Patent ID: 8951358
Filing Date: 2015-02-10
Classification: B08B,C11D,C23G

Abstract:
1. A method of cleaning aircraft-metal parts contaminated with cutting oil comprising the steps of: a. providing a solvent composition comprising at least about 50% by weight of 1-chloro-3,3,3,-trifluoropropene (HFCO-1233zd); and b. cleaning the aircraft-metal part contaminated with said cutting oil by contacting the metal part with said solvent composition, said metal part comprising a metal or a metal alloy selected from the group consisting of aluminum and aluminum alloys, titanium and titanium alloys; zinc and zinc alloys; tungsten and tungsten alloys; copper and copper alloys; Inconel-Ni alloys; silver and silver alloys; cadmium and cadmium alloys; stainless steels; gold and gold alloys, and silver and silver alloys, wherein said metal part is substantially free of said cutting oil after said cleaning step.