Method of producing acrylonitrile dimer
US-12404234-B2 · Sep 2, 2025 · US
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comprising phosphinous acid (-ester) groups (R2P(OR')) or the isomeric phosphine oxide groups (R3P=O) , i.e. R= C, R'= C, H
comprising phosphinous acid (-ester) groups (R2P(OR')) or the isomeric phosphine oxide groups (R3P=O) , i.e. R= C, R'= C, H · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J31/0262 |
| Official title | {comprising phosphinous acid (-ester) groups (R2P(OR')) or the isomeric phosphine oxide groups (R3P=O) , i.e. R= C, R'= C, H} |
| Display label | comprising phosphinous acid (-ester) groups (R2P(OR')) or the isomeric phosphine oxide groups (R3P=O) , i.e. R= C, R'= C, H |
| Total patents | 7 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2022 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for preparing acrylonitrile dimer
US-12365647-B2 · Jul 22, 2025 · US
Method of preparing acrylonitrile dimer
US-2022356149-A1 · Nov 10, 2022 · US
Method of producing acrylonitrile dimer
US-2022306571-A1 · Sep 29, 2022 · US
Method for preparing acrylonitrile dimer
US-2022204440-A1 · Jun 30, 2022 · US
Selective hydrogenation catalyst and methods of making and using same
US-9511359-B2 · Dec 6, 2016 · US
Selective Hydrogenation Catalyst and Methods of Making and Using Same
US-2016136630-A1 · May 19, 2016 · US