Patent Number: 6,309,471

Title: Rapid removal of iodine stains

Abstract: The present invention relates to an improved method of removing iodine stains comprising contacting a surface having an iodine stain with a liquid cleaning composition for a sufficient time to decolorize the stain said cleaning composition comprising about 1% to about 100% by weight of at least one compound selected from the group consisting of salicylic acid, salicylic acid derivatives and mixtures thereof, and at least one solvent. The liquid cleaning composition has an adjusted pH of about 1-14.

Inventors: Smith; Kim R. (Woodbury, MN), Hei; Robert D. P. (Baldwin, WI), Levitt; Mark (St. Paul, MN)

Assignee: Ecolab, Inc.

International Classification: C11D 3/20 (20060101); C11D 11/00 (20060101); C23G 001/02 ()

Expiration Date: 10/30/2018