公开(公告)号：US3554780A

公开(公告)日：1971-01-12

申请号：US3554780D

申请日：1967-08-28

Applicant: ROHM & HAAS

Inventor： MILLER VERNON F ,  GEHMAN DAVID R

IPC: C23C18/16 ,  C25D5/02 ,  H05K3/18 ,  B44D1/52

CPC classification number: C25D5/022 ,  C23C18/1605 ,  H05K3/184 ,  H05K2203/0565 ,  H05K2203/0769 ,  H05K2203/0786 ,  H05K2203/0789

Abstract: THIS INVENTION RELATES TO AN IMPROVEMENT IN T HE METALLIZING OF VARIOUS SURFACES WHEREIN AN ACID RESISTANT BUT ALKALINE REMOVABLE STOP-OFF COATING IS APPLIED TO SELECTED PORTIONS OF THE SURFACE OF AN ARTICLE TO BE PLATED FOR THE PURPOSE OF MASKING PARTICULAR AREAS WHICH ARE TO REMAIN UNPLATED DURING THE PLATING PROCESS. THE STOP-OFF COATING COMPOSITIONS ARE AQUEOUS DISPERSIONS OF VINYL EMULSION COPOLYMERS C ONTAINING AT LEAST ONE CARBXYLIC ACID. THE PROCESS OF THIS INVENTION IS PARTICULARLY APPLICABLE TO A SURFACE FORMED FROM A PLASTIC OR SYNTHETIC POLYMETRIC MATERIAL.

公开(公告)号：US3505098A

公开(公告)日：1970-04-07

申请号：US3505098D

申请日：1966-10-24

Applicant: ROHM & HAAS

Inventor： MILLER VERNON F ,  FELLMANN ROBERT P

IPC: C23C18/20 ,  C25D5/02 ,  H05K3/18 ,  B44D1/14 ,  B32B27/08 ,  B44D1/36

CPC classification number: H05K3/182 ,  C23C18/2086 ,  C23C18/30 ,  C25D5/02