11.14.05
Detergent Additive Patented
By Phillips Petroleum
l Patent No. US 6,620,776 B2: Phillips Petroleum Co., Bartlesville, OK, pat-ented a composition comprising an alkyl group with one to 20 carbon atoms, and a phenyl substituted with both a hydroxy and a methyl, as well as an alkyl group with one to 20 carbon atoms, and a phenyl substituted with both a hydroxy and a methyl.
By Phillips Petroleum
l Patent No. US 6,620,776 B2: Phillips Petroleum Co., Bartlesville, OK, pat-ented a composition comprising an alkyl group with one to 20 carbon atoms, and a phenyl substituted with both a hydroxy and a methyl, as well as an alkyl group with one to 20 carbon atoms, and a phenyl substituted with both a hydroxy and a methyl.