Patent ID: 6010391
Filing Date: 2000-01-04
Classification: A61F,B08B,B24B,C09G,G02C

Abstract:
A method of polishing an article comprising a soft acrylic material, wherein the method comprisesa) polishing the article by charging a receptacle with a polishing slurry and the article to be polished, and agitating the receptacle at a temperature no higher than about 0.degree. C. for a period of time and at a speed sufficient to remove surface irregularities from the article, wherein the polishing slurry comprises polishing beads, sodium bicarbonate, and a swelling agent; andb) cleaning the article by charging a receptacle with a cleaning slurry and the article to be cleaned, and agitating the receptacle for a period of time and at a speed sufficient to clean the surface of the article, wherein the cleaning slurry comprises cleaning beads, sodium hydroxide, and water.