Synthesis of Sulfonamide Intermediates
US-2023357137-A1 · Nov 9, 2023 · US
by introduction of halogen; by substitution of halogen atoms by other halogen atoms · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C29/62 |
| Official title | by introduction of halogen; by substitution of halogen atoms by other halogen atoms |
| Display label | by introduction of halogen; by substitution of halogen atoms by other halogen atoms |
| Total patents | 76 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 7 |
| 2017 | 10 |
| 2018 | 3 |
| 2019 | 6 |
| 2020 | 12 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 7 |
| 2025 | 9 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2023357137-A1 · Nov 9, 2023 · US
US-2023102685-A1 · Mar 30, 2023 · US
US-2023053833-A1 · Feb 23, 2023 · US
US-11512071-B2 · Nov 29, 2022 · US
US-2022259136-A1 · Aug 18, 2022 · US
US-11358921-B2 · Jun 14, 2022 · US
US-11352312-B2 · Jun 7, 2022 · US
US-2022153668-A1 · May 19, 2022 · US
US-2022064098-A1 · Mar 3, 2022 · US
US-2021388169-A1 · Dec 16, 2021 · US
US-2021206740-A1 · Jul 8, 2021 · US
US-10968154-B2 · Apr 6, 2021 · US
US-2021017115-A1 · Jan 21, 2021 · US
US-10858306-B2 · Dec 8, 2020 · US
US-2020255357-A1 · Aug 13, 2020 · US
US-2020247736-A1 · Aug 6, 2020 · US
US-2020239404-A1 · Jul 30, 2020 · US
US-10703708-B2 · Jul 7, 2020 · US
US-10702858-B2 · Jul 7, 2020 · US
US-2020148668-A1 · May 14, 2020 · US
Answers are generated from the same data shown on this page.