Non-linear optical-absorbing material, recording medium, method for recording information, and method for reading information
US-2025046340-A1 · Feb 6, 2025 · US
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Completely or partially hydrogenated naphthalenes
Completely or partially hydrogenated naphthalenes · 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 | C07C13/48 |
| Official title | Completely or partially hydrogenated naphthalenes |
| Display label | Completely or partially hydrogenated naphthalenes |
| Total patents | 16 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of causing conversion of volatile terpene species
US-11932587-B2 · Mar 19, 2024 · US
Method of causing conversion of volatile terpene species
US-2023286883-A1 · Sep 14, 2023 · US
Circular economy methods of preparing unsaturated compounds
US-11753360-B2 · Sep 12, 2023 · US
Compound, liquid-crystal composition, and radio frequency phase shifter
US-11613701-B2 · Mar 28, 2023 · US
Dihydronaphthalene derivative
US-11471436-B2 · Oct 18, 2022 · US
Compound, liquid-crystal composition, and radiofrequency phase shifter
US-2022025264-A1 · Jan 27, 2022 · US
Preparing unsaturated carbocyclic compounds
US-11021421-B2 · Jun 1, 2021 · US
Composition and light emitting device using the same
US-10756269-B2 · Aug 25, 2020 · US
Circular economy methods of preparing unsaturated compounds
US-10435345-B2 · Oct 8, 2019 · US
4-(2-amino-tetrahydronaphthalenyl)pyrimidine derivative, preparation method therefor, and pharmaceutical composition for preventing or treating cancer, containing same as active ingredient
US-10369149-B2 · Aug 6, 2019 · US
4-(2-amino-tetrahydronaphthalenyl)pyrimidine derivative, preparation method therefor, and pharmaceutical composition for preventing or treating cancer, containing same as active ingredient
US-2018104242-A1 · Apr 19, 2018 · US
Composition and light emitting device using the same
US-2018047903-A1 · Feb 15, 2018 · US
Materials for organic electroluminescence devices
US-9893292-B2 · Feb 13, 2018 · US
Dihydronaphthalene derivative
US-2017327439-A1 · Nov 16, 2017 · US
Polycyclic ring assembly compound and organic electroluminescent device employing the same
US-9309174-B2 · Apr 12, 2016 · US