Method for producing a spirooxindole derivative
US-11884678-B2 · Jan 30, 2024 · US
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derived from carbohydrates, including e.g. tartrates or DIOP
derived from carbohydrates, including e.g. tartrates or DIOP · 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 | B01J2531/0272 |
| Official title | derived from carbohydrates, including e.g. tartrates or DIOP |
| Display label | derived from carbohydrates, including e.g. tartrates or DIOP |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydrogenation of imines with Ru complexes
US-11498901-B2 · Nov 15, 2022 · US
Method for producing a spirooxindole derivative
US-2022259216-A9 · Aug 18, 2022 · US
Hydrogenation of imines with ru complexes
US-2021371382-A1 · Dec 2, 2021 · US
Method for producing a spirooxindole derivative
US-2021323970-A1 · Oct 21, 2021 · US
Method for producing a spirooxindole derivative
US-10851111-B2 · Dec 1, 2020 · US
Novel esterification catalyst and uses thereof
US-2020190046-A1 · Jun 18, 2020 · US
Method for producing a spirooxindole derivative
US-2020172548-A9 · Jun 4, 2020 · US
Transition metal tungsten oxy-hydroxide
US-10428281-B2 · Oct 1, 2019 · US
Method for producing a spirooxindole derivative
US-2018319808-A1 · Nov 8, 2018 · US
Transition metal tungsten oxy-hydroxide
US-2018320092-A1 · Nov 8, 2018 · US
Transition metal tungsten oxy-hydroxide
US-10053637-B2 · Aug 21, 2018 · US
Method for producing a spirooxindole derivative
US-10030028-B2 · Jul 24, 2018 · US
Transition metal tungsten oxy-hydroxide
US-2017165656-A1 · Jun 15, 2017 · US
Method for producing spirooxindole derivative
US-2017158703-A9 · Jun 8, 2017 · US
Stable catalysts for electroless metallization
US-9611549-B2 · Apr 4, 2017 · US
Method for producing spirooxindole derivative
US-2016194331-A1 · Jul 7, 2016 · US
Stable tin free catalysts for electroless metallization
US-9382626-B2 · Jul 5, 2016 · US
Stable tin free catalysts for electroless metallization
US-2015307991-A1 · Oct 29, 2015 · US
Stable catalysts for electroless metallization
US-2015284856-A1 · Oct 8, 2015 · US