Propylene oligomerization processes with enhanced olefinic yields
US-12435014-B1 · Oct 7, 2025 · US
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by addition of unsaturated hydrocarbons to saturated hydrocarbons or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring
by addition of unsaturated hydrocarbons to saturated hydrocarbons or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring · 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 | C07C2/54 |
| Official title | by addition of unsaturated hydrocarbons to saturated hydrocarbons or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring |
| Display label | by addition of unsaturated hydrocarbons to saturated hydrocarbons or to hydrocarbons containing a six-membered aromatic ring with no unsaturation outside the aromatic ring |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods and systems for alkylate production involving a multi-zone alkylation reactor
US-11958046-B1 · Apr 16, 2024 · US
Circular economy for plastic waste to polyethylene via refinery FCC and alkylation units
US-11905466-B2 · Feb 20, 2024 · US
Circular economy for plastic waste to polyethylene via refinery fcc and alkylation units
US-2023079004-A1 · Mar 16, 2023 · US
Circular economy for plastic waste to polyethylene via refinery FCC and alkylation units
US-11518944-B2 · Dec 6, 2022 · US
Molecular sieve, its preparation and application thereof
US-11091372-B2 · Aug 17, 2021 · US
Circular economy for plastic waste to polyethylene via refinery fcc and alkylation units
US-2021189251-A1 · Jun 24, 2021 · US
Molecular sieve, its preparation and application thereof
US-2020339433-A1 · Oct 29, 2020 · US
Catalytic activation and alkylation of isopentane-enriched mixtures
US-10815438-B2 · Oct 27, 2020 · US
Catalytic activation of isopentane-enriched mixtures
US-10774017-B2 · Sep 15, 2020 · US
Catalytic activation and oligomerization of isopentane-enriched mixtures
US-10745328-B2 · Aug 18, 2020 · US
Molecular sieve, its preparation and application thereof
US-10737945-B2 · Aug 11, 2020 · 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
Molecular sieve, its preparation and application thereof
US-2019144289-A1 · May 16, 2019 · US
Alkylation process unit with recyle of hydrogen and recovery of hydrogen chloride
US-9302200-B2 · Apr 5, 2016 · US
Alkylation process with recycle of hydrogen and recovery of hydrogen chloride
US-9302199-B2 · Apr 5, 2016 · US
Synthesis of alkyl cyclopentadiene compounds
US-8975427-B2 · Mar 10, 2015 · US