Use of hypophosphorous acid for the esterification of free fatty acids
US-11359163-B2 · Jun 14, 2022 · US
of an acyclic saturated carbon skeleton · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C309/03 |
| Official title | of an acyclic saturated carbon skeleton |
| Display label | of an acyclic saturated carbon skeleton |
| Total patents | 7 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 2 |
| 2018 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11359163-B2 · Jun 14, 2022 · US
US-2021155870-A1 · May 27, 2021 · US
US-10577312-B2 · Mar 3, 2020 · US
US-2018319739-A1 · Nov 8, 2018 · US
US-2017287705-A1 · Oct 5, 2017 · US
US-9541834-B2 · Jan 10, 2017 · US
US-2015212414-A1 · Jul 30, 2015 · US