Patent References 3562118 3563784 3871929 Cohesive coating compositions Electroplatable polypropylene compositions Polymeric alloy composition Patent #: 4098734 InventorsAssigneeApplicationNo. 06/117438 filed on 02/01/1980US Classes:524/32, Solid polymer derived from ethylenic reactants only216/58, GAS PHASE ETCHING OF SUBSTRATE252/79.1, ETCHING OR BRIGHTENING COMPOSITIONS524/392, Organic chalcogen other than oxygen as DNRM524/515, Two or more solid polymers derived from ethylenic reactants only524/518, Solid polymer derived from fused or bridged ring monomer524/52, Solid polymer derived from ethylenic reactants only524/521, Solid polymer derived from a monomer containing an atom other than C, O, H, or chlorine524/525, Solid polymer derived from monomer containing two or more ethylenic groups524/526, Two or more polymers derived from reactant containing two or more ethylenic groups524/528Solid polymer derived from acyclic hydrocarbonExaminersPrimary: Briggs, Sr., Wilbert J.International ClassesC25D 5/54 (20060101)C25D 5/56 (20060101) H05K 3/18 (20060101) H05K 3/38 (20060101) Foreign Application Priority Data1979-02-08 JPAbstractThis invention relates to a resin composition characterized in that a conventional chemical etching treatment is removed and instead of it a surface of the resin composition is plated with a metallic layer having a strong adhesive force, by means of a surface treatment by only a dry etching. Accordingly, the surface thereof can be directly treated with electroplating. Further, the use of chromic acid as a source of environmental pollution or other conventional addition agents for the surface treatment is completely eliminated. | |