Vanillin-derived flame retardant monomers, resins, prepolymers, and polymers
US-2023295198-A1 · Sep 21, 2023 · US
the oxygen atom being part of a three-membered ring · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07F9/65502 |
| Official title | {the oxygen atom being part of a three-membered ring} |
| Display label | the oxygen atom being part of a three-membered ring |
| Total patents | 41 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2018 | 11 |
| 2019 | 11 |
| 2020 | 11 |
| 2021 | 3 |
| 2023 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2023295198-A1 · Sep 21, 2023 · US
US-2023272283-A1 · Aug 31, 2023 · US
US-2023159961-A1 · May 25, 2023 · US
US-11174369-B2 · Nov 16, 2021 · US
US-11078425-B2 · Aug 3, 2021 · US
US-11053264-B2 · Jul 6, 2021 · US
US-10760000-B2 · Sep 1, 2020 · US
US-10689578-B2 · Jun 23, 2020 · US
US-10689580-B2 · Jun 23, 2020 · US
US-10689577-B2 · Jun 23, 2020 · US
US-2020140468-A1 · May 7, 2020 · US
US-10611897-B2 · Apr 7, 2020 · US
US-2020102501-A1 · Apr 2, 2020 · US
US-10590152-B2 · Mar 17, 2020 · US
US-10557086-B2 · Feb 11, 2020 · US
US-10556919-B2 · Feb 11, 2020 · US
US-2020002509-A1 · Jan 2, 2020 · US
US-2019225888-A1 · Jul 25, 2019 · US
US-2019185497-A1 · Jun 20, 2019 · US
US-2019169213-A1 · Jun 6, 2019 · US
Answers are generated from the same data shown on this page.