Pyrolysis of polycarbonate-containing material in order to recover raw materials
US-2024425665-A1 · Dec 26, 2024 · US
by crystallisation
by crystallisation · 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 | C07C37/84 |
| Official title | by crystallisation |
| Display label | by crystallisation |
| Total patents | 80 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 10 |
| 2020 | 12 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 11 |
| 2025 | 11 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for preparing bisphenol a (bpa) in the presence of cumene
US-2024294452-A1 · Sep 5, 2024 · US
Process for preparing bisphenol a (bpa) in the presence of benzene
US-2024109831-A1 · Apr 4, 2024 · US
Process configuration for a single phenol purification train for production of phenol and bisphenol-a in an integrated process
US-2024025830-A1 · Jan 25, 2024 · US
Phenol recovery of bisphenol-a mother liquor purge using purification train in the phenol production unit
US-2023406797-A1 · Dec 21, 2023 · US
Novel cocrystals of dexamethasone
US-2023382944-A1 · Nov 30, 2023 · US
Tapinarof polymorphs
US-2023357113-A1 · Nov 9, 2023 · US
Method for producing bisphenol a and method for producing polycarbonate resin
US-2023340196-A1 · Oct 26, 2023 · US
Pyrogallol[2]resorcin[2]arene
US-11629113-B2 · Apr 18, 2023 · US
Process for synthesis of a phenoxy diaminopyrimidine compound
US-11584724-B2 · Feb 21, 2023 · US
Methods to separate cannabinoids from impurities by crystallization
US-2022396540-A1 · Dec 15, 2022 · US
Process for preparing biphenyl-2,2'-diols
US-2022332669-A1 · Oct 20, 2022 · US
Synthesis and purification of cannabigerol and its application
US-2022296482-A1 · Sep 22, 2022 · US
Process for preparing bisphenole a (bpa) in the presence of hydroxyacetone
US-2022259124-A1 · Aug 18, 2022 · US
Continuous crystallization of cannabinoids in a tubular flow reactor
US-2022249430-A1 · Aug 11, 2022 · US
Pyrogallol[2]resorcin[2]arene
US-2022135508-A1 · May 5, 2022 · US
Process for the preparation of 3,3,4-trimethylcyclohexylidene bisphenol (BP-TMC)
US-11225451-B2 · Jan 18, 2022 · US
Process for the preparation of 3,3,4-trimethylcyclohexylidene bisphenol (bp-tmc)
US-2021371365-A1 · Dec 2, 2021 · US
Recovering and purifying resveratrol produced by microbial fermentation
US-11136283-B2 · Oct 5, 2021 · US
Novel solid presentation form of at least one phenol derivative and process for obtaining same
US-2021292262-A1 · Sep 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C37/84?
- CPC C07C37/84 is the Cooperative Patent Classification code for “by crystallisation.”
- How many patents are filed under CPC C07C37/84 (by crystallisation)?
- Our database includes 80 publications tagged with this CPC code.
- Is patent activity under CPC C07C37/84 growing?
- Publication counts under this code: 11 in 2024 vs 11 in 2025 (latest complete years).