Process for preparing polypropylene composition
US-2019367642-A1 · Dec 5, 2019 · US
containing aliphatic unsaturation
containing aliphatic unsaturation · 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 | C08F4/6492 |
| Official title | {containing aliphatic unsaturation} |
| Display label | containing aliphatic unsaturation |
| Total patents | 216 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 8 |
| 2017 | 14 |
| 2018 | 24 |
| 2019 | 39 |
| 2020 | 34 |
| 2021 | 37 |
| 2022 | 19 |
| 2023 | 14 |
| 2024 | 8 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Manufacturing method for propylene block copolymer
US-10487169-B2 · Nov 26, 2019 · US
Polyethylene composition for blow molding having high stress cracking resistance
US-2019309148-A1 · Oct 10, 2019 · US
Polypropylene composition combining low sealing initiation temperature and high melting temperature
US-2019309150-A1 · Oct 10, 2019 · US
LLDPE-containing impact modifier polyolefin composition
US-10385199-B2 · Aug 20, 2019 · US
Process for producing propylene copolymers in gas phase
US-10364307-B2 · Jul 30, 2019 · US
Process for producing polyethylene
US-10364310-B2 · Jul 30, 2019 · US
Long-chain branched polypropylene for foam application
US-10316177-B2 · Jun 11, 2019 · US
Heterophasic polypropylene with improved stiffness/impact balance
US-10308795-B2 · Jun 4, 2019 · US
Olefin polymerization catalyst and method for producing olefin polymer
US-10301401-B2 · May 28, 2019 · US
Propylene copolymers
US-2018362682-A1 · Dec 20, 2018 · US
Random propylene-ethylene copolymers
US-10155827-B2 · Dec 18, 2018 · US
Method for improving the operability of an olefin polymerization reactor
US-10155888-B2 · Dec 18, 2018 · US
Injection molded article based on propylene homopolymer
US-10138335-B2 · Nov 27, 2018 · US
Catalyst component for the preparation of nucleated polyolefins
US-10138308-B2 · Nov 27, 2018 · US
Catalyst components for the polymerization of olefins
US-10125200-B2 · Nov 13, 2018 · US
Polyethylene composition having high stress cracking resistance
US-10113017-B2 · Oct 30, 2018 · US
Composition comprising propylene-ethylene-1-butene terpolymers
US-2018237564-A1 · Aug 23, 2018 · US
Composition comprising propylene-ethylene-1-butene terpolymers
US-2018237623-A1 · Aug 23, 2018 · US
Polyethylene composition having high mechanical properties and processability
US-2018237621-A1 · Aug 23, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F4/6492?
- CPC C08F4/6492 is the Cooperative Patent Classification code for “containing aliphatic unsaturation.”
- How many patents are filed under CPC C08F4/6492 (containing aliphatic unsaturation)?
- Our database includes 216 publications tagged with this CPC code.
- Is patent activity under CPC C08F4/6492 growing?
- Publication counts under this code: 8 in 2024 vs 12 in 2025 (latest complete years).