Catalyst for the preparation of polyurethanes
US-2018327534-A1 · Nov 15, 2018 · US
with the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a six-membered aromatic ring · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C235/84 |
| Official title | with the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a six-membered aromatic ring |
| Display label | with the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a six-membered aromatic ring |
| Total patents | 111 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 23 |
| 2017 | 14 |
| 2018 | 13 |
| 2019 | 5 |
| 2020 | 11 |
| 2021 | 8 |
| 2022 | 3 |
| 2023 | 9 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2018327534-A1 · Nov 15, 2018 · US
US-10125082-B2 · Nov 13, 2018 · US
US-10005721-B2 · Jun 26, 2018 · US
US-2018170857-A1 · Jun 21, 2018 · US
US-9938234-B2 · Apr 10, 2018 · US
US-2018057468-A1 · Mar 1, 2018 · US
US-9890111-B2 · Feb 13, 2018 · US
US-9834523-B2 · Dec 5, 2017 · US
US-9782399-B2 · Oct 10, 2017 · US
US-2017283445-A1 · Oct 5, 2017 · US
US-9758474-B2 · Sep 12, 2017 · US
US-2017202795-A1 · Jul 20, 2017 · US
US-2017197925-A1 · Jul 13, 2017 · US
US-2017166576-A1 · Jun 15, 2017 · US
US-9676692-B2 · Jun 13, 2017 · US
US-2017152206-A1 · Jun 1, 2017 · US
US-2017137373-A1 · May 18, 2017 · US
US-9629945-B2 · Apr 25, 2017 · US
US-9611231-B2 · Apr 4, 2017 · US
US-9604923-B2 · Mar 28, 2017 · US
Answers are generated from the same data shown on this page.