Patent ID: 9725570
Date: 2017-08-08
CPC Classifications: C08J,C09K,C11D,C23G

Claim:
1. A method of cleaning a soil from a substrate comprising: (a) providing a solvent composition comprising binary azeotrope-like mixture consisting essentially of from 97.6 wt % to 98.8 wt % trans-1-chloro-3,3,3-trifluoropropene and from 1.2 wt % to 2.4 wt % methanol wherein said azeotrope-like composition includes with said range of said trans-1-chloro-3,3,3-trifluoropropene and said methanol a minimum boiling azeotrope; and (b) removing at least a portion of said soil from said substrate by dissolving said at least said portion in said solvent composition.