Isomerization of polyunsaturated non-aromatic compounds
US-2022315519-A1 · Oct 6, 2022 · US
by isomerisation; by change of size of the carbon skeleton
by isomerisation; by change of size of the carbon skeleton · 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 | C07C45/67 |
| Official title | by isomerisation; by change of size of the carbon skeleton |
| Display label | by isomerisation; by change of size of the carbon skeleton |
| Total patents | 88 |
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 | 11 |
| 2016 | 15 |
| 2017 | 11 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 9 |
| 2023 | 5 |
| 2024 | 13 |
| 2025 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
7-methyl-3-methylene-7-octenal acetal compound and methods for producing aldehyde compound and ester compound using the same
US-2022306565-A1 · Sep 29, 2022 · US
Isomerisation reaction
US-11390575-B2 · Jul 19, 2022 · US
7-methyl-3-methylene-7-octenal acetal compound and methods for producing aldehyde compound and ester compound using the same
US-11384046-B2 · Jul 12, 2022 · US
Synthesis of intermediates for producing prostacyclin derivatives
US-2022213020-A1 · Jul 7, 2022 · US
Process for the preparation of intermediates for the synthesis of vitamin a derivatives from polyenes by cyclisation
US-2022204434-A1 · Jun 30, 2022 · US
Deuterated 1-piperazino-3-phenyl indanes for treatment of schizophrenia
US-2022119362-A1 · Apr 21, 2022 · US
Isomerisation reaction
US-2022041536-A1 · Feb 10, 2022 · US
Synthesis of intermediates for producing prostacyclin derivatives
US-11225452-B2 · Jan 18, 2022 · US
Deuterated 1-piperazino-3-phenyl indanes for treatment of schizophrenia
US-11059798-B2 · Jul 13, 2021 · US
Production method for fluoromethyl derivative
US-2021206740-A1 · Jul 8, 2021 · US
Application of metal hydride/palladium compound system in preparation of 1,3-dicarbonyl compound in cascade reaction of electron-deficient alkene compound
US-2021206707-A1 · Jul 8, 2021 · US
Synthesis of intermediates for producing prostacyclin derivatives
US-2020369592-A1 · Nov 26, 2020 · US
Synthesis of intermediates for producing prostacyclin derivatives
US-10774027-B2 · Sep 15, 2020 · US
7-methyl-3-methylene-7-octenal acetal compund and methods for producing aldehyde compound and ester compound using the same
US-2020181059-A1 · Jun 11, 2020 · US
Deuterated 1-piperazino-3-phenyl indanes for treatment of schizophrenia
US-2020131143-A1 · Apr 30, 2020 · US
7-methyl-3-methylene-7-octenal acetal compound and methods for producing aldehyde compound and ester compound using the same
US-10611718-B2 · Apr 7, 2020 · US
Deuterated 1-piperazino-3-phenyl indanes for treatment of schizophrenia
US-10501427-B2 · Dec 10, 2019 · US
Synthesis of intermediates for producing prostacyclin derivatives
US-2019233362-A1 · Aug 1, 2019 · US
Synthesis of intermediates for producing prostacyclin derivatives
US-10196342-B2 · Feb 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C45/67?
- CPC C07C45/67 is the Cooperative Patent Classification code for “by isomerisation; by change of size of the carbon skeleton.”
- How many patents are filed under CPC C07C45/67 (by isomerisation; by change of size of the carbon skeleton)?
- Our database includes 88 publications tagged with this CPC code.
- Is patent activity under CPC C07C45/67 growing?
- Publication counts under this code: 13 in 2024 vs 10 in 2025 (latest complete years).