Propene production method
US-2016368833-A1 · Dec 22, 2016 · US
of the alkali- or alkaline earth metals or beryllium
of the alkali- or alkaline earth metals or beryllium · 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 | C07C2523/02 |
| Official title | of the alkali- or alkaline earth metals or beryllium |
| Display label | of the alkali- or alkaline earth metals or beryllium |
| Total patents | 252 |
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 | 34 |
| 2016 | 29 |
| 2017 | 18 |
| 2018 | 29 |
| 2019 | 26 |
| 2020 | 40 |
| 2021 | 23 |
| 2022 | 15 |
| 2023 | 19 |
| 2024 | 11 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of preparing butadiene
US-2016347685-A1 · Dec 1, 2016 · US
Process for Obtaining Olefins by Metathesis
US-2016347687-A1 · Dec 1, 2016 · US
Composite Catalyst for the Photocatalytic Isomerisation of Norbornadiene to Prepare Quadricyclane and Process for Making the Catalyst
US-2016339415-A1 · Nov 24, 2016 · US
Continuous Preparation Method of High-Purity Quadricyclane
US-2016340273-A1 · Nov 24, 2016 · US
Preparation of butadiene by oxidative dehydrogenation of n-butene after preceding isomerization
US-2016318829-A1 · Nov 3, 2016 · US
Catalytic composition and process using it for the alkylation of aromatic hydrocarbons with alcohols, or mixtures of alcohols and olefins
US-2016297728-A1 · Oct 13, 2016 · US
Method for manufacture of an alkane dehydrogenation catalyst
US-9452421-B2 · Sep 27, 2016 · US
Conversion of 2,3-butanediol to butadiene
US-9434659-B2 · Sep 6, 2016 · US
Propylene via metathesis with low or no ethylene
US-9422209-B2 · Aug 23, 2016 · US
Method for converting methane to ethylene
US-2016237003-A1 · Aug 18, 2016 · US
Catalyst and Process for Olefin Metathesis Reaction
US-2016237006-A1 · Aug 18, 2016 · US
Dehydrogenation catalyst, its use and method of preparation
US-9415378-B2 · Aug 16, 2016 · US
Use of certain organic materials, containing alkali or alkaline-earth metals, for implementing organic chemical reactions
US-2016228859-A1 · Aug 11, 2016 · US
Metal catalyst composition
US-9403150-B2 · Aug 2, 2016 · US
Reactors and processes for the oxidative coupling of hydrocarbons
US-9371257-B2 · Jun 21, 2016 · US
Method of preparing an alumina catalyst support and catalyst for dehydrogenation reactions, and its use
US-9364815-B2 · Jun 14, 2016 · US
Catalysts for petrochemical catalysis
US-2016122261-A1 · May 5, 2016 · US
Catalysts for petrochemical catalysis
US-2016107143-A1 · Apr 21, 2016 · US
Aromatics isomerization using a dual-catalyst system
US-9309170-B2 · Apr 12, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C2523/02?
- CPC C07C2523/02 is the Cooperative Patent Classification code for “of the alkali- or alkaline earth metals or beryllium.”
- How many patents are filed under CPC C07C2523/02 (of the alkali- or alkaline earth metals or beryllium)?
- Our database includes 252 publications tagged with this CPC code.
- Is patent activity under CPC C07C2523/02 growing?
- Publication counts under this code: 11 in 2024 vs 8 in 2025 (latest complete years).