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United States

US 12,702,948 B2

Method for the separation of phosphorus pentafluoride from hydrogen chloride

US 12,702,948 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-11. Applicant: MEXICHEM FLUOR S.A. DE C.V. Its PDF downloads from this page without an account, up to 5 a day.

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Applicant
MEXICHEM FLUOR S.A. DE C.V.
Inventors
Robert E. LOW; Andrew P. SHARRATT
Publication date
2026-08-11
Filing date
2024-01-18
Document type
B2 Granted patent
Also written as
US 12,702,948 B2 · US12702948 · 12702948

Abstract

The present invention relates to a process of separating a feed stream comprising HCl and PF5 into a plurality of streams, wherein a first stream is enriched in PF5 and a second stream is enriched in HCl, the process comprising the feed stream entering one or more permeable membrane separation modules, wherein the membrane separation module comprises a permeable membrane which is selectively permeable to one of HCl or PF5.

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Patent office website: United States Patent and Trademark Office (USPTO)

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