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US Patent 12083474 Stacked membranes and their use in gas separation

Patent 12083474 was granted and assigned to SAUDI ARABIAN OIL COMPANY on September, 2024 by the United States Patent and Trademark Office.

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Patent attributes

Patent Applicant

SAUDI ARABIAN OIL COMPANY

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Current Assignee

SAUDI ARABIAN OIL COMPANY

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Seung-Hak Choi1

Yasser A. Shalabi1

Ali Hayek1

Abdulkarim Alsamah1

Date of Patent

September 10, 2024

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Patent Application Number

175515191

Date Filed

December 15, 2021

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Patent Citations

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US Patent 7758751 UV-cross-linked membranes from polymers of intrinsic microporosity for liquid separations

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US Patent 8075951 Carbon-polymer electrochemical systems and methods of fabricating them using layer-by-layer technology

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US Patent 8911540 Gas separation membrane

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Patent Primary Examiner

Anthony R Shumate

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CPC Code

1

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Patent abstract

A membrane system includes a first membrane and a second membrane. At a given temperature and pressure: the first membrane has a permeation rate for a first gas and a selectivity for a gas mixture comprising the first gas a second gas different from the first gas; the second membrane has a permeation rate for the first gas and a selectivity for the gas mixture; the permeation rate of the first membrane is greater than the permeation rate of the second membrane; and the selectivity of the second membrane is greater than the selectivity of the first membrane.

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