Method for preparing 3(4),8(9)-bisformyltricyclo[5.2.1.02,6]decane
US-12202796-B2 · Jan 21, 2025 · US
having three rings
having three rings · 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 | C07C61/135 |
| Official title | having three rings |
| Display label | having three rings |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 5 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Salts and crystalline forms of a pd-1/pd-l1 inhibitor
US-2024132523-A1 · Apr 25, 2024 · US
Salts and crystalline forms of a PD-1/PD-L1 inhibitor
US-11866451-B2 · Jan 9, 2024 · US
Resist composition and pattern forming process
US-11720019-B2 · Aug 8, 2023 · US
Resist composition and patterning process
US-11181823-B2 · Nov 23, 2021 · US
Resist composition and pattern forming process
US-2021278763-A1 · Sep 9, 2021 · US
Method for preparing 3(4),8(9)-bisformyltricyclo[5.2.1.0^2,6]decane
US-2021253507-A1 · Aug 19, 2021 · US
Salts and crystalline forms of a pd-1/pd-l1 inhibitor
US-2021139511-A1 · May 13, 2021 · US
Adamantane-intercalated layered double hydroxide
US-10906859-B2 · Feb 2, 2021 · US
Multiple-component solid phases containing at least one active pharmaceutical ingredient
US-10633344-B2 · Apr 28, 2020 · US
Resist composition and patterning process
US-2020089112-A1 · Mar 19, 2020 · US
Photoresist composition
US-10377692-B2 · Aug 13, 2019 · US
Multiple-component solid phases containing at least one active pharmaceutical ingredient
US-2019169130-A1 · Jun 6, 2019 · US
High aspect ratio layered double hydroxide materials and methods for preparation thereof
US-2019039988-A1 · Feb 7, 2019 · US
High aspect ratio layered double hydroxide materials and methods for preparation thereof
US-10138199-B2 · Nov 27, 2018 · US
Synthesis of transition-metal adamantane salts and oxide nanocomposites, and systems and methods including the salts or the nanocomposites
US-10105684-B2 · Oct 23, 2018 · US
Synthesis of magnesium adamantane salts and magnesium oxide nanocomposites, and systems and methods including the salts or the nanocomposites
US-10106482-B2 · Oct 23, 2018 · US
Multiple-component solid phases containing at least one active pharmaceutical ingredient
US-2017362182-A1 · Dec 21, 2017 · US
High aspect ratio layered double hydroxide materials and methods for preparation thereof
US-2017267623-A1 · Sep 21, 2017 · US
Synthesis of transition-metal adamantane salts and oxide nanocomposites, and systems and methods including the salts or the nanocomposites
US-2017266643-A1 · Sep 21, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C61/135?
- CPC C07C61/135 is the Cooperative Patent Classification code for “having three rings.”
- How many patents are filed under CPC C07C61/135 (having three rings)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC C07C61/135 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).