Analogues of mycosporine-like amino acid and use thereof as sunscreens
US-2023067277-A1 · Mar 2, 2023 · US
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containing imino groups
containing imino groups · 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 | C07C251/02 |
| Official title | containing imino groups |
| Display label | containing imino groups |
| Total patents | 12 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for the preparation of syndiotactic 1,2-polybutadiene in the presence of a catalytic system comprising a pyridyl iron complex
US-10954326-B2 · Mar 23, 2021 · US
Process for the preparation of syndiotactic 1,2-polybutadiene in the presence of a catalytic system comprising a pyridyl iron complex
US-2020024379-A1 · Jan 23, 2020 · US
Intermediates and methods for synthesizing calicheamicin derivatives
US-10508081-B2 · Dec 17, 2019 · US
Intermediates and methods for synthesizing calicheamicin derivatives
US-2018134656-A1 · May 17, 2018 · US
Intermediates and methods for synthesizing calicheamicin derivatives
US-9902691-B2 · Feb 27, 2018 · US
Long chain base sphingosine kinase inhibitors
US-9688668-B2 · Jun 27, 2017 · US
Fluorene-type compound, photopolymerization initiator comprising said fluorene-type compound, and photosensitive composition containing said photopolymerization initiator
US-9684238-B2 · Jun 20, 2017 · US
Iron complexes and methods for polymerization
US-2016272742-A1 · Sep 22, 2016 · US
Intermediates and methods for synthesizing calicheamicin derivatives
US-2016251389-A1 · Sep 1, 2016 · US
Iron complexes and methods for polymerization
US-9290591-B2 · Mar 22, 2016 · US
Long chain base sphingosine kinase inhibitors
US-2015210675-A1 · Jul 30, 2015 · US