Process for the preparation of a polyamide
US-9850348-B2 · Dec 26, 2017 · US
Polyamides derived from aromatically bound amino and carboxyl groups of amino-carboxylic acids or of polyamines and polycarboxylic acids · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08L77/10 |
| Official title | Polyamides derived from aromatically bound amino and carboxyl groups of amino-carboxylic acids or of polyamines and polycarboxylic acids |
| Display label | Polyamides derived from aromatically bound amino and carboxyl groups of amino-carboxylic acids or of polyamines and polycarboxylic acids |
| Total patents | 301 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 32 |
| 2016 | 21 |
| 2017 | 23 |
| 2018 | 21 |
| 2019 | 43 |
| 2020 | 34 |
| 2021 | 25 |
| 2022 | 25 |
| 2023 | 32 |
| 2024 | 23 |
| 2025 | 19 |
| 2026 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-9850348-B2 · Dec 26, 2017 · US
US-2017321054-A1 · Nov 9, 2017 · US
US-9702434-B2 · Jul 11, 2017 · US
US-9688844-B2 · Jun 27, 2017 · US
US-9663875-B2 · May 30, 2017 · US
US-9551421-B2 · Jan 24, 2017 · US
US-9546272-B2 · Jan 17, 2017 · US
US-2016376439-A1 · Dec 29, 2016 · US
US-2016362525-A1 · Dec 15, 2016 · US
US-2016326399-A1 · Nov 10, 2016 · US
US-9480154-B2 · Oct 25, 2016 · US
US-2016271919-A1 · Sep 22, 2016 · US
US-2016237227-A1 · Aug 18, 2016 · US
US-9382381-B2 · Jul 5, 2016 · US
US-9382420-B2 · Jul 5, 2016 · US
US-2016185963-A1 · Jun 30, 2016 · US
US-9359477-B2 · Jun 7, 2016 · US
US-9346952-B2 · May 24, 2016 · US
US-9334365-B2 · May 10, 2016 · US
US-2016096925-A1 · Apr 7, 2016 · US
Answers are generated from the same data shown on this page.