IP Library › Granted Patent US 12,318,646
Granted Patent B1
US 12,318,646 · App. 18/764,482 · Granted Jun 3, 2025

Fire extinguishing agent composition and fire extinguisher for electric vehicles containing the same

Inventors: Jae Yun Rho (Gyeonggi-do, KR); Jeong Wook Lee (Gyeonggi-do, KR)
Assignee: ZF Solution Co. Ltd.
A62D1/0035A62C3/00A62C3/07A62C3/16A62D1/0042
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Quick Facts
Patent No.
US 12,318,646
App. No.
18/764,482
Granted
Jun 3, 2025
Kind
B1
Abstract

A fire extinguishing agent composition includes an amphiphilic solvent and water. The composition is capable of effectively extinguishing a fire in an electric vehicle by reducing the vapor pressure of a volatile organic solvent by including an amphiphilic solvent and water. For example, the amphiphilic solvent may be ethyl 3-hydroxypropanoate.

Claims (5)

1. A method of fire suppression, the method comprising:

applying a fire extinguishing agent composition comprising an amphiphilic solvent and water to a fire; wherein the amphiphilic solvent is ethyl 3-hydroxypropanoate.

2. The method of claim 1 , wherein the amphiphilic solvent further comprises butyl 3-hydroxypropanoate or glycerol carbonate.

3. The method of claim 1 , wherein the amphiphilic solvent is present in an amount of 20 to 95% by volume, and the water is present in an amount of 5 to 80% by volume.

4. The method of claim 1 , wherein the fire is an electric vehicle fire.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 5, 2024
From: RHO, JAE YUN; LEE, JEONG WOOK
To: ZF SOLUTION CO. LTD.
Reel/Frame 067915/0640 →
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