Method for preparing crosslinker compound
US-11987550-B2 · May 21, 2024 · US
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Butynediols
Butynediols · 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 | C07C33/046 |
| Official title | Butynediols |
| Display label | Butynediols |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for Preparing Crosslinker Compound
US-2021024451-A1 · Jan 28, 2021 · US
Hydrogenation and ethynylation catalysts
US-10744490-B2 · Aug 18, 2020 · US
Spray-dried butynediol catalysts
US-10537886-B2 · Jan 21, 2020 · US
Organic compounds and their use as fragrance ingredients
US-10450532-B2 · Oct 22, 2019 · US
Hydrogenation and ethynylation catalysts
US-10399062-B2 · Sep 3, 2019 · US
Methods of producing dicarbonyl compounds
US-10131610-B2 · Nov 20, 2018 · US
Process and systems for obtaining 1,4-butanediol from fermentation broths
US-2018237367-A1 · Aug 23, 2018 · US
Spray-dried butynediol catalysts
US-2018236439-A1 · Aug 23, 2018 · US
Process and systems for obtaining 1,4-butanediol from fermentation broths
US-9873652-B2 · Jan 23, 2018 · US
Improvements in or relating to organic compounds and their use as fragrance ingredients
US-2017327769-A1 · Nov 16, 2017 · US
Ethynylation catalyst and method of making same
US-9308522-B2 · Apr 12, 2016 · US
Process and systems for obtaining 1,4-butanediol from fermentation broths
US-2016031778-A1 · Feb 4, 2016 · US
Production of butanediol from a methane conversion process
US-9205398-B2 · Dec 8, 2015 · US
Ethynylation catalyst and method of making same
US-9006129-B2 · Apr 14, 2015 · US