49/603 |
| Official title | of a six-membered ring, e.g. quinone methides |
| Display label | of a six-membered ring, e.g. quinone methides |
| Total patents | 39 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
1,3-cyclohexanedione derivatives and 1,3-cyclopentanedione derivatives as buffering molecules in non-aqueous solutions
US-12448345-B2 · Oct 21, 2025 · US
Conjugation reagents and methods using 1,2-cyclohexanediones
US-12441761-B2 · Oct 14, 2025 · US
1,3-cyclohexanedione derivatives and 1,3-cyclopentanedione derivatives as buffering molecules in non-aqueous solutions
US-2024132435-A1 · Apr 25, 2024 · US
Conjugation Reagents and Methods Using 1,2-Cyclohexanediones
US-2023295222-A1 · Sep 21, 2023 · US
Synthesis of intermediates for the preparation of alpha-tocopherol
US-11724996-B2 · Aug 15, 2023 · US
Conjugation reagents and methods using 1,2-cyclohexanediones
US-11639366-B2 · May 2, 2023 · US
Fragrances with rose scent
US-11634659-B2 · Apr 25, 2023 · US
Molded catalyst, production method for same, and method for producing cyclic ketone using same
US-2022395823-A1 · Dec 15, 2022 · US
Conjugation reagents and methods using 1,2-cyclohexanediones
US-2022144885-A1 · May 12, 2022 · US
Molecular host frameworks and methods of making and using same
US-11312681-B2 · Apr 26, 2022 · US
Novel fragrances with rose scent
US-2021324300-A1 · Oct 21, 2021 · US
Synthesis of intermediates for the preparation of alpha-tocopherol
US-2021300886-A1 · Sep 30, 2021 · US
Dehydrogenation reaction
US-10899694-B2 · Jan 26, 2021 · US
Herbicidal propynyl-phenyl compounds
US-10662138-B2 · May 26, 2020 · US
Novel synthesis of intermediates for the preparation of alpha-tocopherol
US-2020131145-A1 · Apr 30, 2020 · US
Methods for producing cyclic and acyclic ketones
US-10618856-B2 · Apr 14, 2020 · US
Molecular host frameworks and methods of making and using same
US-2019375706-A1 · Dec 12, 2019 · US
Synthesis of hypervalent iodine reagents with dioxygen
US-10487099-B2 · Nov 26, 2019 · US
Dehydrogenation reaction
US-2019345088-A1 · Nov 14, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C49/603?
- CPC C07C49/603 is the Cooperative Patent Classification code for “of a six-membered ring, e.g. quinone methides.”
- How many patents are filed under CPC C07C49/603 (of a six-membered ring, e.g. quinone methides)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC C07C49/603 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).