Sandalwood-type fragrance compounds
US-12410113-B2 · Sep 9, 2025 · US
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polycyclic with condensed ring systems
polycyclic with condensed ring systems · 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 | C07C31/137 |
| Official title | polycyclic with condensed ring systems |
| Display label | polycyclic with condensed ring systems |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 3 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods of carbon-carbon bond fragmentation
US-12122730-B2 · Oct 22, 2024 · US
VDR-silent vitamin D derivative as inhibitors of SREBP and pharmaceutical use thereof
US-11932595-B2 · Mar 19, 2024 · US
Inhibitors of antibiotic resistance mediated by arnt
US-2022259249-A1 · Aug 18, 2022 · US
Sandalwood-Type Fragrance Compounds
US-2022220051-A1 · Jul 14, 2022 · US
Vdr-silent vitamin d derivative as inhibitors of srebp and pharmaceutical use thereof
US-2022081381-A1 · Mar 17, 2022 · US
Compounds and synthetic methods for the preparation of retinoid x receptor-specific retinoids
US-2021139404-A1 · May 13, 2021 · US
Compounds and synthetic methods for the preparation of retinoid X receptor-specific retinoids
US-10919835-B2 · Feb 16, 2021 · US
Ladderane lipid compounds and liposomes and methods of preparing and using the same
US-10745424-B2 · Aug 18, 2020 · US
Compounds and synthetic methods for the preparation of retinoid x receptor-specific retinoids
US-2020190008-A1 · Jun 18, 2020 · US
Propellane derivates and synthesis
US-10654812-B2 · May 19, 2020 · US
Compounds and synthetic methods for the preparation of retinoid X receptor-specific retinoids
US-10590059-B2 · Mar 17, 2020 · US
Cyclopropanation of substituted alkenes
US-10584080-B2 · Mar 10, 2020 · US
Open-flask hydroboration and the use thereof
US-10384994-B2 · Aug 20, 2019 · US
Ladderane Lipid Compounds and Liposomes and Methods of Preparing and Using the Same
US-2019177347-A1 · Jun 13, 2019 · US
Compounds and synthetic methods for the preparation of retinoid x receptor-specific retinoids
US-2019152888-A1 · May 23, 2019 · US
Novel octahydroindenyl propanal compounds
US-2018297922-A1 · Oct 18, 2018 · US
Open-flask hydroboration and the use thereof
US-2018050972-A1 · Feb 22, 2018 · US
Cyclohexene- and cyclopropanated cyclohexene- derivatives as fragrances
US-8999914-B2 · Apr 7, 2015 · US