Non-aqueous electrolyte for a lithium ion battery and lithium ion battery
US-2023411689-A1 · Dec 21, 2023 · US
Spiro-condensed systems
Spiro-condensed 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 | C07D497/10 |
| Official title | Spiro-condensed systems |
| Display label | Spiro-condensed systems |
| Total patents | 71 |
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 | 4 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 3 |
| 2019 | 10 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 12 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of preparing organosulfur compound
US-2023391793-A1 · Dec 7, 2023 · US
Method of preparing organosulfur compound
US-2023391743-A1 · Dec 7, 2023 · US
Photochromic compound and curable composition containing the photochromic compound
US-2023242808-A1 · Aug 3, 2023 · US
Compositions and methods for the treatment of xerostomia
US-11643419-B2 · May 9, 2023 · US
Amine compound having fused ring, and organic light-emitting device comprising same
US-2023134334-A1 · May 4, 2023 · US
Benzimidazole derivatives
US-2023139809-A1 · May 4, 2023 · US
Nampt modulators
US-2023133132-A1 · May 4, 2023 · US
Photochromic cyclic compound and curable composition containing the photochromic cyclic compound
US-2023133211-A1 · May 4, 2023 · US
Radiation-sensitive resin composition and method for forming pattern
US-2023106095-A1 · Apr 6, 2023 · US
Irak degraders and uses thereof
US-2023069104-A1 · Mar 2, 2023 · US
Quinolin-2-one derivatives
US-2023028687-A1 · Jan 26, 2023 · US
Organic compound and application thereof
US-2022328770-A1 · Oct 13, 2022 · US
Chromene compound, curable composition comprising the compound, and optical article including a cured body of the curable composition
US-11401276-B2 · Aug 2, 2022 · US
Lithium battery
US-11335952-B2 · May 17, 2022 · US
Lithium battery
US-11264645-B2 · Mar 1, 2022 · US
Lithium battery
US-11264644-B2 · Mar 1, 2022 · US
Lithium battery
US-11251432-B2 · Feb 15, 2022 · US
Quinolin-2-one derivatives
US-11186562-B2 · Nov 30, 2021 · US
Quinolin-2-one derivatives
US-11174241-B2 · Nov 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D497/10?
- CPC C07D497/10 is the Cooperative Patent Classification code for “Spiro-condensed systems.”
- How many patents are filed under CPC C07D497/10 (Spiro-condensed systems)?
- Our database includes 71 publications tagged with this CPC code.
- Is patent activity under CPC C07D497/10 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).