Process for the production of formaldehyde-stabilized urea
US-10479761-B2 · Nov 19, 2019 · US
being a primary hydroxyl group
being a primary hydroxyl group · 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 | C07C45/38 |
| Official title | being a primary hydroxyl group |
| Display label | being a primary hydroxyl group |
| Total patents | 115 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 13 |
| 2017 | 11 |
| 2018 | 9 |
| 2019 | 14 |
| 2020 | 12 |
| 2021 | 7 |
| 2022 | 9 |
| 2023 | 6 |
| 2024 | 9 |
| 2025 | 8 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for the production of formaldehyde
US-10457634-B2 · Oct 29, 2019 · US
Green oxidation catalytic system
US-10428043-B2 · Oct 1, 2019 · US
Process for producing prenol and prenal from isoprenol
US-10414707-B2 · Sep 17, 2019 · US
Process for the production of formaldehyde-stabilised urea
US-2019263753-A1 · Aug 29, 2019 · US
Method of producing formaldehyde from methanol
US-10392333-B2 · Aug 27, 2019 · US
Integrated process for the production of partial oxidation product derivatives
US-10351505-B2 · Jul 16, 2019 · US
Method of producing formaldehyde from methanol
US-2019194106-A1 · Jun 27, 2019 · US
Process for the preparation of alpha, beta unsaturated aldehydes by oxidation of alcohols in the presence of a liquid phase
US-2019177260-A1 · Jun 13, 2019 · US
Process for aldehyde manufacture
US-10239810-B2 · Mar 26, 2019 · US
Process for producing prenol and prenal from isoprenol
US-2019077736-A1 · Mar 14, 2019 · US
Activated phyllosilicate clay oxidation catalyst
US-2019039048-A1 · Feb 7, 2019 · US
Integrated process for the production of formaldehyde-stabilised urea
US-2019031604-A1 · Jan 31, 2019 · US
Process For The Production Of Formaldehyde
US-2018362453-A1 · Dec 20, 2018 · US
Integrated Process for the Production of Partial Oxidation Product Derivatives
US-2018334422-A1 · Nov 22, 2018 · US
Green oxidation catalytic system
US-2018297976-A1 · Oct 18, 2018 · US
Process for the production of formaldehyde
US-10087140-B2 · Oct 2, 2018 · US
Integrated process for the production of formaldehyde-stabilized urea
US-10077235-B2 · Sep 18, 2018 · US
Process for aldehyde manufacture
US-2018148399-A1 · May 31, 2018 · US
Integrated process for the production of formaldehyde-stabilized urea
US-2018072658-A1 · Mar 15, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C45/38?
- CPC C07C45/38 is the Cooperative Patent Classification code for “being a primary hydroxyl group.”
- How many patents are filed under CPC C07C45/38 (being a primary hydroxyl group)?
- Our database includes 115 publications tagged with this CPC code.
- Is patent activity under CPC C07C45/38 growing?
- Publication counts under this code: 9 in 2024 vs 8 in 2025 (latest complete years).