Sterically hindered hydroquinones as antifoulants for unsaturated monomers
US-10155705-B2 · Dec 18, 2018 · US
using short-stopping agents
using short-stopping agents · 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 | C08F2/42 |
| Official title | using short-stopping agents |
| Display label | using short-stopping agents |
| Total patents | 133 |
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 | 15 |
| 2016 | 20 |
| 2017 | 9 |
| 2018 | 20 |
| 2019 | 22 |
| 2020 | 14 |
| 2021 | 17 |
| 2022 | 3 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aromatic hydrogenation catalysts and uses thereof
US-2018318790-A1 · Nov 8, 2018 · US
Polymerization inhibiting system and polymerization inhibiting method
US-2018297916-A1 · Oct 18, 2018 · US
Polymerization inhibitor compositions
US-2018258014-A1 · Sep 13, 2018 · US
Continuous method for manufacturing a polyester from cyclic ester monomer
US-10066054-B2 · Sep 4, 2018 · US
Method for stabilizing a condensed phase composition including a cyclic ester in a process of manufacturing a polyester or of lactide
US-10059799-B2 · Aug 28, 2018 · US
Mitigation of catalyst inhibition in olefin polymerization
US-10047178-B2 · Aug 14, 2018 · US
Aromatic hydrogenation catalysts and uses thereof
US-10047304-B2 · Aug 14, 2018 · US
Coating methods using organosilica materials and uses thereof
US-10022701-B2 · Jul 17, 2018 · US
Organosilica materials and uses thereof
US-10022700-B2 · Jul 17, 2018 · US
Process for transitioning between incompatible catalysts
US-2018186906-A1 · Jul 5, 2018 · US
Methods of separating aromatic compounds from lube base stocks
US-9956541-B2 · May 1, 2018 · US
Process for transitioning between incompatible catalysts
US-9944727-B2 · Apr 17, 2018 · US
Hydrocarbon polymers comprising two exo-vinylene cyclic carbonate terminal groups
US-2018072842-A1 · Mar 15, 2018 · US
Star-shaped vinyl ether polymer
US-9908960-B2 · Mar 6, 2018 · US
Process for preparing a polymerization inhibitor solution
US-2018057740-A1 · Mar 1, 2018 · US
Process for transitioning between incompatible catalysts
US-2017342174-A1 · Nov 30, 2017 · US
Olefin polymerization catalyst system comprising mesoporous organosilica support
US-2017320971-A1 · Nov 9, 2017 · US
Olefin polymerization catalyst system comprising mesoporous organosilica support
US-2017320977-A1 · Nov 9, 2017 · US
Additives and methods for terminating polymerization and/or reducing viscosity of polymer solution
US-9783654-B2 · Oct 10, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F2/42?
- CPC C08F2/42 is the Cooperative Patent Classification code for “using short-stopping agents.”
- How many patents are filed under CPC C08F2/42 (using short-stopping agents)?
- Our database includes 133 publications tagged with this CPC code.
- Is patent activity under CPC C08F2/42 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).