Preparation and purification of cis-2-alkenoic acids
US-2025346551-A1 · Nov 13, 2025 · US
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containing halogen
containing halogen · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C49/16 |
| Official title | containing halogen |
| Display label | containing halogen |
| Total patents | 21 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 6 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 2 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composition for removing edge bead from metal containing resists, developer composition of metal containing resists, and method of forming patterns using the composition
US-2025123568-A1 · Apr 17, 2025 · US
Carbon monoxide prodrugs for the treatment of medical disorders
US-2024391886-A1 · Nov 28, 2024 · US
Peptide crosslinking agent and crosslinked peptide which is crosslinked using said crosslinking agent
US-2024391950-A1 · Nov 28, 2024 · US
Carbon monoxide prodrugs for the treatment of medical disorders
US-12071415-B2 · Aug 27, 2024 · US
Azeotrope or azeotrope-like compositions of trifluoroiodomethane (CF3I) and trifluoroacetyl chloride (CF3COCI)
US-11555136-B2 · Jan 17, 2023 · US
Azeotrope or azeotrope-like compositions of trifluoroiodomethane (CF3I) and trifluoroacetyl chloride (CF3COCI)
US-11208582-B2 · Dec 28, 2021 · US
Carbon monoxide prodrugs for the treatment of medical disorders
US-2021238155-A1 · Aug 5, 2021 · US
Process and intermediate for the manufacture of difluoroacetyl chloride
US-2020407304-A1 · Dec 31, 2020 · US
Azeotrope or azeotrope-like compositions of trifluoroiodomethane (cf3i) and trifluoroacetyl chloride (cf3coci)
US-2020369933-A1 · Nov 26, 2020 · US
Practical method for manufacturing 3,3-difluoro-2-hydroxypropionic acid
US-10273200-B2 · Apr 30, 2019 · US
Process for extracting phosgene
US-9751768-B2 · Sep 5, 2017 · US
Production method for hexachloroacetone
US-9745241-B2 · Aug 29, 2017 · US
Method for producing halogenketones
US-9630898-B2 · Apr 25, 2017 · US
Production method for carbonate compound and methacrylate or ester thereof
US-9617379-B2 · Apr 11, 2017 · US
Process for preparing C3-6(hydro)fluoroalkenes by dehydrohalogenating C3-6 halo(hydro)fluoroalkanes in the presence of a zinc/chromia catalyst
US-9567275-B2 · Feb 14, 2017 · US
Process for Extracting Phosgene
US-2017008771-A1 · Jan 12, 2017 · US
Production method for carbonate compound and methacrylate or ester thereof
US-2016347905-A1 · Dec 1, 2016 · US
Method for producing halogenketones
US-2016272563-A1 · Sep 22, 2016 · US
Process for the preparation of bis-dihaloalkyl pyrazoles
US-2015376135-A1 · Dec 31, 2015 · US