Production device
US-2025224702-A1 · Jul 10, 2025 · US
by addition of compounds to unsaturated compounds
by addition of compounds to unsaturated compounds · 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 | C07C41/05 |
| Official title | by addition of compounds to unsaturated compounds |
| Display label | by addition of compounds to unsaturated compounds |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 3 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Etherification of high concentration c5 iso-olefins via catalytic distillation
US-2025059121-A1 · Feb 20, 2025 · US
Process for producing dimethyl ether (dme) from synthesis gas
US-2025011268-A1 · Jan 9, 2025 · US
Dimerization and trimerization of C5 olefins via catalytic distillation
US-12162814-B2 · Dec 10, 2024 · US
Etherification of high concentration C5 ISO-olefins via catalytic distillation
US-12162825-B2 · Dec 10, 2024 · US
Catalytic method for the preparation of perfluoroalkoxy-substituted arenes and heteroarenes
US-2024150271-A1 · May 9, 2024 · US
A method for the preparation of 1,2-propanediol, dipropylene glycol and tripropylene glycol
US-2023382839-A1 · Nov 30, 2023 · US
A method for the preparation of 1,2-propanediol and dipropylene glycol
US-2023382833-A1 · Nov 30, 2023 · US
Metallosilicate catalyst regeneration
US-2022266238-A1 · Aug 25, 2022 · US
Etherification of high concentration c5 iso-olefins via catalytic distillation
US-2022259126-A1 · Aug 18, 2022 · US
Dimerization and trimerization of c5 olefins via catalytic distillation
US-2022127208-A1 · Apr 28, 2022 · US
Method for preparing ethers of cycloaliphatic or araliphatic diols
US-11078146-B2 · Aug 3, 2021 · US
Method for preparing ethers of cycloaliphatic or araliphatic diols
US-2021171427-A1 · Jun 10, 2021 · US
Process for producing diisopropyl ether from high purity propylene
US-10392331-B2 · Aug 27, 2019 · US
Process for producing diisopropyl ether from high purity propylene
US-10392330-B2 · Aug 27, 2019 · US
Process for producing diisopropyl ether from high purity propylene
US-10377688-B2 · Aug 13, 2019 · US
Direct anti-markovnikov addition of acids to alkenes
US-10017441-B2 · Jul 10, 2018 · US
Process for producing diisopropyl ether from high purity propylene
US-2018179135-A1 · Jun 28, 2018 · US
Process for producing diisopropyl ether from high purity propylene
US-2018179134-A1 · Jun 28, 2018 · US
Process for producing diisopropyl ether from high purity propylene
US-2018179133-A1 · Jun 28, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C41/05?
- CPC C07C41/05 is the Cooperative Patent Classification code for “by addition of compounds to unsaturated compounds.”
- How many patents are filed under CPC C07C41/05 (by addition of compounds to unsaturated compounds)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC C07C41/05 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).