Carrier for olefin polymerization catalyst and application thereof, catalyst for olefin polymerization and application thereof, and olefin polymerization method
US-2023406965-A1 · Dec 21, 2023 · US
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Friedel-Crafts catalysts in general
Friedel-Crafts catalysts in general · 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 | C08F4/005 |
| Official title | {Friedel-Crafts catalysts in general} |
| Display label | Friedel-Crafts catalysts in general |
| Total patents | 23 |
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 | 1 |
| 2016 | 1 |
| 2017 | 4 |
| 2018 | 4 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 7 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydrocarbon resin, method for preparing hydrocarbon resin, and adhesive composition
US-11168156-B2 · Nov 9, 2021 · US
Olefin-acrylate copolymers with pendant hydroxyl functionality and use thereof
US-11078313-B2 · Aug 3, 2021 · US
Polymerisation process
US-11053331-B2 · Jul 6, 2021 · US
Process for the production of isobutene polymers with improved temperature control
US-2021147590-A1 · May 20, 2021 · US
Method for producing butene polymer
US-11008409-B2 · May 18, 2021 · US
Method for producing amino methylated bead polymerizates
US-10975235-B2 · Apr 13, 2021 · US
Polymerization of Michael-type and heterocyclic monomers
US-10894845-B2 · Jan 19, 2021 · US
Method for producing butene polymer
US-2020270377-A1 · Aug 27, 2020 · US
Hydrocarbon resin, method for preparing hydrocarbon resin, and adhesive composition
US-10676546-B2 · Jun 9, 2020 · US
Polymerization of michael-type and heterocyclic monomers
US-2019315894-A1 · Oct 17, 2019 · US
Polymerisation process
US-2019309103-A1 · Oct 10, 2019 · US
Method for producing amino methylated bead polymerizates
US-2019119480-A1 · Apr 25, 2019 · US
Method for producing amino methylated bead polymerizates from N-carboxylic acid methylphthalimide esters
US-10016754-B2 · Jul 10, 2018 · US
2,3,3,3-tetrafluoro-1-propene as diluent for the preparation of novel butyl rubbers
US-10011670-B2 · Jul 3, 2018 · US
Method for producing amino methylated bead polymerizates
US-9968926-B2 · May 15, 2018 · US
Polymerization of michael-type monomers
US-2018086858-A1 · Mar 29, 2018 · US
Method for producing amino methylated bead polymerizates from n-carboxylic acid methylphthalimide esters
US-2017348684-A1 · Dec 7, 2017 · US
Method for producing amino methylated bead polymerizates
US-2017348685-A1 · Dec 7, 2017 · US
Method for making polyalphaolefins using aluminum halide catalyzed oligomerization of olefins
US-9708549-B2 · Jul 18, 2017 · US