Patent ID: 11959831
Assignee: AUTOMOTIVE TEST SOLUTIONS, INC.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A composition of matter for identifying the location of a leak site in a sealed system defined by one or more external surfaces by detecting CO2 gas escaping from such leak site, the CO2 pressurized to a pressure in excess of the pressure surrounding the sealed system, the composition of matter having the following properties: it foams or is in the form of a foam when applied to the one or more external surfaces (herein “foam”); adheres to the one or more external surfaces; and includes water and an indicator which, in the presence of pressurized CO2 escaping from the leak site and reacting with the water, visually changes the color of the foam over the leak site to identify the location of the leak site.