Precursor compound of tetracyclic hydrocarbon and preparation method thereof
US-2026092026-A1 · Apr 2, 2026 · US
with a bridged ring system
with a bridged ring system · 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 | C07C13/68 |
| Official title | with a bridged ring system |
| Display label | with a bridged ring system |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 1 |
| 2024 | 4 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Processes and systems for producing desulfurized alpha olefins
US-12378483-B2 · Aug 5, 2025 · US
Abietanes and methods of making and using the same
US-2025154106-A1 · May 15, 2025 · US
Compounds that can be used in an organic electronic device as active compounds
US-2025120315-A1 · Apr 10, 2025 · US
Compositions Containing Tri-Cyclopentadiene and Processes for Making Same
US-2025115537-A1 · Apr 10, 2025 · US
Diamantane compound, organic electroluminescent device material and organic electroluminescent device
US-2025051250-A1 · Feb 13, 2025 · US
Abietanes and methods of making and using the same
US-12221419-B2 · Feb 11, 2025 · US
Compounds that can be used in an organic electronic device as active compounds
US-12178124-B2 · Dec 24, 2024 · US
Precursor compound of tetracyclic hydrocarbon and preparation method thereof, and tetracyclic hydrocarbon and preparation method and use thereof
US-12162812-B2 · Dec 10, 2024 · US
Precursor compound of tetracyclic hydrocarbon and preparation method thereof, and tetracyclic hydrocarbon and preparation method and use thereof
US-2024327318-A1 · Oct 3, 2024 · US
Processes and systems for producing desulfurized alpha olefins
US-2024218269-A1 · Jul 4, 2024 · US
Shelf life mass polymerizable polycycloolefin compositions as optical materials
US-11230566-B2 · Jan 25, 2022 · US
Diamondoid fuels
US-11203726-B1 · Dec 21, 2021 · US
Compounds that can be used in an organic electronic device as active compounds
US-2021384443-A1 · Dec 9, 2021 · US
Shelf life mass polymerizable polycycloolefin compositions as optical materials
US-2021206789-A1 · Jul 8, 2021 · US
Diamondoid fuels
US-10710941-B1 · Jul 14, 2020 · US
Cycloalkylnorbornene monomers, polymers derived therefrom and their use in pervaporation
US-10227433-B2 · Mar 12, 2019 · US
Hybrid metallized organic fuels
US-10208264-B1 · Feb 19, 2019 · US
Composite catalyst for the photocatalytic isomerisation of norbornadiene to prepare quadricyclane and process for making the catalyst
US-10137443-B2 · Nov 27, 2018 · US
Method for isolating diamondoids
US-10080980-B2 · Sep 25, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C13/68?
- CPC C07C13/68 is the Cooperative Patent Classification code for “with a bridged ring system.”
- How many patents are filed under CPC C07C13/68 (with a bridged ring system)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC C07C13/68 growing?
- Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).