Tartaric acid esters · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C69/70 |
| Official title | Tartaric acid esters |
| Display label | Tartaric acid esters |
| Total patents | 22 |
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 | 7 |
| 2018 | 5 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 1 |
| 2024 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2024199599-A1 · Jun 20, 2024 · US
US-11090255-B2 · Aug 17, 2021 · US
US-10851042-B2 · Dec 1, 2020 · US
US-2020299223-A1 · Sep 24, 2020 · US
US-2020170923-A1 · Jun 4, 2020 · US
US-10617617-B1 · Apr 14, 2020 · US
US-10619000-B2 · Apr 14, 2020 · US
US-2019263960-A1 · Aug 29, 2019 · US
US-10351658-B2 · Jul 16, 2019 · US
US-10125215-B2 · Nov 13, 2018 · US
US-2018215859-A1 · Aug 2, 2018 · US
US-9981933-B2 · May 29, 2018 · US
US-9963537-B2 · May 8, 2018 · US
US-9902707-B2 · Feb 27, 2018 · US
US-2016272751-A1 · Sep 22, 2016 · US
US-2016264542-A1 · Sep 15, 2016 · US
US-2016264561-A1 · Sep 15, 2016 · US
US-9394397-B2 · Jul 19, 2016 · US
US-2016122468-A1 · May 5, 2016 · US
US-9296680-B2 · Mar 29, 2016 · US