Haloalkane sulfonic acids, compositions thereof, and related methods
US-2025042845-A1 · Feb 6, 2025 · US
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the non-hydrocarbon contains sulfur as hetero-atom
the non-hydrocarbon contains sulfur as hetero-atom · 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 | C07C2/868 |
| Official title | {the non-hydrocarbon contains sulfur as hetero-atom} |
| Display label | the non-hydrocarbon contains sulfur as hetero-atom |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 1 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Haloalkane sulfonic acids, compositions thereof, and related methods
US-12157719-B2 · Dec 3, 2024 · US
Alkane multi-sulfonic acids, compositions thereof, and related methods
US-2023322662-A1 · Oct 12, 2023 · US
Haloalkane sulfonic acids, compositions thereof, and related methods
US-2023322663-A1 · Oct 12, 2023 · US
Low system memory detection
US-11604680-B2 · Mar 14, 2023 · US
Spiroketal-based C2-symmetric scaffold for asymmetric catalysis
US-10565015-B2 · Feb 18, 2020 · US
Low system memory detection
US-2019087230-A1 · Mar 21, 2019 · US
Spiroketal-Based C2-Symmetric Scaffold For Asymmetric Catalysis
US-2019084995-A1 · Mar 21, 2019 · US
Method for coupling a first compound to a second compound
US-10125082-B2 · Nov 13, 2018 · US
Synthesis of phenylethynylbenzenes
US-9981887-B1 · May 29, 2018 · US
Method for coupling a first compound to a second compound
US-2017240499-A1 · Aug 24, 2017 · US
Spiro-1,1'-bindane-7,7-bisphosphine oxides as highly active supporting ligands for paladium-catalyzed asymmetric heck reaction
US-2016136629-A1 · May 19, 2016 · US
Synthesis of alkyl cyclopentadiene compounds
US-8975427-B2 · Mar 10, 2015 · US