Process for cleaning soiled solid molded articles

Details Process for cleaning soiled solid molded articles Process for cleaning soiled solid molded articles

1987-04-03

1989-09-05

Garvin, Patrick P.

Cleaning and liquid contact with solids

Processes

Including application of electrical radiant or wave energy...

134 7, 134 10, 134 13, B08B 312

Patent

active

048635235

ABSTRACT:
A process for cleaning a soiled solid molded article in an aqueous detergent wash bath in the presence of ultrasound whereby pigmented and/or fatty soils are loosened from the soiled article. The wash bath is contacted with a soil-collecting polyfunctional quaternary ammonium compound which is at least substantially insoluble and/or is fixed to a solid which is substantially insoluble in the wash bath to collect from the wash bath at least a portion of the soils loosened from the article.

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