N-propyl bromide based cleaning solvent and ionic residue remova

Cleaning and liquid contact with solids – Processes – Including work heating or contact with combustion products

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134 4, 134 2214, 134 2219, 134 251, 134 40, 510177, 510178, 510408, 510409, 510411, B08B 304

Patent

active

057922772

ABSTRACT:
Stabilized, n-propyl bromide containing cleaning solvent compositions and a cleaning process are provided. The cleaning solvent compositions include an alcohol selected from 1-propanol and 2-butanol, including mixtures thereof, as a co-solvent so as to form azeotropic or azeotropic-like mixtures which have no fire or flash points.

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