Production method for cyclic olefin copolymer and catalyst composition for copolymerization of norbornene monomer and ethylene
US-11795256-B2 · Oct 24, 2023 · US
an alkali metal bound to oxygen · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08F4/083 |
| Official title | {an alkali metal bound to oxygen} |
| Display label | an alkali metal bound to oxygen |
| Total patents | 4 |
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be growing based on the most recent years.
| Year | Patents |
|---|---|
| 2018 | 1 |
| 2019 | 1 |
| 2023 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11795256-B2 · Oct 24, 2023 · US
US-2023192930-A1 · Jun 22, 2023 · US
US-10280101-B2 · May 7, 2019 · US
US-2018111900-A1 · Apr 26, 2018 · US