Patent ID: 6312812
Filing Date: 2001-11-06
Classification: B05D,B23K,C08G,C09D,C23C,C25D,Y10T

Abstract:
A coated metal substrate comprising:(a) a metal substrate;(b) a first pretreatment composition deposited upon at least a portion of the substrate, the first pretreatment composition comprising a transition element-containing material which comprises a transition element selected from the group consisting of Group IIIB elements, Group IVB elements, lanthanide series elements and mixtures thereof; and(c) a second pretreatment composition comprising a reaction product of at least one epoxy-functional material or derivative thereof and at least one material selected from the group consisting of phosphorus-containing materials, amine-containing materials, sulfur-containing materials and mixtures thereof deposited upon at least a portion of the first pretreatment composition.