Polyoxymethylene and method of producing same
US-11981772-B2 · May 14, 2024 · US
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Polymerisation by using compounds which act upon the molecular weight, e.g. chain-transferring agents
Polymerisation by using compounds which act upon the molecular weight, e.g. chain-transferring agents · 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 | C08G2/04 |
| Official title | Polymerisation by using compounds which act upon the molecular weight, e.g. chain-transferring agents |
| Display label | Polymerisation by using compounds which act upon the molecular weight, e.g. chain-transferring agents |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 5 |
| 2017 | 5 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 3 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing oxymethylene polymer and oxymethylene polymer resin composition
US-11326051-B2 · May 10, 2022 · US
Method for producing oxymethylene polymer and oxymethylene polymer resin composition
US-2022056259-A1 · Feb 24, 2022 · US
Polyoxymethylene and method of producing same
US-2022033558-A1 · Feb 3, 2022 · US
Process for improving the flexural toughness of moldings
US-10961384-B2 · Mar 30, 2021 · US
Method for producing oxymethylene copolymer
US-10954332-B2 · Mar 23, 2021 · US
Method for producing oxymethylene copolymer
US-2020354500-A1 · Nov 12, 2020 · US
Method for producing oxymethylene copolymer
US-10280258-B2 · May 7, 2019 · US
Method for producing polyacetal copolymer
US-9745400-B2 · Aug 29, 2017 · US
Process for producing polyacetal copolymer
US-9695265-B2 · Jul 4, 2017 · US
Method for producing polyacetal copolymer
US-2017114176-A1 · Apr 27, 2017 · US
Process for improving the flexural toughness of moldings
US-2017114216-A1 · Apr 27, 2017 · US
Process for producing polyacetal copolymer
US-2017073451-A1 · Mar 16, 2017 · US
Method for producing oxymethylene copolymer
US-2016369050-A1 · Dec 22, 2016 · US
Method for producing polyoxymethylene dimethyl ethers from feedstock of concentrated formaldehyde
US-2016168307-A1 · Jun 16, 2016 · US
Method for producing oxymethylene copolymer
US-2016145384-A1 · May 26, 2016 · US
Method for producing an oxymethylene copolymer
US-2016102190-A1 · Apr 14, 2016 · US
Production method for oxymethylene copolymer
US-2016090445-A1 · Mar 31, 2016 · US