Separation methods and systems for oxidative coupling of methane
US-2020048165-A1 · Feb 13, 2020 · US
by dehydrogenation with formation of free hydrogen
by dehydrogenation with formation of free hydrogen · 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 | C07C5/32 |
| Official title | by dehydrogenation with formation of free hydrogen |
| Display label | by dehydrogenation with formation of free hydrogen |
| Total patents | 109 |
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 | 7 |
| 2016 | 8 |
| 2017 | 12 |
| 2018 | 12 |
| 2019 | 19 |
| 2020 | 16 |
| 2021 | 13 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods of Preparing an Aromatization Catalyst
US-2020010384-A1 · Jan 9, 2020 · US
Process for the conversion of methane into propanal
US-10519087-B2 · Dec 31, 2019 · US
Olefin production method comprising reduction pretreatment
US-2019388884-A1 · Dec 26, 2019 · US
Methods of preparing an aromatization catalyst
US-10487025-B2 · Nov 26, 2019 · US
Catalytic activation of isopentane-enriched mixtures
US-2019300454-A1 · Oct 3, 2019 · US
Catalytic activation and alkylation of isopentane-enriched mixtures
US-2019300804-A1 · Oct 3, 2019 · US
Catalytic activation and oligomerization of isopentane-enriched mixtures
US-2019300455-A1 · Oct 3, 2019 · US
Process for the conversion of methane into propanal
US-2019292122-A1 · Sep 26, 2019 · US
Propane dehydrogenation sulfur management
US-10392319-B2 · Aug 27, 2019 · US
Integration of a dehydrogenation unit and an alkylation unit
US-2019241487-A1 · Aug 8, 2019 · US
Methods for producing alkylbenzenes, paraffins, olefins and oxo alcohols from waste plastic feedstocks
US-2019241838-A1 · Aug 8, 2019 · US
Method for in situ high activity odh catalyst
US-2019240647-A1 · Aug 8, 2019 · US
Systems and methods related to the production of polyethylene
US-10308733-B2 · Jun 4, 2019 · US
Methods for producing alkylbenzenes, paraffins, olefins and oxo alcohols from waste plastic feedstocks
US-10308896-B2 · Jun 4, 2019 · US
Integration of a dehydrogenation unit and an alkylation unit
US-10294173-B2 · May 21, 2019 · US
Reactor effluent wash to remove aromatics
US-10272359-B2 · Apr 30, 2019 · US
Catalyst and process for selective production of lower hydrocarbons C1—C5 from syngas with low methane and CO2 production
US-10239800-B2 · Mar 26, 2019 · US
Dehydrogenation of LPG or NGL and flexible utilization of the olefins thus obtained
US-10227279-B2 · Mar 12, 2019 · US
Catalyst regeneration
US-2019046968-A1 · Feb 14, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C5/32?
- CPC C07C5/32 is the Cooperative Patent Classification code for “by dehydrogenation with formation of free hydrogen.”
- How many patents are filed under CPC C07C5/32 (by dehydrogenation with formation of free hydrogen)?
- Our database includes 109 publications tagged with this CPC code.
- Is patent activity under CPC C07C5/32 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).