Invention Grant
- Patent Title: Method of using nanofiltration and reverse osmosis to remove chemical contaminants
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Application No.: US17184636Application Date: 2021-02-25
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Publication No.: US11548794B2Publication Date: 2023-01-10
- Inventor: Justin Thomas Lydon Hedin , Fabrizio Meli , Karunakaran Narasimhan
- Applicant: The Procter & Gamble Company
- Applicant Address: US OH Cincinnati
- Assignee: The Procter & Gamble Company
- Current Assignee: The Procter & Gamble Company
- Current Assignee Address: US OH Cincinnati
- Main IPC: B01D61/02
- IPC: B01D61/02 ; C02F1/00 ; C02F103/34 ; C02F1/28 ; C02F1/32 ; C02F1/72 ; C02F1/78 ; C02F101/34

Abstract:
A method of removing chemical contaminants from a composition comprising an active, a solvent, and a contaminant can include providing an initial feed supply, wherein the initial feed supply comprises the active, the solvent, and the contaminant, wherein the contaminant can include 1,4 dioxane, dimethyl dioxane, or a combination thereof; including filtering the initial feed stock through a nanofilter and using reverse osmosis.
Public/Granted literature
- US20210268439A1 METHOD OF USING NANOFILTRATION AND REVERSE OSMOSIS TO REMOVE CHEMICAL CONTAMINANTS Public/Granted day:2021-09-02
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