The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 05, 1984
Filed:
Jan. 15, 1982
Applicant:
Inventors:
Katsuo Take, Otsu, JP;
Tsutomu Tamura, Otsu, JP;
Assignee:
Toyo Boseki Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428331 ; 428458 ; 4284744 ; 524456 ;
Abstract
In electroplating of a shaped product of a composition comprising a polyamide, the incorporation of powdery wollastonite as a filler in a content of 30 to 60% by weight based on the composition is effective in forming a plated film on the shaped product, the plated film having an excellent appearance and a high adhesive strength. Prior to said electroplating, the use of a 4 to 15% by weight aqueous solution of hydrochloric acid or sulfuric acid for etcing can enhance the adhesive strength markedly.