IP Library Granted Patent US 10,421,846
Granted Patent B2
US 10,421,846 · App. 15/777,935 · Granted Sep 24, 2019

Azeotrope-like composition comprising Z-1,1,1,4,4,4-hexafluoro-2-butene

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 10,421,846
App. No.
15/777,935
Granted
Sep 24, 2019
Kind
B2
Abstract

The present invention aims to solve the above mentioned problems by providing a new azeotrope-like composition that can be used for a wide range of industrial purposes. The provision of an azeotrope-like composition including 93.0-99.0 weight percent Z-1,1,1,4,4,4-hexafluoro-2-buteine and 0.1-7 weight percent isopropanol.

Claims (5)

1. An azeotrope-like composition, comprising 93.0-99.9 mass % Z-1,1,1,4,4,4-hexafluoro-2-buteine and 0.1-7 mass % isopropanol.

2. A solid-surface cleaning agent, comprising the azeotrope-like composition according to claim 1 .

3. The cleaning agent according to claim 2 , wherein the solid-surface is a semiconductor surface.

4. A coolant, comprising the azeotrope-like composition according to claim 1 .

5. A foaming agent, comprising the azeotrope-like composition according to claim 1 .

Assignments (2)
CHANGE OF NAME Recorded Mar 31, 2022
From: DUPONT-MITSUI FLUOROCHEMICALS CO., LTD
To: CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD.
Reel/Frame 059458/0922 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 22, 2018
From: KIKUCHI, HIDEAKI; MATSUMOTO, TAKANORI
To: DUPONT-MITSUI FLUOROCHEMICALS CO. LTD
Reel/Frame 046204/0215 →