IP Library › Granted Patent US 8,999,909
Granted Patent B2
US 8,999,909 · App. 13/402,983 · Granted Apr 7, 2015

Azeotropic compositions of 1,1,1,3,3-pentachloropropane and hydrogen fluoride

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Quick Facts
Patent No.
US 8,999,909
App. No.
13/402,983
Granted
Apr 7, 2015
Kind
B2
Abstract

Provided are azeotropic or azeotrope-like mixtures of 1,1,1,3,3-pentachloro-propane (240fa) and hydrogen fluoride. Such compositions are useful as an intermediate in the production of HFC-245fa and HCFO-1233zd.

Claims (1)

1. An azeotropic or azeotrope-like liquid composition which consists of from about 90 to about 97 weight percent hydrogen fluoride and from about 10 to about 3 weight percent 1,1,1,3,3-pentachloropropane (240fa), which composition has a boiling point of about 24° C. to about 60° C. at pressure of about 17.8 psia to pressure of about 55.4 psia.

Assignments (2)
SECURITY INTEREST Recorded Jan 12, 2026
From: SOLSTICE ADVANCED MATERIALS US, INC.
To: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 074569/0260 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 23, 2012
From: MERKEL, DANIEL C.; TUNG, HSUEH SUNG; POKROVSKI, KONSTANTIN A.; PHAM, HANG T.; HULSE, RYAN
To: HONEYWELL INTERNATIONAL INC.
Reel/Frame 027748/0938 →