Monomer composition for synthesizing recycled plastic, preparation method thereof, recycled plastic, and molded product using the same
US-2023382837-A1 · Nov 30, 2023 · US
Processes comprising at least two steps in series
Processes comprising at least two steps in series · 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 | C07C37/685 |
| Official title | {Processes comprising at least two steps in series} |
| Display label | Processes comprising at least two steps in series |
| Total patents | 79 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 9 |
| 2020 | 9 |
| 2021 | 10 |
| 2022 | 10 |
| 2023 | 12 |
| 2024 | 3 |
| 2025 | 9 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Monomer composition for synthesizing recycled plastic, preparation method thereof, recycled plastic, and molded product using the same
US-2023383089-A1 · Nov 30, 2023 · US
Bisphenol production method , recycled polycarbonate resin production method, carbon dioxide production method, carbonic acid diester production method, epoxy resin production method, and epoxy resin cured product production method
US-2023322653-A1 · Oct 12, 2023 · US
High purity 4-hydroxystyrene solution, method of producing the same, and method of producing 4-hydroxystyrene polymer
US-2023242467-A1 · Aug 3, 2023 · US
Processes for purification, recovery, and conversion of chlorophenol salts and preparation and recovery of products prepared therefrom
US-2023202961-A1 · Jun 29, 2023 · US
Bisphenol composition and method for producing same, and polycarbonate resin and method for producing same
US-11634373-B2 · Apr 25, 2023 · US
Processes for purification, recovery, and conversion of chlorophenol salts and preparation and recovery of products prepared therefrom
US-11629114-B2 · Apr 18, 2023 · US
Methods to separate cannabinoids from impurities by crystallization
US-2022396540-A1 · Dec 15, 2022 · US
Method for preparation of 2,5-dimethylphenol by selective catalytic conversion of lignin
US-11524928-B2 · Dec 13, 2022 · US
Method for preparation of 2,5-dimethylphenol by selective catalytic conversion of lignin
US-2022298092-A1 · Sep 22, 2022 · US
Bisphenol composition containing aromatic alcohol sulfonate and method for producing same, polycarbonate resin and method for producing same, and bisphenol production method
US-11427523-B2 · Aug 30, 2022 · US
Method for enantiomeric enrichment
US-11420909-B2 · Aug 23, 2022 · US
Method of decomposing phenolic by-products
US-2022259125-A1 · Aug 18, 2022 · US
Method of decomposing phenolic by-product
US-2022251012-A1 · Aug 11, 2022 · US
Bisphenol composition and polycarbonate resin
US-2022098135-A1 · Mar 31, 2022 · US
Cumene-phenol complex with thermal oxidation system
US-2022041534-A1 · Feb 10, 2022 · US
Process for the preparation of 3,3,4-trimethylcyclohexylidene bisphenol (BP-TMC)
US-11225451-B2 · Jan 18, 2022 · US
Bisphenol composition and polycarbonate resin
US-2021403641-A1 · Dec 30, 2021 · US
Process for the preparation of 3,3,4-trimethylcyclohexylidene bisphenol (bp-tmc)
US-2021371365-A1 · Dec 2, 2021 · US
Method for enantiomeric enrichment
US-2021309585-A1 · Oct 7, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C37/685?
- CPC C07C37/685 is the Cooperative Patent Classification code for “Processes comprising at least two steps in series.”
- How many patents are filed under CPC C07C37/685 (Processes comprising at least two steps in series)?
- Our database includes 79 publications tagged with this CPC code.
- Is patent activity under CPC C07C37/685 growing?
- Publication counts under this code: 3 in 2024 vs 9 in 2025 (latest complete years).